{"id":3121,"date":"2025-09-02T05:36:23","date_gmt":"2025-09-02T05:36:23","guid":{"rendered":"https:\/\/www.ketetransformer.com\/?post_type=product&#038;p=3121"},"modified":"2025-09-16T06:36:05","modified_gmt":"2025-09-16T06:36:05","slug":"customizable-10kv-sh15-sh21-sh25-oil-immersed-amorphous-alloy-core-distribution-transformer","status":"publish","type":"product","link":"https:\/\/www.ketetransformer.com\/es\/products\/customizable-10kv-sh15-sh21-sh25-oil-immersed-amorphous-alloy-core-distribution-transformer\/","title":{"rendered":"Transformador de distribuci\u00f3n personalizable de 10 kV, modelos SH15\/SH21\/SH25, con n\u00facleo de aleaci\u00f3n amorfa y ba\u00f1o de aceite"},"content":{"rendered":"<div data-elementor-type=\"product-post\" data-elementor-id=\"3121\" class=\"elementor elementor-3121\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11e38e9 e-flex e-con-boxed e-con e-parent\" data-id=\"11e38e9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3df9cea e-n-tabs-mobile elementor-widget elementor-widget-n-tabs\" data-id=\"3df9cea\" data-element_type=\"widget\" data-settings=\"{&quot;tabs_justify_horizontal&quot;:&quot;start&quot;,&quot;horizontal_scroll&quot;:&quot;disable&quot;}\" data-widget_type=\"nested-tabs.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-tabs\" data-widget-number=\"64986346\" aria-label=\"Pesta\u00f1as. Abre las entradas con la tecla Intro o la barra espaciadora, ci\u00e9rralas con la tecla Esc y despl\u00e1zate con las teclas de flecha.\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-649863461\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-649863461\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tBreve introducci\u00f3n\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-649863462\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"2\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-649863462\" style=\"--n-tabs-title-order: 2;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tCaracter\u00edstica\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-649863463\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"3\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-649863463\" style=\"--n-tabs-title-order: 3;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tEstructura\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-649863464\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"4\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-649863464\" style=\"--n-tabs-title-order: 4;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tEspecificaciones\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-649863465\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"5\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-649863465\" style=\"--n-tabs-title-order: 5;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDiagrama\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t<button id=\"e-n-tab-title-649863466\" class=\"e-n-tab-title\" aria-selected=\"false\" data-tab-index=\"6\" role=\"tab\" tabindex=\"-1\" aria-controls=\"e-n-tab-content-649863466\" style=\"--n-tabs-title-order: 6;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tPreguntas frecuentes\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-649863461\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863461\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-63d4ba4 e-con-full e-flex e-con e-child\" data-id=\"63d4ba4\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-76c97e8 elementor-widget elementor-widget-heading\" data-id=\"76c97e8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Breve introducci\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40fb5fa elementor-widget elementor-widget-text-editor\" data-id=\"40fb5fa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2160<\/strong><strong>.Breve introducci\u00f3n<\/strong><\/p><p><strong>1.<\/strong><strong>Normas: <\/strong><strong>IEC 60076, GB\/T 1094, GB\/T 25446-2010<\/strong><\/p><p><strong>2.<\/strong><strong>Potencia nominal:<\/strong> 30 kVA-2 500 kVA<\/p><p><strong>3.<\/strong><strong>Tensi\u00f3n primaria:<\/strong> 6 kV-11 kV<\/p><p><strong>4.<\/strong><strong>Tensi\u00f3n secundaria:<\/strong> 0,4 kV o seg\u00fan sea necesario<\/p><p><strong>5. Modo de regulaci\u00f3n de tensi\u00f3n:<\/strong> cambio de tomas fuera de circuito<\/p><p><strong>6. Frecuencia:<\/strong> 50 Hz o 60 Hz<\/p><p><strong>7.<\/strong><strong>Tipo:<\/strong> Transformador el\u00e9ctrico trif\u00e1sico<\/p><p><strong>8.<\/strong><strong>Tipo de conexi\u00f3n:<\/strong> Dyn11, Yyn0 o seg\u00fan las especificaciones del cliente<\/p><p><strong>9. Grado de aislamiento: <\/strong>A<\/p><p><strong>10. M\u00e9todo de refrigeraci\u00f3n:<\/strong> ON\u00c1N<\/p><p><strong>\u2161<\/strong><strong>.Condiciones de trabajo<\/strong><\/p><p><strong>1.<\/strong><strong>Temperatura ambiente:<\/strong> No m\u00e1s de +40 \u2103. No menos de -25 \u2103. La temperatura media mensual no supera los +30 \u2103. La temperatura media anual no supera los +20 \u2103.<\/p><p><strong>2.<\/strong><strong>Altitud:<\/strong> No m\u00e1s de 1000 m.<\/p><p><strong>3.<\/strong><strong>Humedad relativa del aire:<\/strong>\u226490%<\/p><p><strong>4.<\/strong><strong>lugar de instalaci\u00f3n:<\/strong> Sin gases corrosivos, sin suciedad visible<\/p><p><strong>5. \u00c1mbito de aplicaci\u00f3n:<\/strong> Su \u00e1mbito de aplicaci\u00f3n se centra principalmente en situaciones con cargas estables, largas horas de funcionamiento y elevados requisitos de eficiencia energ\u00e9tica, como las redes de distribuci\u00f3n el\u00e9ctrica, los edificios comerciales y civiles, las instalaciones de apoyo a las nuevas energ\u00edas y otros \u00e1mbitos.<\/p><p><strong>\u2162<\/strong><strong>.Las pruebas para transformadores sumergidos en aceite<\/strong><\/p><p>Los tipos experimentales de transformadores de aleaci\u00f3n amorfa abarcan cuatro \u00e1reas principales: ensayos de rendimiento b\u00e1sico, ensayos de seguridad y fiabilidad, ensayos en condiciones de funcionamiento especiales y ensayos de materiales y procesos:<\/p><p><strong>1.<\/strong><strong>Pruebas b\u00e1sicas de rendimiento<\/strong><\/p><p>Este tipo de experimento tiene como objetivo verificar si el rendimiento el\u00e9ctrico del n\u00facleo del transformador cumple con las normas de dise\u00f1o, lo que lo convierte en un eslab\u00f3n fundamental tanto en la investigaci\u00f3n y el desarrollo del producto como en la inspecci\u00f3n en f\u00e1brica.<\/p><p><strong>\u2460<\/strong><strong>Pruebas de p\u00e9rdidas en vac\u00edo y de corriente en vac\u00edo<\/strong><\/p><p><strong>\u2461<\/strong><strong>Pruebas de p\u00e9rdida de carga y de impedancia en cortocircuito<\/strong><\/p><p><strong>\u2462<\/strong><strong>Pruebas de relaci\u00f3n de transformaci\u00f3n y polaridad<\/strong><\/p><p><strong>\u2463<\/strong><strong>Pruebas de resistencia de aislamiento y de p\u00e9rdida diel\u00e9ctrica<\/strong><\/p><p><strong>2.<\/strong><strong>Pruebas de seguridad y fiabilidad<\/strong><\/p><p>Este tipo de ensayo se centra en la seguridad de los transformadores en condiciones extremas o durante un funcionamiento prolongado, lo que constituye un requisito fundamental para la homologaci\u00f3n del producto y su conexi\u00f3n a la red.<\/p><p><strong>\u2460<\/strong><strong>Prueba de tensi\u00f3n de resistencia a la frecuencia de red<\/strong><\/p><p><strong>\u2461<\/strong><strong>Ensayo de tensi\u00f3n de resistencia a impulsos de rayo<\/strong><\/p><p><strong>\u2462<\/strong><strong>Prueba de resistencia a cortocircuitos<\/strong><\/p><p><strong>\u2463<\/strong><strong>Prueba de aumento de temperatura<\/strong><\/p><p><strong>3.<\/strong><strong>Pruebas de condiciones especiales de trabajo y de adaptabilidad al entorno<\/strong><\/p><p>Se requieren experimentos espec\u00edficos para diferentes escenarios de aplicaci\u00f3n (por ejemplo, mesetas, zonas h\u00famedas, regiones de gran altitud) o necesidades especiales.<\/p><p><strong>\u2460<\/strong><strong>Pruebas de adaptabilidad ambiental<\/strong><\/p><p><strong>\u2461<\/strong><strong>Pruebas de ruido<\/strong><\/p><p><strong>\u2462<\/strong><strong>Pruebas de descargas parciales<\/strong><\/p><p><strong>4.<\/strong><strong>Pruebas de verificaci\u00f3n de materiales y procesos<\/strong><\/p><p>El rendimiento de los n\u00facleos de aleaci\u00f3n amorfa influye directamente en los indicadores generales de los transformadores, lo que requiere la realizaci\u00f3n de ensayos independientes tanto de los materiales como de los procesos de fabricaci\u00f3n.<\/p><p><strong>\u2460<\/strong><strong>Pruebas de rendimiento de bandas de aleaci\u00f3n amorfa<\/strong><\/p><p><strong>\u2461<\/strong><strong>Pruebas del proceso de bobinado del n\u00facleo<\/strong><\/p><p>Los modelos experimentales de transformadores de aleaci\u00f3n amorfa deben encontrar un equilibrio entre el rendimiento el\u00e9ctrico, la seguridad, la fiabilidad, la adaptabilidad medioambiental y los procesos de fabricaci\u00f3n, abarcando todo el proceso, desde la investigaci\u00f3n y el desarrollo hasta la entrega en f\u00e1brica. Entre ellos, los ensayos de p\u00e9rdidas en vac\u00edo, de resistencia a cortocircuitos, de aumento de temperatura y de rendimiento del material del n\u00facleo son factores clave que los diferencian de los transformadores tradicionales, ya que determinan directamente sus ventajas en materia de ahorro energ\u00e9tico y su estabilidad operativa.<\/p><p><strong>\u2163.<\/strong><strong>Inspecci\u00f3n de componentes de transformadores de aleaci\u00f3n amorfa<\/strong><\/p><p>Los transformadores de aleaci\u00f3n amorfa se utilizan ampliamente en los sistemas el\u00e9ctricos debido a sus ventajas, como las bajas p\u00e9rdidas y la eficiencia energ\u00e9tica. La inspecci\u00f3n de estos equipos abarca m\u00faltiples componentes fundamentales, entre los que se incluyen los n\u00facleos de hierro, los devanados, los dep\u00f3sitos de aceite, los sistemas de aislamiento y los sistemas de refrigeraci\u00f3n.<\/p><p><strong>1.<\/strong><strong>Inspecci\u00f3n del n\u00facleo de hierro<\/strong><\/p><p>El n\u00facleo de hierro de aleaci\u00f3n amorfa es el \u201ccoraz\u00f3n\u201d del transformador, y su rendimiento influye directamente en las p\u00e9rdidas y la eficiencia del transformador. Los aspectos clave de la inspecci\u00f3n incluyen:<\/p><p><strong>\u2460<\/strong><strong>Inspecci\u00f3n de la calidad est\u00e9tica<\/strong><\/p><p><strong>\u2461<\/strong><strong>Inspecci\u00f3n de la precisi\u00f3n dimensional<\/strong><\/p><p><strong>\u2462<\/strong><strong>Inspecci\u00f3n de p\u00e9rdidas de hierro<\/strong><\/p><p><strong>\u2463<\/strong><strong>Inspecci\u00f3n de la distribuci\u00f3n de la densidad de flujo magn\u00e9tico<\/strong><\/p><p><strong>\u2464<\/strong><strong>Control de calidad del recocido<\/strong><\/p><p><strong>2.<\/strong><strong>Inspecci\u00f3n del bobinado<\/strong><\/p><p>Los devanados son los componentes fundamentales que permiten al transformador llevar a cabo la conversi\u00f3n de energ\u00eda el\u00e9ctrica, por lo que es necesario prestar especial atenci\u00f3n a su rendimiento el\u00e9ctrico y su resistencia mec\u00e1nica:<\/p><p><strong>\u2460<\/strong><strong>Inspecci\u00f3n de la resistencia en corriente continua<\/strong><\/p><p><strong>\u2461<\/strong><strong>Comprobaci\u00f3n de la resistencia de aislamiento<\/strong><\/p><p><strong>\u2462<\/strong><strong>Inspecci\u00f3n del factor de p\u00e9rdida diel\u00e9ctrica (tan\u03b4)<\/strong><\/p><p><strong>\u2463<\/strong><strong>Prueba de tensi\u00f3n de resistencia de CA<\/strong><\/p><p><strong>\u2464<\/strong><strong>Inspecci\u00f3n de descargas parciales<\/strong><\/p><p><strong>\u2465<\/strong><strong>Inspecci\u00f3n de la resistencia mec\u00e1nica<\/strong><\/p><p><strong>3.<\/strong><strong>Inspecci\u00f3n de dep\u00f3sitos de combustible y componentes estructurales<\/strong><\/p><p><strong>\u2460<\/strong><strong>Inspecci\u00f3n del aspecto y la estanqueidad<\/strong><\/p><p><strong>\u2461<\/strong><strong>Inspecci\u00f3n de dimensiones y deformaciones<\/strong><\/p><p><strong>\u2462<\/strong><strong>Inspecci\u00f3n de la resistencia estructural<\/strong><\/p><p><strong>4.<\/strong><strong>Inspecci\u00f3n del sistema de aislamiento<\/strong><\/p><p>El sistema de aislamiento es fundamental para garantizar el funcionamiento seguro del transformador, e incluye el aislamiento s\u00f3lido (como el papel aislante y el cart\u00f3n aislante) y el aislamiento l\u00edquido (como el aceite para transformadores):<\/p><p><strong>\u2460<\/strong><strong>Inspecci\u00f3n del aislamiento s\u00f3lido<\/strong><\/p><p><strong>\u2461<\/strong><strong>Inspecci\u00f3n del aceite de los transformadores<\/strong><\/p><p><strong>5.<\/strong><strong>Inspecci\u00f3n del sistema de refrigeraci\u00f3n<\/strong><\/p><p>El rendimiento del sistema de refrigeraci\u00f3n influye directamente en la disipaci\u00f3n del calor del transformador. Los aspectos que deben inspeccionarse son los siguientes:<\/p><p><strong>\u2460<\/strong><strong>Inspecci\u00f3n del radiador \/ del sistema de refrigeraci\u00f3n<\/strong><\/p><p><strong>\u2461<\/strong><strong>Revisi\u00f3n del ventilador y de la bomba de aceite<\/strong><\/p><p><strong>\u2462<\/strong><strong>Inspecci\u00f3n del dispositivo de control de temperatura<\/strong><\/p><p><strong>\u2164<\/strong><strong>.<\/strong><strong>Certificado: <\/strong>CE, UL, ISO, SGS, CCC<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-649863462\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863462\" data-tab-index=\"2\" style=\"--n-tabs-title-order: 2;\" class=\"elementor-element elementor-element-2e2154e e-con-full e-flex e-con e-child\" data-id=\"2e2154e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f27574 elementor-widget elementor-widget-heading\" data-id=\"0f27574\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Caracter\u00edsticas estructurales<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f30b232 elementor-widget elementor-widget-text-editor\" data-id=\"f30b232\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2160.<\/strong><strong>Caracter\u00edsticas del producto<\/strong><\/p><p>Los transformadores de aleaci\u00f3n amorfa son un tipo de transformador de potencia que utiliza materiales de aleaci\u00f3n amorfa como n\u00facleo. Las aleaciones amorfas se forman enfriando directamente aleaciones met\u00e1licas fundidas hasta alcanzar el estado s\u00f3lido mediante una tecnolog\u00eda de solidificaci\u00f3n r\u00e1pida (con una velocidad de enfriamiento de hasta un mill\u00f3n de grados Celsius por segundo), lo que da lugar a una estructura amorfa con una disposici\u00f3n at\u00f3mica desordenada. Sus caracter\u00edsticas fundamentales determinan directamente el rendimiento del transformador:<\/p><p>1. Bajas p\u00e9rdidas por hist\u00e9resis: debido a la disposici\u00f3n at\u00f3mica desordenada de las aleaciones amorfas, la resistencia a la rotaci\u00f3n y al desplazamiento de los dominios durante la magnetizaci\u00f3n es extremadamente peque\u00f1a. El \u00e1rea del bucle de hist\u00e9resis es mucho menor que la de las chapas de acero al silicio (solo entre 1\/5 y 1\/10 de la de las chapas de acero al silicio tradicionales), lo que constituye la raz\u00f3n principal de su eficiencia energ\u00e9tica.<\/p><p>2. Alta permeabilidad magn\u00e9tica: se puede alcanzar una alta magnetizaci\u00f3n en campos magn\u00e9ticos d\u00e9biles, lo que reduce la corriente de excitaci\u00f3n y disminuye las p\u00e9rdidas en vac\u00edo.<\/p><p>3. Propiedades mec\u00e1nicas: Las aleaciones amorfas presentan una elevada dureza (aproximadamente entre 2 y 3 veces la de las chapas de acero al silicio), pero son muy fr\u00e1giles y propensas a la fragmentaci\u00f3n durante su procesamiento. Por ello, el n\u00facleo se fabrica normalmente mediante un proceso de bobinado, en lugar de mediante una estructura laminada.<\/p><p>4. Resistencia a la corrosi\u00f3n: Se forma una pel\u00edcula de \u00f3xido natural en la superficie, lo que proporciona una mayor resistencia a la corrosi\u00f3n que el acero al silicio com\u00fan y reduce el riesgo de que el n\u00facleo se oxide.<\/p><p><strong>\u2161.<\/strong><strong>Producto <\/strong><strong>Ventajas<\/strong><\/p><p>Ventajas de los transformadores de aleaci\u00f3n amorfa:<\/p><p>1. P\u00e9rdidas en vac\u00edo extremadamente bajas: Las p\u00e9rdidas en vac\u00edo de los transformadores con n\u00facleo de aleaci\u00f3n amorfa se reducen en aproximadamente un 70% \u2013 80% en comparaci\u00f3n con los transformadores tradicionales de chapa de acero al silicio. Por ejemplo, la p\u00e9rdida en vac\u00edo de un transformador de aleaci\u00f3n amorfa de 10 kV y 500 kVA es de unos 300 W, mientras que la de un transformador de chapa de acero al silicio de la misma clase es de aproximadamente entre 1 200 W y 1 500 W.<\/p><p>2. Adecuado para un funcionamiento con carga ligera: en zonas con bajos \u00edndices de carga de la red, como las zonas rurales y los barrios perif\u00e9ricos, el ahorro energ\u00e9tico es especialmente notable. Su funcionamiento a largo plazo puede reducir significativamente los gastos de electricidad.<\/p><p>3. Baja corriente en vac\u00edo: suele ser m\u00e1s de 50% inferior a la de los transformadores de chapa de acero al silicio, lo que reduce las p\u00e9rdidas de potencia reactiva de la red el\u00e9ctrica y contribuye a mejorar el factor de potencia de la red.<\/p><p>4. Ruido ligeramente inferior: debido al menor coeficiente de magnetoestricci\u00f3n de los materiales de aleaci\u00f3n amorfa, el ruido de funcionamiento es entre 3 dB y 5 dB inferior al de los transformadores tradicionales, lo que los hace m\u00e1s adecuados para zonas sensibles al ruido (como zonas residenciales y hospitales).<\/p><p>5. Estructura compacta: El n\u00facleo presenta una estructura enrollada y su volumen es equivalente o ligeramente inferior al de un transformador de chapa de acero al silicio de la misma potencia, lo que facilita su instalaci\u00f3n y disposici\u00f3n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-649863463\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863463\" data-tab-index=\"3\" style=\"--n-tabs-title-order: 3;\" class=\"elementor-element elementor-element-764f307 e-con-full e-flex e-con e-child\" data-id=\"764f307\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9872304 elementor-widget elementor-widget-heading\" data-id=\"9872304\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Estructura del producto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b1b2cc5 elementor-widget elementor-widget-text-editor\" data-id=\"b1b2cc5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Los transformadores de aleaci\u00f3n amorfa sumergidos en aceite son equipos el\u00e9ctricos de alta eficiencia y bajo consumo energ\u00e9tico. Su principal ventaja radica en el uso de materiales de n\u00facleo de aleaci\u00f3n amorfa, que se caracterizan por sus bajas p\u00e9rdidas y su alta permeabilidad magn\u00e9tica.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5474a64 e-flex e-con-boxed e-con e-child\" data-id=\"5474a64\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-24a71fc elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"24a71fc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2160.<\/strong><strong>Proceso de fabricaci\u00f3n principal<\/strong><\/p><p>El n\u00facleo es un componente clave que determina el rendimiento en materia de ahorro energ\u00e9tico del transformador. Las l\u00e1minas de aleaci\u00f3n amorfa son muy fr\u00e1giles y se rompen con facilidad, por lo que el proceso de fabricaci\u00f3n debe ser extremadamente preciso.<\/p><p><strong>1.<\/strong><strong>Corte en tiras<\/strong><\/p><p><strong>2.<\/strong><strong>Bobinado del n\u00facleo (o laminado)<\/strong><\/p><p><strong>3.<\/strong><strong>Tratamiento de recocido<\/strong><\/p><p><strong>4.<\/strong><strong>Curado y acabado del n\u00facleo<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-4144565 e-con-full e-flex e-con e-child\" data-id=\"4144565\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d5efec elementor-widget elementor-widget-image\" data-id=\"4d5efec\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"574\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x574.png\" class=\"attachment-large size-large wp-image-4633\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x574.png 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px-300x168.png 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px-768x431.png 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px-600x337.png 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px.png 1312w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-316f71b e-flex e-con-boxed e-con e-child\" data-id=\"316f71b\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5a64ba5 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"5a64ba5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png\" class=\"attachment-large size-large wp-image-4637\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px-300x169.png 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px-768x432.png 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px-600x338.png 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-415ab2d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"415ab2d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2161.<\/strong><strong>Proceso de fabricaci\u00f3n de bobinas<\/strong><\/p><p>El devanado es el componente conductor del transformador, que debe cumplir los requisitos de resistencia de aislamiento, resistencia mec\u00e1nica y capacidad de disipaci\u00f3n t\u00e9rmica.<\/p><p><strong>1.<\/strong><strong>Pretratamiento del conductor<\/strong><\/p><p><strong>2.<\/strong><strong>Secado y curado del bobinado<\/strong><\/p><p><strong>3.<\/strong><strong>Pruebas de aislamiento de bobinas<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3a0ed7f e-flex e-con-boxed e-con e-child\" data-id=\"3a0ed7f\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8c7e7b3 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"8c7e7b3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2162.<\/strong><strong>Proceso de montaje del n\u00facleo<\/strong><\/p><p>El montaje del n\u00facleo es un eslab\u00f3n fundamental para integrar el n\u00facleo, los devanados y los componentes relacionados en un conjunto \u00fanico. Es necesario garantizar el posicionamiento preciso de los componentes y un aislamiento fiable.<\/p><p><strong>1.<\/strong><strong>Conjunto de n\u00facleo y bobinado<\/strong><\/p><p><strong>2.<\/strong><strong>Conexi\u00f3n de plomo<\/strong><\/p><p><strong>3.<\/strong><strong>Secado del n\u00facleo<\/strong><\/p><p><strong>4.<\/strong><strong>Inspecci\u00f3n general del n\u00facleo<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e8418c8 e-con-full e-flex e-con e-child\" data-id=\"e8418c8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b4fa40 elementor-widget elementor-widget-image\" data-id=\"6b4fa40\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png\" class=\"attachment-large size-large wp-image-4646\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px-300x169.png 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px-768x432.png 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px-600x338.png 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-db9ebd4 e-flex e-con-boxed e-con e-child\" data-id=\"db9ebd4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0c75ed8 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"0c75ed8\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png\" class=\"attachment-large size-large wp-image-4647\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px-1024x576.png 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px-300x169.png 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px-768x432.png 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px-600x338.png 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-61c2596 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"61c2596\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2163.<\/strong><strong>Montaje del dep\u00f3sito de aceite y proceso de llenado de aceite<\/strong><\/p><p>El dep\u00f3sito de aceite es la carcasa exterior del transformador, que debe cumplir las funciones de estanqueidad, disipaci\u00f3n del calor y protecci\u00f3n mec\u00e1nica.<\/p><p><strong>1.<\/strong><strong>Pretratamiento del dep\u00f3sito de aceite<\/strong><\/p><p><strong>2.<\/strong><strong>Instalaci\u00f3n de accesorios<\/strong><\/p><p><strong>3.<\/strong><strong>Colocaci\u00f3n del n\u00facleo en el dep\u00f3sito<\/strong><\/p><p><strong>4.<\/strong><strong>Llenado de aceite al vac\u00edo<\/strong><\/p><p><strong>5.<\/strong><strong>Detecci\u00f3n de sellos<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5fc33e8 e-flex e-con-boxed e-con e-child\" data-id=\"5fc33e8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4652b00 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"4652b00\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2164.<\/strong><strong>Pruebas del producto terminado y proceso de fabricaci\u00f3n<\/strong><\/p><p>Una vez finalizada la fabricaci\u00f3n del transformador, es necesario realizar pruebas rigurosas para comprobar si su rendimiento cumple con las normas.<\/p><p><strong>1.<\/strong><strong>Pruebas rutinarias<\/strong><\/p><p><strong>2.<\/strong><strong>Ensayos de tipo (realizados mediante muestreo)<\/strong><\/p><p><strong>3.<\/strong><strong>Aspecto y presentaci\u00f3n<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c25d91 elementor-widget__width-initial elementor-widget elementor-widget-image\" data-id=\"1c25d91\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2-1024x576.png\" class=\"attachment-large size-large wp-image-4648\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2-1024x576.png 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2-300x169.png 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2-768x432.png 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2-600x338.png 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_5000x1000px_WH_1000x1000px1_WH_1000x1000px-2.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-649863464\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863464\" data-tab-index=\"4\" style=\"--n-tabs-title-order: 4;\" class=\"elementor-element elementor-element-265fa39 e-con-full e-flex e-con e-child\" data-id=\"265fa39\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-73d198a elementor-widget elementor-widget-heading\" data-id=\"73d198a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Especificaciones<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de4a9c0 elementor-widget elementor-widget-n-accordion\" data-id=\"de4a9c0\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abre los enlaces con la tecla Intro o la barra espaciadora, ci\u00e9rralos con la tecla Esc y navega con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2330\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2330\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Transformador de distribuci\u00f3n personalizable de 10 kV con n\u00facleo de aleaci\u00f3n amorfa sumergido en aceite, modelos SH15\/SH21\/SH25 <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-bf0179b e-con-full e-flex e-con e-child\" data-id=\"bf0179b\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0f85fed elementor-widget elementor-widget-html\" data-id=\"0f85fed\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t<style type=\"text\/css\">\r\n.table-responsive {\r\n  width: 100%;\r\n  overflow-x: auto; \/* \u5c0f\u5c4f\u5e55\u53ef\u6a2a\u5411\u6eda\u52a8 *\/\r\n}\r\n\r\n\/* \u8868\u683c\u57fa\u7840\u6837\u5f0f *\/\r\n.tg  {\r\n  border-collapse: collapse;\r\n  border-spacing: 0;\r\n  min-width: 800px; \/* \u9632\u6b62\u8868\u683c\u88ab\u538b\u7f29\u5f97\u592a\u5c0f *\/\r\n}\r\n\r\n.tg td, .tg th {\r\n  border-color: black;\r\n  border-style: solid;\r\n  border-width: 1px;\r\n  font-family: Arial, sans-serif;\r\n  font-size: 14px;\r\n  overflow: hidden;\r\n  padding: 10px 5px;\r\n  text-align: center;\r\n  vertical-align: top;\r\n  word-break: normal;\r\n}\r\n\r\n.tg th {\r\n  font-weight: normal;\r\n}\r\n\r\n.tg .tg-4fhu {\r\n  background-color: #FFF;\r\n  color: #212529;\r\n}\r\n\r\n\/* \u5e73\u677f\u9002\u914d *\/\r\n@media (max-width: 1024px) {\r\n  .tg td, .tg th {\r\n    font-size: 13px;\r\n    padding: 8px 4px;\r\n  }\r\n}\r\n\r\n\/* \u624b\u673a\u9002\u914d *\/\r\n@media (max-width: 768px) {\r\n  .tg td, .tg th {\r\n    font-size: 12px;\r\n    padding: 6px 3px;\r\n  }\r\n}\r\n<\/style>\r\n\r\n<div class=\"table-responsive\">\r\n<table class=\"tg\">\r\n<thead>\r\n  <tr>\r\n<style type=\"text\/css\">\r\n.tg  {border-collapse:collapse;border-spacing:0;}\r\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\r\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\r\n.tg .tg-baqh{text-align:center;vertical-align:top}\r\n.tg .tg-wa1i{font-weight:bold;text-align:center;vertical-align:middle}\r\n.tg .tg-nrix{text-align:center;vertical-align:middle}\r\n<\/style>\r\n<table class=\"tg\"><thead>\r\n  <tr>\r\n    <th class=\"tg-wa1i\" rowspan=\"2\">Capacidad nominal<\/th>\r\n    <th class=\"tg-wa1i\" rowspan=\"2\">H.V.<\/th>\r\n    <th class=\"tg-wa1i\" rowspan=\"2\">L.V.<\/th>\r\n    <th class=\"tg-wa1i\" rowspan=\"2\">S\u00edmbolo de conexi\u00f3n<\/th>\r\n    <th class=\"tg-wa1i\" colspan=\"3\">P\u00e9rdida en vac\u00edo (W)<\/th>\r\n    <th class=\"tg-wa1i\" colspan=\"3\">P\u00e9rdida en carga (W)<\/th>\r\n    <th class=\"tg-wa1i\" rowspan=\"2\">Impedancia de cortocircuito<\/th>\r\n  <\/tr>\r\n  <tr>\r\n    <th class=\"tg-wa1i\">S15<\/th>\r\n    <th class=\"tg-wa1i\">S21<\/th>\r\n    <th class=\"tg-wa1i\">S25<\/th>\r\n    <th class=\"tg-wa1i\">S15<\/th>\r\n    <th class=\"tg-wa1i\">S21<\/th>\r\n    <th class=\"tg-wa1i\">S25<\/th>\r\n  <\/tr><\/thead>\r\n<tbody>\r\n  <tr>\r\n    <td class=\"tg-nrix\">30<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"19\">6<br><br><br>6.3<br><br><br>10<br><br><br>10.5<br><br><br>11<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"19\">0.4<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"19\">Dyn11<br><br><br><br><br>Yyn0<\/td>\r\n    <td class=\"tg-nrix\">33<\/td>\r\n    <td class=\"tg-nrix\">33<\/td>\r\n    <td class=\"tg-nrix\">25<\/td>\r\n    <td class=\"tg-nrix\">630\/660<\/td>\r\n    <td class=\"tg-baqh\">535\/510<\/td>\r\n    <td class=\"tg-baqh\">510\/480<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"12\">4<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">50<\/td>\r\n    <td class=\"tg-nrix\">43<\/td>\r\n    <td class=\"tg-nrix\">43<\/td>\r\n    <td class=\"tg-nrix\">35<\/td>\r\n    <td class=\"tg-nrix\">910\/870<\/td>\r\n    <td class=\"tg-baqh\">780\/745<\/td>\r\n    <td class=\"tg-baqh\">735\/700<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">63<\/td>\r\n    <td class=\"tg-nrix\">50<\/td>\r\n    <td class=\"tg-nrix\">50<\/td>\r\n    <td class=\"tg-nrix\">40<\/td>\r\n    <td class=\"tg-nrix\">1090\/1040<\/td>\r\n    <td class=\"tg-baqh\">930\/890<\/td>\r\n    <td class=\"tg-baqh\">880\/840<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">80<\/td>\r\n    <td class=\"tg-nrix\">60<\/td>\r\n    <td class=\"tg-nrix\">60<\/td>\r\n    <td class=\"tg-nrix\">50<\/td>\r\n    <td class=\"tg-nrix\">1310\/1250<\/td>\r\n    <td class=\"tg-baqh\">1120\/1070<\/td>\r\n    <td class=\"tg-baqh\">1060\/1010<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">100<\/td>\r\n    <td class=\"tg-nrix\">75<\/td>\r\n    <td class=\"tg-nrix\">75<\/td>\r\n    <td class=\"tg-nrix\">60<\/td>\r\n    <td class=\"tg-nrix\">1580\/1500<\/td>\r\n    <td class=\"tg-baqh\">1350\/1285<\/td>\r\n    <td class=\"tg-baqh\">1270\/1215<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">125<\/td>\r\n    <td class=\"tg-nrix\">85<\/td>\r\n    <td class=\"tg-nrix\">85<\/td>\r\n    <td class=\"tg-nrix\">70<\/td>\r\n    <td class=\"tg-nrix\">1890\/1800<\/td>\r\n    <td class=\"tg-baqh\">1615\/1540<\/td>\r\n    <td class=\"tg-baqh\">1530\/1450<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">160<\/td>\r\n    <td class=\"tg-nrix\">100<\/td>\r\n    <td class=\"tg-nrix\">100<\/td>\r\n    <td class=\"tg-nrix\">80<\/td>\r\n    <td class=\"tg-nrix\">2310\/2200<\/td>\r\n    <td class=\"tg-baqh\">1975\/1880<\/td>\r\n    <td class=\"tg-baqh\">1870\/1780<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">200<\/td>\r\n    <td class=\"tg-nrix\">120<\/td>\r\n    <td class=\"tg-nrix\">120<\/td>\r\n    <td class=\"tg-nrix\">95<\/td>\r\n    <td class=\"tg-nrix\">2730\/2600<\/td>\r\n    <td class=\"tg-baqh\">2330\/2225<\/td>\r\n    <td class=\"tg-baqh\">2210\/2100<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">250<\/td>\r\n    <td class=\"tg-nrix\">140<\/td>\r\n    <td class=\"tg-nrix\">140<\/td>\r\n    <td class=\"tg-nrix\">110<\/td>\r\n    <td class=\"tg-nrix\">3200\/3050<\/td>\r\n    <td class=\"tg-baqh\">2735\/2610<\/td>\r\n    <td class=\"tg-baqh\">2590\/2470<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">315<\/td>\r\n    <td class=\"tg-nrix\">170<\/td>\r\n    <td class=\"tg-nrix\">170<\/td>\r\n    <td class=\"tg-nrix\">135<\/td>\r\n    <td class=\"tg-nrix\">3830\/3650<\/td>\r\n    <td class=\"tg-baqh\">3275\/3120<\/td>\r\n    <td class=\"tg-baqh\">3100\/2950<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">400<\/td>\r\n    <td class=\"tg-nrix\">200<\/td>\r\n    <td class=\"tg-nrix\">200<\/td>\r\n    <td class=\"tg-nrix\">160<\/td>\r\n    <td class=\"tg-nrix\">4520\/4300<\/td>\r\n    <td class=\"tg-baqh\">3865\/3675<\/td>\r\n    <td class=\"tg-baqh\">3660\/3480<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">500<\/td>\r\n    <td class=\"tg-nrix\">240<\/td>\r\n    <td class=\"tg-nrix\">240<\/td>\r\n    <td class=\"tg-nrix\">190<\/td>\r\n    <td class=\"tg-nrix\">5410\/5150<\/td>\r\n    <td class=\"tg-baqh\">4625\/4400<\/td>\r\n    <td class=\"tg-baqh\">4380\/4170<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">630<\/td>\r\n    <td class=\"tg-nrix\">320<\/td>\r\n    <td class=\"tg-nrix\">320<\/td>\r\n    <td class=\"tg-nrix\">250<\/td>\r\n    <td class=\"tg-nrix\">6200<\/td>\r\n    <td class=\"tg-nrix\">5300<\/td>\r\n    <td class=\"tg-nrix\">5020<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"5\">4.5<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">800<\/td>\r\n    <td class=\"tg-nrix\">380<\/td>\r\n    <td class=\"tg-nrix\">380<\/td>\r\n    <td class=\"tg-nrix\">300<\/td>\r\n    <td class=\"tg-nrix\">7500<\/td>\r\n    <td class=\"tg-nrix\">6415<\/td>\r\n    <td class=\"tg-nrix\">6075<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">1000<\/td>\r\n    <td class=\"tg-nrix\">450<\/td>\r\n    <td class=\"tg-nrix\">450<\/td>\r\n    <td class=\"tg-nrix\">360<\/td>\r\n    <td class=\"tg-nrix\">10300<\/td>\r\n    <td class=\"tg-nrix\">8800<\/td>\r\n    <td class=\"tg-nrix\">8340<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">1250<\/td>\r\n    <td class=\"tg-nrix\">530<\/td>\r\n    <td class=\"tg-nrix\">530<\/td>\r\n    <td class=\"tg-nrix\">425<\/td>\r\n    <td class=\"tg-nrix\">12000<\/td>\r\n    <td class=\"tg-nrix\">10260<\/td>\r\n    <td class=\"tg-nrix\">9720<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">1600<\/td>\r\n    <td class=\"tg-nrix\">630<\/td>\r\n    <td class=\"tg-nrix\">630<\/td>\r\n    <td class=\"tg-nrix\">500<\/td>\r\n    <td class=\"tg-nrix\">14500<\/td>\r\n    <td class=\"tg-nrix\">12400<\/td>\r\n    <td class=\"tg-nrix\">11745<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">2000<\/td>\r\n    <td class=\"tg-nrix\">720<\/td>\r\n    <td class=\"tg-nrix\">710<\/td>\r\n    <td class=\"tg-nrix\">550<\/td>\r\n    <td class=\"tg-nrix\">18300<\/td>\r\n    <td class=\"tg-nrix\">14800<\/td>\r\n    <td class=\"tg-nrix\">14000<\/td>\r\n    <td class=\"tg-nrix\" rowspan=\"2\">5<\/td>\r\n  <\/tr>\r\n  <tr>\r\n    <td class=\"tg-nrix\">2500<\/td>\r\n    <td class=\"tg-nrix\">865<\/td>\r\n    <td class=\"tg-nrix\">860<\/td>\r\n    <td class=\"tg-nrix\">670<\/td>\r\n    <td class=\"tg-nrix\">21200<\/td>\r\n    <td class=\"tg-nrix\">16300<\/td>\r\n    <td class=\"tg-nrix\">15450<\/td>\r\n  <\/tr>\r\n<\/tbody><\/table>   \r\n<\/thead>\r\n<tbody>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-649863465\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863465\" data-tab-index=\"5\" style=\"--n-tabs-title-order: 5;\" class=\"elementor-element elementor-element-53e5531 e-con-full e-flex e-con e-child\" data-id=\"53e5531\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bd32b31 e-flex e-con-boxed e-con e-child\" data-id=\"bd32b31\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c595837 elementor-widget elementor-widget-image\" data-id=\"c595837\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-1024x819.webp\" class=\"attachment-large size-large wp-image-4849\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-1024x819.webp 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-300x240.webp 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-768x614.webp 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-1536x1229.webp 1536w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2-600x480.webp 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/04-10-0.4-50-630kva-2.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8acb507 elementor-widget elementor-widget-image\" data-id=\"8acb507\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-1024x819.webp\" class=\"attachment-large size-large wp-image-4850\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-1024x819.webp 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-300x240.webp 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-768x614.webp 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-1536x1229.webp 1536w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2-600x480.webp 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/05-10-0.4-800kva-1600kva-2.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c56472 elementor-widget elementor-widget-image\" data-id=\"1c56472\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-1024x819.webp\" class=\"attachment-large size-large wp-image-4851\" alt=\"\" srcset=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-1024x819.webp 1024w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-300x240.webp 300w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-768x614.webp 768w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-1536x1229.webp 1536w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2-600x480.webp 600w, https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/09\/06-35-10-0.4-1600kva\u4ee5\u4e0a-2.webp 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div id=\"e-n-tab-content-649863466\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-649863466\" data-tab-index=\"6\" style=\"--n-tabs-title-order: 6;\" class=\"elementor-element elementor-element-a681f0e e-con-full e-flex e-con e-child\" data-id=\"a681f0e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-11bf213 elementor-widget elementor-widget-heading\" data-id=\"11bf213\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">     Preguntas frecuentes<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-692e57a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"692e57a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2160. Servicio de mantenimiento b\u00e1sico<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d080af3 elementor-widget elementor-widget-n-accordion\" data-id=\"d080af3\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abre los enlaces con la tecla Intro o la barra espaciadora, ci\u00e9rralos con la tecla Esc y navega con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2180\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2180\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. \u00bfCu\u00e1les son la tensi\u00f3n nominal y la potencia nominal del transformador de aleaci\u00f3n amorfa sumergido en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2180\" class=\"elementor-element elementor-element-05eeb49 e-con-full e-flex e-con e-child\" data-id=\"05eeb49\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d60b237 elementor-widget elementor-widget-text-editor\" data-id=\"d60b237\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2460<\/strong><strong>Tensi\u00f3n primaria (lado de alta tensi\u00f3n): <\/strong>Suelen oscilar entre 1 kV y 66 kV, con valores nominales habituales como 6 kV, 10 kV, 11 kV, 20 kV, 33 kV, 34,5 kV y 35 kV.<\/p><p><strong>\u2461<\/strong><strong>Tensi\u00f3n secundaria (lado de baja tensi\u00f3n): <\/strong>Entre las tensiones nominales secundarias m\u00e1s habituales se incluyen:<\/p><p>\u00b7400 V (0,4 kV) para el suministro industrial y residencial<\/p><p>\u00b711 kV o 33 kV<\/p><p><strong>\u2462<\/strong><strong>Personalizaci\u00f3n: <\/strong>Los transformadores pueden dise\u00f1arse para aplicaciones espec\u00edficas. Si tiene requisitos espec\u00edficos de potencia o necesidades de tensi\u00f3n, podemos dise\u00f1ar y personalizar transformadores a medida para satisfacer sus necesidades.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2181\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2181\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. \u00bfQu\u00e9 tipo de sistema de refrigeraci\u00f3n utiliza el transformador de aleaci\u00f3n amorfa sumergido en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2181\" class=\"elementor-element elementor-element-9b6bfdb e-con-full e-flex e-con e-child\" data-id=\"9b6bfdb\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3e23d10 elementor-widget elementor-widget-text-editor\" data-id=\"3e23d10\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Los transformadores Kete de aleaci\u00f3n amorfa sumergidos en aceite utilizan principalmente dos m\u00e9todos de refrigeraci\u00f3n habituales: ONAN y ONAF.<\/p><p>\u2460<strong>\u00c1mbito de aplicaci\u00f3n de ONAN<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Transformadores de baja potencia<\/strong><\/p><p>Capacidad t\u00edpica de aplicaci\u00f3n: Se utiliza habitualmente para transformadores de la clase de 10 kV con una potencia de 500 kVA o inferior, y de la clase de 35 kV con una potencia de 1 000 kVA o inferior.<\/p><p>Motivo: Los transformadores de peque\u00f1a potencia presentan bajas p\u00e9rdidas (poca generaci\u00f3n de calor) y la disipaci\u00f3n natural del calor permite cumplir los requisitos de aumento de temperatura, adem\u00e1s de tener una estructura sencilla y un coste reducido.<\/p><p><strong>\u00b7<\/strong><strong>Casos en los que el entorno de instalaci\u00f3n no est\u00e1 bien configurado<\/strong><\/p><p>Adecuado para espacios abiertos al aire libre, salas de distribuci\u00f3n interiores bien ventiladas o zonas con bajas temperaturas ambientales.<\/p><p>Si se instala en espacios cerrados (como s\u00f3tanos), es necesario realizar una evaluaci\u00f3n adicional de las condiciones de disipaci\u00f3n del calor, y puede que sea necesario mejorar el m\u00e9todo de refrigeraci\u00f3n.<\/p><p><strong>\u00b7<\/strong><strong>Transformadores con baja tasa de carga o funcionamiento intermitente<\/strong><\/p><p>En el caso de los transformadores que permanecen en estado de carga ligera durante un periodo prolongado (\u00edndice de carga &lt; 50%), la capacidad de disipaci\u00f3n t\u00e9rmica del sistema ONAN resulta suficiente, sin que se produzca un gasto energ\u00e9tico innecesario derivado de la refrigeraci\u00f3n forzada.<\/p><p>\u2461<strong>\u00c1mbito de aplicaci\u00f3n de la ONAF<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Transformadores de capacidad media y grande<\/strong><\/p><p>Capacidad t\u00edpica aplicable: clase de 10 kV con 800 kVA y superiores, y clase de 35 kV con 1 600 kVA y superiores para transformadores peque\u00f1os y medianos.<\/p><p>Motivo: Los transformadores de capacidad media y grande presentan p\u00e9rdidas elevadas (grandes p\u00e9rdidas en el cobre y en el hierro), y la disipaci\u00f3n natural del calor no basta para respetar el l\u00edmite de aumento de temperatura, por lo que se necesitan ventiladores para ayudar a mejorar la disipaci\u00f3n del calor.<\/p><p><strong>\u00b7<\/strong><strong>Transformadores con alta tasa de carga o funcionamiento continuo<\/strong><\/p><p>Adecuado para situaciones en las que se produce un funcionamiento a plena carga durante largos periodos o se producen grandes fluctuaciones de carga (en las que es necesario soportar sobrecargas de corta duraci\u00f3n), como los transformadores principales de las plantas industriales y los transformadores de distribuci\u00f3n en las redes de distribuci\u00f3n urbanas.<\/p><p><strong>\u00b7<\/strong><strong>Entornos con condiciones de disipaci\u00f3n de calor limitadas<\/strong><\/p><p>Si el transformador se instala en un entorno interior con poca ventilaci\u00f3n o en zonas con temperaturas ambientales elevadas (como las regiones tropicales), ONAF puede compensar la falta de disipaci\u00f3n natural del calor mediante una refrigeraci\u00f3n por aire forzado, evitando as\u00ed que la temperatura del aceite alcance niveles excesivos que puedan afectar a su vida \u00fatil.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2182\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2182\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. \u00bfC\u00f3mo influye el sistema de refrigeraci\u00f3n del transformador de aleaci\u00f3n amorfa sumergido en aceite Kete en su rendimiento en diferentes condiciones clim\u00e1ticas? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2182\" class=\"elementor-element elementor-element-eb6a4dc e-con-full e-flex e-con e-child\" data-id=\"eb6a4dc\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5f1cf45 elementor-widget elementor-widget-text-editor\" data-id=\"5f1cf45\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El impacto de los sistemas de refrigeraci\u00f3n ONAN (refrigeraci\u00f3n por aire natural en inmersi\u00f3n en aceite) y ONAF (refrigeraci\u00f3n por aire forzado en inmersi\u00f3n en aceite) de los transformadores de aleaci\u00f3n amorfa en inmersi\u00f3n en aceite de Kete sobre su rendimiento en diferentes condiciones clim\u00e1ticas es el siguiente:<\/p><p>\u2460<strong>Repercusiones de un clima de altas temperaturas<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAN:<\/strong> Cuando la temperatura ambiente supera los 40 \u00b0C, la eficiencia de disipaci\u00f3n t\u00e9rmica del sistema de refrigeraci\u00f3n ONAN disminuye significativamente, pudiendo reducirse hasta aproximadamente 60%. Esto se debe a que las altas temperaturas reducen la viscosidad del aceite, lo que debilita su fluidez y, por lo tanto, disminuye la eficiencia de la disipaci\u00f3n t\u00e9rmica por convecci\u00f3n natural. En este punto, la temperatura de los devanados del transformador aumenta r\u00e1pidamente, lo que acelera el envejecimiento del aislamiento. Seg\u00fan la ley de Arrhenius, la vida \u00fatil del aislamiento se reduce a la mitad por cada aumento de 8 \u00b0C en la temperatura. Al mismo tiempo, las altas temperaturas provocan una disminuci\u00f3n de la permeabilidad magn\u00e9tica de las l\u00e1minas de acero al silicio y un aumento de las p\u00e9rdidas por corrientes par\u00e1sitas, lo que reduce la eficiencia energ\u00e9tica. Puede ser necesario reducir la potencia nominal del transformador; de lo contrario, existe riesgo de da\u00f1os en el aislamiento y de incendio.<\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAF:<\/strong> En entornos con altas temperaturas, el efecto de refrigeraci\u00f3n de los ventiladores del sistema de refrigeraci\u00f3n ONAF disminuye. Aunque la disipaci\u00f3n del calor puede mejorarse a\u00f1adiendo equipos de refrigeraci\u00f3n auxiliares, el rendimiento general sigue vi\u00e9ndose afectado en cierta medida. No obstante, en comparaci\u00f3n con el sistema de refrigeraci\u00f3n ONAN, el sistema ONAF, gracias a la disipaci\u00f3n activa del calor mediante ventiladores, alcanza una mayor eficiencia de disipaci\u00f3n t\u00e9rmica en las mismas condiciones de alta temperatura. Permite controlar mejor la temperatura de los devanados del transformador y retrasar el envejecimiento del aislamiento.<\/p><p>\u2461<strong>Repercusiones del clima de bajas temperaturas<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAN:<\/strong> En entornos de baja temperatura, como por ejemplo a temperaturas inferiores a -30 \u00b0C, la viscosidad del aceite de transformador aumenta considerablemente, lo que provoca una mayor resistencia a la circulaci\u00f3n. Esto puede provocar que se estanque la disipaci\u00f3n del calor o incluso que el aceite se solidifique (el punto de fluidez del aceite de transformador es de aproximadamente -45 \u00b0C). Adem\u00e1s, el agua disuelta en el aceite puede transformarse en cristales de hielo en suspensi\u00f3n, lo que aumenta el riesgo de descargas parciales. Durante la puesta en marcha en fr\u00edo, las tensiones mec\u00e1nicas pueden provocar grietas en las soldaduras o en el aislamiento debido a la fragilidad del material. Por lo tanto, a temperaturas extremadamente bajas, es necesario realizar un precalentamiento por encima de los 0 \u00b0C antes de la puesta en servicio.<\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAF:<\/strong> En entornos con bajas temperaturas, adem\u00e1s del problema del aumento de la viscosidad del aceite \u2014similar al de ONAN\u2014, el sistema de refrigeraci\u00f3n ONAF tambi\u00e9n se enfrenta al riesgo de que se forme hielo en los ventiladores. Esto puede afectar al funcionamiento normal de los ventiladores y reducir a\u00fan m\u00e1s la eficiencia de la disipaci\u00f3n del calor.<\/p><p>\u2462<strong>Efectos de un clima con alta humedad y niebla salina<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAN:<\/strong> En entornos con alta humedad, en los que esta supera el 90%, el contenido de humedad del papel aislante aumenta, lo que provoca una disminuci\u00f3n de la rigidez diel\u00e9ctrica de aproximadamente un 30% y reduce el rendimiento del aislamiento del transformador. En entornos con niebla salina, las uniones de los devanados se corroen, lo que aumenta la resistencia de contacto y provoca un sobrecalentamiento local, lo que afecta al funcionamiento normal y a la vida \u00fatil del transformador.<\/p><p><strong>\u00b7<\/strong><strong>Sistema de refrigeraci\u00f3n ONAF:<\/strong> Los climas con alta humedad y niebla salina afectan al sistema de refrigeraci\u00f3n ONAF de forma similar a como lo hacen al ONAN, provocando principalmente una degradaci\u00f3n del rendimiento del aislamiento y la corrosi\u00f3n de los componentes. Sin embargo, dado que el sistema de refrigeraci\u00f3n ONAF est\u00e1 equipado con componentes giratorios, como los ventiladores, en entornos con alta humedad hay que prestar especial atenci\u00f3n a la prevenci\u00f3n de problemas como los cortocircuitos provocados por la humedad en los motores de los ventiladores.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2183\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2183\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. \u00bfCu\u00e1l es el criterio principal a la hora de elegir entre los m\u00e9todos de refrigeraci\u00f3n ONAN y ONAF para los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2183\" class=\"elementor-element elementor-element-8566f20 e-con-full e-flex e-con e-child\" data-id=\"8566f20\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d6f876c elementor-widget elementor-widget-text-editor\" data-id=\"d6f876c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La elecci\u00f3n entre los m\u00e9todos de refrigeraci\u00f3n ONAN (circulaci\u00f3n natural de aceite y refrigeraci\u00f3n natural por aire) y ONAF (circulaci\u00f3n natural de aceite y refrigeraci\u00f3n forzada por aire) para los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete se basa fundamentalmente en la adecuaci\u00f3n entre los requisitos de disipaci\u00f3n de calor del transformador y las condiciones reales de disipaci\u00f3n de calor. En concreto, puede evaluarse de forma exhaustiva a partir de los siguientes cinco aspectos clave:<\/p><p><strong>\u2460<\/strong><strong>Capacidad nominal del transformador y generaci\u00f3n de calor por p\u00e9rdidas<\/strong><\/p><p>Esta es la base m\u00e1s fundamental. El calor generado por un transformador proviene principalmente de las p\u00e9rdidas en el cobre (p\u00e9rdidas en carga) y de las p\u00e9rdidas en el hierro (p\u00e9rdidas en vac\u00edo). Cuanto mayor es la potencia, mayores son las p\u00e9rdidas y mayor es la necesidad de disipaci\u00f3n de calor:<\/p><p><strong>\u00b7<\/strong><strong>Transformadores de peque\u00f1a potencia (bajas p\u00e9rdidas):<\/strong><\/p><p>Cuando la potencia nominal es reducida (por ejemplo, \u2264500 kVA para la clase de 10 kV, \u22641000 kVA para la clase de 35 kV), el calor generado por las p\u00e9rdidas es escaso. El calor puede disiparse mediante la convecci\u00f3n natural del aceite del transformador (el aceite caliente asciende y el fr\u00edo desciende) y la convecci\u00f3n natural entre la carcasa o el radiador y el aire, sin necesidad de equipos de refrigeraci\u00f3n adicionales. Por lo tanto, se prefiere el sistema ONAN.<\/p><p><strong>\u00b7<\/strong><strong>Transformadores de capacidad media y grande (de altas p\u00e9rdidas):<\/strong><\/p><p>Cuando la potencia supera el rango anterior (por ejemplo, \u2265800 kVA para la clase de 10 kV, \u22651600 kVA para la clase de 35 kV), las p\u00e9rdidas aumentan significativamente y la tasa de disipaci\u00f3n natural del calor no puede igualar la generaci\u00f3n de calor. Esto puede provocar que la temperatura del aceite supere los l\u00edmites establecidos por la normativa nacional (normalmente, un aumento m\u00e1ximo de la temperatura del aceite \u226455 K o 60 K). En tales casos, es necesario utilizar ventiladores para forzar el flujo de aire y acelerar la disipaci\u00f3n del calor, por lo que se opta por el sistema ONAF.<\/p><p>\u2461<strong>Caracter\u00edsticas de carga de funcionamiento<\/strong><\/p><p>La tasa de carga real y el modo de funcionamiento del transformador influyen directamente en los requisitos de disipaci\u00f3n de calor:<\/p><p><strong>\u00b7<\/strong><strong>Baja tasa de carga o funcionamiento intermitente:<\/strong><\/p><p>Si el transformador funciona con una carga ligera durante un periodo prolongado (\u00edndice de carga &lt; 50%) o solo se pone en marcha durante picos de corta duraci\u00f3n (por ejemplo, los transformadores de distribuci\u00f3n rural), aunque su capacidad sea ligeramente superior, la generaci\u00f3n real de calor es baja. La capacidad natural de disipaci\u00f3n de calor de ONAN puede satisfacer la demanda, por lo que no es necesario malgastar energ\u00eda en ventiladores. Por ello, se opta por ONAN.<\/p><p><strong>\u00b7<\/strong><strong>Alta tasa de carga o funcionamiento continuo a plena carga:<\/strong><\/p><p>En el caso de los transformadores de los parques industriales, las redes de distribuci\u00f3n del n\u00facleo urbano y otros equipos que funcionan a plena carga durante largos periodos de tiempo o que presentan grandes fluctuaciones de carga (y que deben soportar sobrecargas a corto plazo), la generaci\u00f3n de calor sigue siendo elevada. El sistema ONAN no puede satisfacer los requisitos de disipaci\u00f3n de calor, por lo que es necesario el sistema ONAF de refrigeraci\u00f3n por aire forzado mediante ventiladores. Incluso durante una sobrecarga, los ventiladores pueden mejorar la capacidad de disipaci\u00f3n de calor (por lo general, admiten sobrecargas a corto plazo de 10%-20%). Por ello, se opta por el sistema ONAF.<\/p><p><strong>\u2462<\/strong><strong>Entorno de instalaci\u00f3n y condiciones de disipaci\u00f3n del calor<\/strong><\/p><p>Los factores ambientales influyen directamente en la eficacia de la disipaci\u00f3n natural del calor, por lo que es necesario adaptar los m\u00e9todos de refrigeraci\u00f3n en funci\u00f3n de cada situaci\u00f3n:<\/p><p><strong>\u00b7<\/strong><strong>Entornos bien ventilados y con temperaturas bajas:<\/strong><\/p><p>Si el transformador se instala en un espacio abierto al aire libre, en regiones de gran altitud (baja densidad del aire pero buena ventilaci\u00f3n) o en zonas fr\u00edas, la eficiencia de la disipaci\u00f3n de calor por convecci\u00f3n natural es elevada. Incluso si la capacidad se aproxima al valor cr\u00edtico, se puede dar prioridad a ONAN.<\/p><p><strong>\u00b7<\/strong><strong>Entornos con mala ventilaci\u00f3n y altas temperaturas:<\/strong><\/p><p>Si se instala en salas de distribuci\u00f3n cerradas, s\u00f3tanos, regiones tropicales o entornos industriales con elevada contaminaci\u00f3n por polvo o aceite, la disipaci\u00f3n natural del calor se ve obstaculizada. Incluso con una capacidad ligeramente inferior, la temperatura del aceite puede aumentar en exceso debido a las malas condiciones de disipaci\u00f3n del calor. En tales casos, es necesario pasar al modelo ONAF para compensar las deficiencias del entorno mediante un flujo de aire forzado generado por ventiladores.<\/p><p>\u2463<strong>Costes y requisitos de mantenimiento<\/strong><\/p><p>Existen diferencias significativas en los costes iniciales y en los costes de funcionamiento y mantenimiento entre los dos m\u00e9todos de refrigeraci\u00f3n:<\/p><p><strong>\u00b7<\/strong><strong>Ventajas de ONAN:<\/strong><\/p><p>No cuenta con ventiladores ni circuitos de control, lo que se traduce en una estructura m\u00e1s sencilla. El coste inicial de adquisici\u00f3n es bajo (entre 5% y 10% inferior al del ONAF de la misma capacidad) y no requiere mantenimiento del motor, por lo que los costes de funcionamiento y mantenimiento a largo plazo son pr\u00e1cticamente nulos. Es adecuado para situaciones en las que el coste es un factor importante y los recursos de mantenimiento son limitados (por ejemplo, redes el\u00e9ctricas rurales o peque\u00f1os transformadores de usuario).<\/p><p><strong>\u00b7<\/strong><strong>Desventajas y necesidad de la ONAF:<\/strong><\/p><p>Requiere una configuraci\u00f3n adicional de ventiladores, termostatos y circuitos el\u00e9ctricos, lo que conlleva unos costes iniciales m\u00e1s elevados. Los motores de los ventiladores necesitan una inspecci\u00f3n peri\u00f3dica (limpieza de polvo, lubricaci\u00f3n de cojinetes), lo que implica una cierta carga de trabajo de mantenimiento y un consumo de energ\u00eda (la potencia de los ventiladores suele oscilar entre decenas y cientos de vatios). Sin embargo, en el caso de los transformadores de capacidad media y grande, o de aquellos con condiciones de disipaci\u00f3n de calor insuficientes, es necesario asumir estos costes para garantizar un funcionamiento seguro. Por lo tanto, el sistema ONAF es una \u201copci\u00f3n necesaria\u201d m\u00e1s que una \u201copci\u00f3n basada en la prioridad de costes\u201d.\u201d<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2184\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2184\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. \u00bfCu\u00e1l es la vida \u00fatil de los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete?  <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2184\" class=\"elementor-element elementor-element-3b6302b e-con-full e-flex e-con e-child\" data-id=\"3b6302b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4da9555 elementor-widget elementor-widget-text-editor\" data-id=\"4da9555\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Seg\u00fan las normas internacionales (como la IEC 60076), la vida \u00fatil prevista de los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete suele calcularse en 20 a\u00f1os. Se trata de la vida \u00fatil prevista en condiciones ideales de \u201cfuncionamiento normal + mantenimiento peri\u00f3dico\u201d, lo que se refiere al tiempo que tardan los componentes principales (n\u00facleo de hierro, bobinados, aceite aislante) en envejecer hasta alcanzar un estado cr\u00edtico dentro de los par\u00e1metros de dise\u00f1o.<\/p><p>Rango de referencia pr\u00e1ctico en el sector: En la red el\u00e9ctrica real o en aplicaciones industriales, se trata de un indicador din\u00e1mico que se ve afectado por m\u00faltiples factores, como las normas de dise\u00f1o, las condiciones de funcionamiento y los niveles de mantenimiento. La vida \u00fatil de los transformadores suele oscilar entre los 20 y los 40 a\u00f1os.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2185\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2185\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 6. \u00bfCu\u00e1les son los factores que influyen en la vida \u00fatil de los transformadores de aleaci\u00f3n amorfa Kete sumergidos en aceite? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2185\" class=\"elementor-element elementor-element-d41fa9f e-con-full e-flex e-con e-child\" data-id=\"d41fa9f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0fd938a elementor-widget elementor-widget-text-editor\" data-id=\"0fd938a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El principal factor que limita la vida \u00fatil de los transformadores Kete es la tasa de envejecimiento de su sistema de aislamiento (que incluye el papel aislante de los devanados, el aceite aislante y los componentes aislantes), la cual viene determinada por los siguientes factores:<\/p><p><strong>\u2460<\/strong><strong>Temperatura de funcionamiento (el factor m\u00e1s importante)<\/strong><\/p><p>\u00b7La velocidad de envejecimiento de los materiales aislantes, especialmente del aislamiento de papel, guarda una relaci\u00f3n exponencial con la temperatura. Seg\u00fan la \u201cley del envejecimiento t\u00e9rmico\u201d, la vida \u00fatil del aislamiento se reduce a la mitad por cada aumento de 6-8 \u2103 en la temperatura.<\/p><p>\u00b7Durante el funcionamiento normal, el l\u00edmite m\u00e1ximo de aumento de la temperatura del aceite en la parte superior de los transformadores sumergidos en aceite suele ser de 55 K (temperatura ambiente + 55 \u2103). El funcionamiento prolongado a temperaturas excesivas (por ejemplo, cuando la temperatura m\u00e1xima del aceite supera los 80 \u2103) acelera la fragilizaci\u00f3n del papel aislante y la degradaci\u00f3n del aceite aislante, lo que acorta significativamente la vida \u00fatil.<\/p><p>Por ejemplo, si un transformador que funciona a plena carga o en sobrecarga durante un periodo prolongado sufre un fallo en el sistema de refrigeraci\u00f3n que provoca un sobrecalentamiento, su vida \u00fatil puede reducirse de 30 a\u00f1os a menos de 15 a\u00f1os.<\/p><p><strong>\u2461<\/strong><strong>Calidad y estado del aceite aislante<\/strong><\/p><p>\u00b7El aceite aislante tiene como funci\u00f3n principal el aislamiento y la disipaci\u00f3n del calor, y el deterioro de sus prestaciones afecta directamente a la vida \u00fatil del sistema de aislamiento.<\/p><p>\u00b7El exceso de humedad, el aumento del \u00edndice de acidez, la acumulaci\u00f3n de impurezas o la formaci\u00f3n de lodos en el aceite reducen la resistencia diel\u00e9ctrica y aceleran la corrosi\u00f3n y el envejecimiento de los devanados.<\/p><p>\u00b7Si no se filtra, regenera o sustituye el aceite con regularidad (por lo general, se recomienda realizar una comprobaci\u00f3n cada 3-5 a\u00f1os y sustituirlo o regenerarlo cada 10-15 a\u00f1os), se producir\u00e1 un fallo prematuro del sistema de aislamiento.<\/p><p><strong>\u2462<\/strong><strong>Materiales de papel y cart\u00f3n aislantes<\/strong><\/p><p>\u00b7Papel aislante de pasta de madera com\u00fan: su clase de resistencia a la temperatura es la Clase A (temperatura m\u00e1xima admisible: 105 \u2103). Es propenso a la hidr\u00f3lisis en entornos con temperaturas superiores a 65 \u2103, y tiene una vida \u00fatil de aproximadamente 15-20 a\u00f1os.<\/p><p>\u00b7Papel aislante de celulosa pura: presenta una mayor resistencia a la hidr\u00f3lisis y a la oxidaci\u00f3n, y su vida \u00fatil puede prolongarse hasta los 25-30 a\u00f1os.<\/p><p>\u00b7Papel aislante resistente a altas temperaturas (por ejemplo, papel NOMEX): su clase de resistencia a la temperatura alcanza la Clase H (180 \u2103). Puede soportar fluctuaciones de temperatura m\u00e1s elevadas, lo que lo hace adecuado para situaciones de altas temperaturas o sobrecargas frecuentes, con una vida \u00fatil de m\u00e1s de 30 a\u00f1os.<\/p><p>\u2463<strong>Caracter\u00edsticas de carga y condiciones de funcionamiento<\/strong><\/p><p>\u00b7Las cargas elevadas prolongadas, las sobrecargas frecuentes o los efectos de los cortocircuitos provocan el sobrecalentamiento de los devanados y un aumento de la tensi\u00f3n mec\u00e1nica, lo que acelera la fatiga del aislamiento:<\/p><p>Las redes el\u00e9ctricas rurales o los transformadores industriales que soportan con frecuencia sobrecargas de corta duraci\u00f3n (por ejemplo, los picos de potencia al arrancar los motores) son propensos al envejecimiento del aislamiento de los devanados debido a los ciclos t\u00e9rmicos y a las vibraciones mec\u00e1nicas.<\/p><p>\u00b7Las aver\u00edas por cortocircuito (por ejemplo, los cortocircuitos en la l\u00ednea que hacen que los transformadores soporten enormes corrientes de cortocircuito) pueden provocar la deformaci\u00f3n de los devanados y da\u00f1os en el aislamiento. Incluso tras la reparaci\u00f3n, pueden quedar riesgos ocultos que acorten la vida \u00fatil restante.<\/p><p>\u2464<strong>Condiciones ambientales<\/strong><\/p><p>\u00b7El entorno de instalaci\u00f3n influye directamente en la velocidad de deterioro del aislamiento y de los componentes.<\/p><p>\u00b7Los entornos h\u00famedos, con altas temperaturas o muy contaminados (con polvo o gases qu\u00edmicamente corrosivos) aceleran la absorci\u00f3n de humedad por parte del aislamiento, la degradaci\u00f3n del aceite y la oxidaci\u00f3n de las piezas met\u00e1licas.<\/p><p>\u00b7En zonas de gran altitud (donde el aire es m\u00e1s enrarecido y la disipaci\u00f3n del calor es deficiente), una disipaci\u00f3n insuficiente del calor puede provocar un sobrecalentamiento si el transformador no est\u00e1 dise\u00f1ado espec\u00edficamente para ello.<\/p><p>Los lugares con fuertes vibraciones (por ejemplo, naves industriales cercanas a bombas o ventiladores) agravan el aflojamiento de los devanados y el desgaste del aislamiento.<\/p><p>\u2465<strong>Nivel de mantenimiento<\/strong><\/p><p>\u00b7La falta de inspecciones peri\u00f3dicas (como los an\u00e1lisis de la calidad del aceite, las pruebas de resistencia de aislamiento y la detecci\u00f3n de descargas parciales) impide detectar las aver\u00edas en una fase temprana, lo que hace que los problemas menores se conviertan en defectos graves.<\/p><p>\u00b7Las aver\u00edas no reparadas en los sistemas de refrigeraci\u00f3n (ventiladores, bombas de aceite) reducen la eficiencia de la disipaci\u00f3n del calor y provocan un aumento de la temperatura.<\/p><p>\u00b7El descuido en el mantenimiento de accesorios como los casquillos y los cambiadores de tomas puede provocar un sobrecalentamiento local o la rotura del aislamiento, lo que afecta indirectamente a la vida \u00fatil total.<\/p><p><strong>\u2466<\/strong><strong>Proceso de fabricaci\u00f3n<\/strong><\/p><p>\u00b7Las rebabas excesivas en los bordes del n\u00facleo de hierro y las laminaciones desalineadas provocar\u00e1n un aumento de las p\u00e9rdidas en vac\u00edo y un sobrecalentamiento local, lo que acelera indirectamente el envejecimiento del aislamiento; si el proceso de recocido del n\u00facleo de hierro no cumple con las normas, provocar\u00e1 una disminuci\u00f3n de la permeabilidad magn\u00e9tica del n\u00facleo de hierro y un aumento de las p\u00e9rdidas.<\/p><p>\u00b7Una disposici\u00f3n irregular de los hilos del bobinado provocar\u00e1 una tensi\u00f3n insuficiente de los bobinados, un aumento de las vibraciones durante el funcionamiento y el desgaste del papel aislante; un proceso de impregnaci\u00f3n deficiente de los bobinados dar\u00e1 lugar a huecos de aire en su interior, lo que provocar\u00e1 descargas parciales y da\u00f1ar\u00e1 el aislamiento.<\/p><p>\u00b7Los poros de arena en las juntas soldadas del dep\u00f3sito de aceite y unas pruebas de estanqueidad inadecuadas provocar\u00e1n fugas de aceite durante el funcionamiento; un dise\u00f1o inadecuado del radiador y una superficie de disipaci\u00f3n de calor insuficiente dar\u00e1n lugar a una temperatura elevada del aceite en la parte superior del transformador y acelerar\u00e1n el envejecimiento del aislamiento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2186\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2186\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 7. \u00bfC\u00f3mo se deben mantener los transformadores para maximizar la vida \u00fatil de los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2186\" class=\"elementor-element elementor-element-09a50ce e-con-full e-flex e-con e-child\" data-id=\"09a50ce\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2187\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"8\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2187\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 8. \u00bfQu\u00e9 tipo de aceite se utiliza en los transformadores de Kete sumergidos en aceite? \u00bfQu\u00e9 ventajas presenta este tipo de aceite? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2187\" class=\"elementor-element elementor-element-a831a3e e-con-full e-flex e-con e-child\" data-id=\"a831a3e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72df141 elementor-widget elementor-widget-text-editor\" data-id=\"72df141\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El aceite mineral aislante de los transformadores sumergidos en aceite de Kete desempe\u00f1a m\u00faltiples funciones fundamentales para garantizar un funcionamiento seguro y estable de los transformadores.<\/p><p><strong>\u2460<\/strong><strong>Excelente rendimiento aislante para la seguridad el\u00e9ctrica<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Alta resistencia a la rotura:<\/strong> La tensi\u00f3n de ruptura del aceite aislante mineral suele ser superior a 30 kV (los productos de alta calidad pueden superar los 50 kV), lo que supera con creces la del aire (aproximadamente 3 kV\/mm). Esto a\u00edsla eficazmente los conductores con diferentes potenciales y evita las aver\u00edas por cortocircuito provocadas por la ruptura del aislamiento.<\/p><p><strong>\u00b7<\/strong><strong>Baja p\u00e9rdida diel\u00e9ctrica y alta resistividad volum\u00e9trica:<\/strong> Presenta un factor de p\u00e9rdida diel\u00e9ctrica (tan\u03b4) reducido, lo que se traduce en una baja p\u00e9rdida de energ\u00eda bajo campos el\u00e9ctricos y una menor generaci\u00f3n de calor. Por otra parte, su elevada resistividad volum\u00e9trica (normalmente &gt;10\u00b9\u2074 \u03a9\u30fbcm) minimiza la corriente de fuga, lo que mejora a\u00fan m\u00e1s la fiabilidad del aislamiento.<\/p><p><strong>\u00b7<\/strong><strong>Rellenar los huecos en el aislamiento:<\/strong> Los materiales aislantes s\u00f3lidos, como el papel aislante y el cart\u00f3n, que se encuentran en el interior de los transformadores, presentan poros min\u00fasculos. El aceite aislante mineral puede penetrar en estos poros, rellenar los huecos de aire, evitar las descargas parciales provocadas por la ionizaci\u00f3n del aire y mejorar la rigidez diel\u00e9ctrica global del sistema de aislamiento.<\/p><p><strong>\u2461<\/strong><strong>Disipaci\u00f3n eficiente del calor para mantener un aumento estable de la temperatura del equipo<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Buena conductividad t\u00e9rmica:<\/strong> Su conductividad t\u00e9rmica es de aproximadamente 0,12-0,15 W\/(m\u30fbK), mucho mayor que la del aire (alrededor de 0,026 W\/(m\u30fbK)), lo que le permite absorber r\u00e1pidamente el calor generado por los devanados y los n\u00facleos de hierro.<\/p><p><strong>\u00b7<\/strong><strong>Enfriamiento por circulaci\u00f3n por convecci\u00f3n:<\/strong> El aceite aislante calentado reduce su densidad, asciende de forma natural hasta el radiador situado en la parte superior del transformador, intercambia calor con el aire a trav\u00e9s del radiador, se enfr\u00eda y desciende, creando as\u00ed una circulaci\u00f3n que evacua continuamente el calor del equipo.<\/p><p><strong>\u00b7<\/strong><strong>Sinergia con los sistemas de refrigeraci\u00f3n:<\/strong> En los transformadores de gran tama\u00f1o, el aceite aislante mineral puede combinarse con sistemas de refrigeraci\u00f3n por circulaci\u00f3n forzada de aceite (como bombas de aceite y ventiladores de refrigeraci\u00f3n) para mejorar a\u00fan m\u00e1s la eficiencia de la disipaci\u00f3n del calor, satisfaciendo as\u00ed las necesidades de un funcionamiento a alta carga.<\/p><p><strong>\u2462<\/strong><strong>Gran estabilidad qu\u00edmica para prolongar la vida \u00fatil de los equipos<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Excelente resistencia a la oxidaci\u00f3n:<\/strong> El aceite mineral aislante refinado (por ejemplo, derivado de petr\u00f3leo crudo naft\u00e9nico o paraf\u00ednico) contiene pocas impurezas, como azufre y nitr\u00f3geno. No se oxida f\u00e1cilmente a altas temperaturas para formar \u00e1cidos, coloides o lodos, lo que reduce la corrosi\u00f3n y la obstrucci\u00f3n de los materiales aislantes.<\/p><p><strong>\u00b7<\/strong><strong>Baja volatilidad:<\/strong> Tiene un punto de ebullici\u00f3n elevado y una baja volatilidad, por lo que no es propenso a la p\u00e9rdida de aceite ni a la degradaci\u00f3n del rendimiento debido a la volatilizaci\u00f3n durante el funcionamiento a largo plazo, lo que reduce la frecuencia de mantenimiento.<\/p><p><strong>\u00b7<\/strong><strong>Buena compatibilidad con el aislamiento s\u00f3lido:<\/strong> Es perfectamente compatible con los materiales que se utilizan habitualmente en los transformadores, como el papel de celulosa y el cart\u00f3n aislante, sin provocar reacciones qu\u00edmicas que causen el envejecimiento de los materiales, lo que contribuye a mantener la estabilidad del sistema de aislamiento.<\/p><p><strong>\u2463<\/strong><strong>Extinci\u00f3n y protecci\u00f3n del arco para mejorar la seguridad operativa<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Funci\u00f3n de extinci\u00f3n del arco:<\/strong> Cuando se genera un arco el\u00e9ctrico, el aceite se descompone en gases como el hidr\u00f3geno y el metano, que pueden absorber la energ\u00eda del arco. Al mismo tiempo, el flujo de aceite puede enfriar la zona del arco, lo que permite extinguirlo r\u00e1pidamente y evitar que la aver\u00eda se agrave.<\/p><p><strong>\u00b7<\/strong><strong>Aislamiento del aire y la humedad:<\/strong> La capa de aceite recubre la superficie de los componentes internos, aisl\u00e1ndolos del ox\u00edgeno y la humedad del aire, lo que evita la oxidaci\u00f3n de los componentes met\u00e1licos \u2014como los n\u00facleos de hierro y los devanados\u2014 provocada por la humedad y reduce el riesgo de deterioro del aislamiento.<\/p><p><strong>\u00b7<\/strong><strong>Portador de diagn\u00f3stico de aver\u00edas:<\/strong> El aceite aislante genera gases caracter\u00edsticos (como el acetileno y el hidr\u00f3geno) durante las aver\u00edas. Mediante la tecnolog\u00eda de an\u00e1lisis de gases disueltos (DGA), es posible detectar con antelaci\u00f3n posibles aver\u00edas, lo que sirve de base para la evaluaci\u00f3n del estado de los equipos y su mantenimiento.<\/p><p><strong>\u2464<\/strong><strong>Ventajas en cuanto a econom\u00eda y practicidad<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Coste controlable:<\/strong> El aceite mineral aislante cuenta con numerosas fuentes de materia prima (procedentes del refinado del petr\u00f3leo), procesos de producci\u00f3n consolidados y precios relativamente bajos, lo que lo hace adecuado para aplicaciones a gran escala en diversos transformadores (desde transformadores de distribuci\u00f3n hasta transformadores de ultraalta tensi\u00f3n).<\/p><p><strong>\u00b7<\/strong><strong>Mantenimiento sencillo: <\/strong>Durante el funcionamiento normal, solo es necesario realizar un control peri\u00f3dico de la calidad del aceite (como la humedad, la p\u00e9rdida diel\u00e9ctrica y la tensi\u00f3n de ruptura). Si fuera necesario, los tratamientos de filtraci\u00f3n y regeneraci\u00f3n pueden restablecer su rendimiento, con unos costes de mantenimiento inferiores a los de algunos aceites aislantes sint\u00e9ticos.<\/p><p><strong>\u00b7<\/strong><strong>Gran capacidad de adaptaci\u00f3n:<\/strong> Es capaz de mantener un rendimiento estable en un amplio rango de temperaturas (por ejemplo, buena fluidez a bajas temperaturas y resistencia al deterioro a altas temperaturas), adapt\u00e1ndose a las necesidades operativas de las distintas regiones clim\u00e1ticas.<\/p><p>El aceite aislante mineral proporciona una protecci\u00f3n operativa integral a los transformadores gracias a sus cuatro funciones principales: aislamiento, disipaci\u00f3n del calor, estabilidad qu\u00edmica y protecci\u00f3n contra la extinci\u00f3n de arcos el\u00e9ctricos. Se trata de un material clave e indispensable en los sistemas el\u00e9ctricos. Su rendimiento est\u00e1 directamente relacionado con la vida \u00fatil, la eficiencia y la seguridad de los transformadores, por lo que sigue siendo predominante en el sector el\u00e9ctrico (aunque los aceites aislantes sint\u00e9ticos se utilizan cada vez m\u00e1s en situaciones espec\u00edficas, el aceite mineral sigue siendo una de las opciones m\u00e1s rentables).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2188\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"9\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2188\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 9. \u00bfQu\u00e9 medidas de protecci\u00f3n incorpora el transformador de aceite Kete contra sobrecargas, sobrecalentamiento y cortocircuitos? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2188\" class=\"elementor-element elementor-element-5fb1d72 e-con-full e-flex e-con e-child\" data-id=\"5fb1d72\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f1b9a3 elementor-widget elementor-widget-text-editor\" data-id=\"9f1b9a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Los transformadores Kete sumergidos en aceite suelen incorporar medidas de protecci\u00f3n de varios niveles, que abarcan el dise\u00f1o de autoprotecci\u00f3n interna, los dispositivos de monitorizaci\u00f3n externos y los sistemas de protecci\u00f3n por rel\u00e9s.<\/p><p><strong>\u2460<\/strong><strong>Medidas de protecci\u00f3n contra la \u201csobrecarga\u201d<\/strong><\/p><p>Por \u00absobrecarga\u00bb se entiende la situaci\u00f3n en la que la corriente de carga del transformador supera el valor nominal durante un periodo prolongado o breve, lo que puede provocar el sobrecalentamiento de los devanados y un envejecimiento acelerado del aislamiento. Las principales medidas de protecci\u00f3n son las siguientes:<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n contra sobrecargas (sistema de protecci\u00f3n por rel\u00e9s)<\/strong><\/p><p>Principio: La corriente de carga del transformador se supervisa mediante transformadores de corriente. Cuando la corriente supera un m\u00faltiplo determinado del valor nominal (por ejemplo, entre 1,2 y 1,5 veces) y se mantiene durante un umbral establecido, se activa la acci\u00f3n de protecci\u00f3n.<\/p><p><strong>\u00b7<\/strong><strong>Dise\u00f1o de la protecci\u00f3n t\u00e9rmica interna<\/strong><strong>: <\/strong>Incluye la selecci\u00f3n de conductores de bobinado y la optimizaci\u00f3n de la estructura de disipaci\u00f3n de calor: la capacidad natural de disipaci\u00f3n de calor se mejora aumentando el volumen del dep\u00f3sito de aceite y optimizando la disposici\u00f3n de las aletas de refrigeraci\u00f3n, lo que mitiga el aumento de temperatura durante las sobrecargas.<\/p><p><strong>\u2461<\/strong><strong>Medidas de protecci\u00f3n contra el \u201csobrecalentamiento\u201d<\/strong><\/p><p>El sobrecalentamiento puede deberse a una sobrecarga, a una p\u00e9rdida de n\u00facleo excesiva o a fallos en el sistema de refrigeraci\u00f3n, lo que requiere una supervisi\u00f3n en tiempo real y una respuesta r\u00e1pida:<\/p><p><strong>\u00b7<\/strong><strong>Dispositivos de control de temperatura<\/strong><\/p><p>Term\u00f3metro de temperatura del aceite: Mide directamente la temperatura superior del aceite en el dep\u00f3sito. Se activa una alarma cuando la temperatura del aceite supera los 85 \u00b0C (valor de ajuste habitual).<\/p><p>Term\u00f3metro de devanado: simula la temperatura del punto m\u00e1s caliente del devanado (combinando la temperatura del aceite y la corriente de carga). La protecci\u00f3n se activa cuando la temperatura del punto m\u00e1s caliente supera los 105 \u00b0C.<\/p><p>Medici\u00f3n de temperatura mediante fibra \u00f3ptica: En los transformadores de gran tama\u00f1o, se utilizan sensores de fibra \u00f3ptica para medir directamente las temperaturas de los puntos calientes de los devanados o los n\u00facleos, lo que ofrece una mayor precisi\u00f3n y una respuesta m\u00e1s r\u00e1pida.<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n del sistema de refrigeraci\u00f3n<\/strong><\/p><p>Asistencia a la refrigeraci\u00f3n forzada: Los transformadores de mayor capacidad est\u00e1n equipados con sistemas de refrigeraci\u00f3n por aire con circulaci\u00f3n forzada de aceite (OFAF) o de refrigeraci\u00f3n por agua. Estos sistemas se activan autom\u00e1ticamente cuando la temperatura del aceite aumenta para mejorar la disipaci\u00f3n del calor; si el sistema de refrigeraci\u00f3n falla (por ejemplo, si se detiene un ventilador), se activa una alarma o se reduce la carga.<\/p><p>Rel\u00e9 Buchholz: Puede producirse una ligera emisi\u00f3n de gas cuando la elevada temperatura del aceite provoca su descomposici\u00f3n y genera una peque\u00f1a cantidad de gas, lo que activa una alarma para que se comprueben las causas del sobrecalentamiento.<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n contra sobrecorriente por sobrecalentamiento<\/strong><\/p><p>Cuando la temperatura sigue aumentando hasta alcanzar un nivel peligroso (por ejemplo, si la temperatura del aceite supera los 95 \u00b0C o la temperatura en el punto m\u00e1s caliente del devanado supera los 120 \u00b0C), el sistema de protecci\u00f3n corta directamente el suministro el\u00e9ctrico del transformador para evitar la ruptura del aislamiento.<\/p><p><strong>\u2462<\/strong><strong>Medidas de protecci\u00f3n contra los \u201ccortocircuitos\u201d<\/strong><\/p><p>Los cortocircuitos (incluidos los cortocircuitos internos en los devanados y los cortocircuitos externos en las tomas de corriente) generan corrientes muy intensas que pueden da\u00f1ar instant\u00e1neamente el transformador, lo que requiere un r\u00e1pido aislamiento de la aver\u00eda:<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n diferencial (protecci\u00f3n principal)<\/strong><\/p><p>Principio: Bas\u00e1ndose en el principio de que \u201cla corriente que entra en el transformador es igual a la corriente que sale de \u00e9l\u201d, se mide la diferencia de corriente mediante transformadores de corriente situados a ambos lados. Se detecta un cortocircuito interno cuando la corriente diferencial supera el valor establecido.<\/p><p>Caracter\u00edsticas: Act\u00faa r\u00e1pidamente (normalmente en unas decenas de milisegundos) y es capaz de distinguir eficazmente entre cortocircuitos internos y fallos externos, lo que lo convierte en el elemento central de la protecci\u00f3n contra cortocircuitos del transformador.<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n Buchholz (exclusiva para cortocircuitos internos)<\/strong><\/p><p>Acci\u00f3n por exceso de gas: Cuando se produce un cortocircuito en un devanado interno, las altas temperaturas generadas por la corriente de cortocircuito provocan una intensa descomposici\u00f3n del aceite, lo que genera una gran cantidad de gas. Esto hace que el rel\u00e9 de Buchholz se active, lo que desencadena una desconexi\u00f3n instant\u00e1nea para cortar el suministro el\u00e9ctrico y evitar que la aver\u00eda se agrave.<\/p><p>Escenario de aplicaci\u00f3n: Especialmente indicado para fallos internos, como cortocircuitos entre espiras o entre capas del devanado, y constituye un complemento importante de la protecci\u00f3n diferencial.<\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n contra sobrecorriente (protecci\u00f3n de respaldo)<\/strong><\/p><p>Protecci\u00f3n contra cortocircuitos externos: Cuando se produce un cortocircuito externo (por ejemplo, un cortocircuito en una toma de corriente), la protecci\u00f3n contra sobrecorriente detecta la sobrecorriente y se activa con un retardo (el cual debe evitar la duraci\u00f3n del impacto de la corriente de cortocircuito), lo que evita que el transformador tenga que soportar corrientes de cortocircuito prolongadas.<\/p><p>Protecci\u00f3n instant\u00e1nea contra sobrecorriente: En caso de cortocircuitos externos a corta distancia, la protecci\u00f3n instant\u00e1nea contra sobrecorriente puede activarse sin demora para aislar r\u00e1pidamente la aver\u00eda.<\/p><p><strong>\u00b7<\/strong><strong>Medidas de limitaci\u00f3n de la corriente<\/strong><\/p><p>Dise\u00f1o de la impedancia de cortocircuito: Los devanados se dise\u00f1an con una impedancia de cortocircuito espec\u00edfica para limitar la amplitud de las corrientes de cortocircuito, lo que reduce la tensi\u00f3n mec\u00e1nica que sufren los devanados y los n\u00facleos a causa de los impactos de cortocircuito.<\/p><p>Refuerzo mec\u00e1nico del bobinado: Se utiliza una estructura de bobinado robusta (por ejemplo, fijaci\u00f3n del aislamiento reforzado, fijaci\u00f3n con tiras de soporte) para mejorar la resistencia mec\u00e1nica frente a los impactos de cortocircuito.<\/p><p><strong>\u2463<\/strong><strong>Protecci\u00f3n integral y medidas complementarias<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Protecci\u00f3n de puesta a tierra:<\/strong> El punto neutro del transformador est\u00e1 conectado a tierra o se conecta a tierra a trav\u00e9s de una bobina supresora de arcos. En caso de cortocircuito a tierra monof\u00e1sico, la protecci\u00f3n contra corrientes de secuencia cero detecta la falla y se activa para evitar da\u00f1os en los equipos debidos a sobretensiones.<\/p><p><strong>\u00b7<\/strong><strong>Coordinaci\u00f3n de la protecci\u00f3n mediante copias de seguridad:<\/strong> La protecci\u00f3n contra sobrecargas, la protecci\u00f3n contra sobrecorrientes, etc., act\u00faan como sistemas de respaldo para ofrecer seguridad cuando falla la protecci\u00f3n principal, formando as\u00ed una defensa en varias capas compuesta por \u201cprotecci\u00f3n principal + protecci\u00f3n de respaldo\u201d.\u201d<\/p><p><strong>\u00b7<\/strong><strong>Sistema de seguimiento en l\u00ednea:<\/strong> Los transformadores inteligentes est\u00e1n equipados con dispositivos de monitorizaci\u00f3n del estado que recogen datos en tiempo real sobre la temperatura del aceite, el nivel de aceite, la composici\u00f3n del gas, las descargas parciales, etc. Mediante el an\u00e1lisis de los datos se predicen posibles fallos, lo que permite alertar con antelaci\u00f3n de los riesgos de cortocircuito o sobrecalentamiento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2189\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"10\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2189\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 10. \u00bfQu\u00e9 aspectos de los transformadores de aceite Kete se pueden personalizar? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2189\" class=\"elementor-element elementor-element-8387c87 e-con-full e-flex e-con e-child\" data-id=\"8387c87\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8e6122e elementor-widget elementor-widget-text-editor\" data-id=\"8e6122e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Los transformadores Kete sumergidos en aceite pueden personalizarse en m\u00faltiples aspectos para satisfacer las necesidades espec\u00edficas de los distintos clientes.<\/p><p><strong>\u2460<\/strong><strong>Potencia nominal y relaci\u00f3n de transformaci\u00f3n:<\/strong> En funci\u00f3n de las necesidades de consumo el\u00e9ctrico del cliente, es posible ajustar la potencia nominal y la relaci\u00f3n de transformaci\u00f3n del transformador para garantizar una tensi\u00f3n de salida adecuada y satisfacer las necesidades de las distintas cargas.<\/p><p><strong>\u2461<\/strong><strong>Dimensiones totales:<\/strong> Si el espacio de instalaci\u00f3n del cliente es limitado, los fabricantes pueden personalizar los transformadores con dimensiones especiales en funci\u00f3n de las condiciones reales, para que se adapten mejor al entorno de instalaci\u00f3n.<\/p><p><strong>\u2462<\/strong><strong>Accesorios y m\u00e9todos de cableado:<\/strong> Se pueden suministrar los accesorios correspondientes, como cajas de derivaci\u00f3n, sondas de temperatura y rel\u00e9s de gas, seg\u00fan los requisitos del cliente, y se pueden dise\u00f1ar m\u00e9todos de cableado adecuados para facilitar la instalaci\u00f3n y el uso por parte de los clientes.<\/p><p><strong>\u2463<\/strong><strong>Material de bobinado:<\/strong> Algunos transformadores sumergidos en aceite ofrecen dos materiales para los devanados \u2014totalmente de cobre y totalmente de aluminio\u2014 entre los que los usuarios pueden elegir. Los transformadores totalmente de cobre presentan una buena conductividad el\u00e9ctrica y t\u00e9rmica, lo que permite reducir la resistencia y el aumento de temperatura; por su parte, los transformadores totalmente de aluminio son m\u00e1s ligeros y ofrecen una excelente resistencia a la corrosi\u00f3n.<\/p><p><strong>\u2464<\/strong><strong>Material aislante:<\/strong> Se pueden seleccionar materiales aislantes resistentes a altas temperaturas para cumplir los requisitos de rendimiento del aislamiento en entornos o condiciones de funcionamiento especiales, mejorando as\u00ed la fiabilidad y la vida \u00fatil del transformador.<\/p><p><strong>\u2465<\/strong><strong>Nivel de protecci\u00f3n:<\/strong> En determinados entornos de aplicaci\u00f3n especiales, como zonas con altas temperaturas, alta humedad, contaminaci\u00f3n o plataformas mar\u00edtimas, es posible mejorar el nivel de protecci\u00f3n del transformador mediante un dise\u00f1o especial que le permita adaptarse a condiciones de funcionamiento adversas.<\/p><p><strong>\u2466<\/strong><strong>M\u00e9todo de disipaci\u00f3n del calor:<\/strong> En funci\u00f3n de la capacidad y las condiciones de uso del transformador, es posible optimizar el dise\u00f1o de disipaci\u00f3n del calor. Por ejemplo, se puede recurrir a un dise\u00f1o especial de los canales de aceite, aumentar el n\u00famero de aletas de refrigeraci\u00f3n o adoptar un sistema de refrigeraci\u00f3n por aire forzado para mejorar la eficiencia de la disipaci\u00f3n del calor y reducir el aumento de temperatura del transformador.<\/p><p><strong>\u2467<\/strong><strong>Estructura de bobinado:<\/strong> Por ejemplo, en el caso de los devanados de baja tensi\u00f3n y alta intensidad, se puede utilizar un devanado de l\u00e1mina de cobre. Por un lado, reduce el flujo de fuga transversal del devanado, lo que disminuye las p\u00e9rdidas por corrientes par\u00e1sitas; por otro lado, mejora la capacidad del transformador para soportar cortocircuitos repentinos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0ff856d elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"0ff856d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2161.<\/strong><strong>Mantenimiento posventa<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-35cf19d elementor-widget elementor-widget-n-accordion\" data-id=\"35cf19d\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abre los enlaces con la tecla Intro o la barra espaciadora, ci\u00e9rralos con la tecla Esc y navega con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5640\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5640\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. \u00bfQu\u00e9 incluye la cobertura de la garant\u00eda de Kete durante el periodo de garant\u00eda? \u00bfY qui\u00e9n corre con los gastos? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5640\" class=\"elementor-element elementor-element-8db37d5 e-con-full e-flex e-con e-child\" data-id=\"8db37d5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-87480e7 elementor-widget elementor-widget-text-editor\" data-id=\"87480e7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>La cobertura de la garant\u00eda de nuestra empresa incluye fallos de funcionamiento causados por defectos de material o problemas en el proceso de fabricaci\u00f3n, tales como fugas de agua en la carcasa, fallos en el aislamiento, funcionamiento an\u00f3malo de los interruptores, etc.<\/p><p>Proporcionamos piezas de recambio para el mantenimiento de forma gratuita y, en caso necesario, enviaremos personal t\u00e9cnico para realizar inspecciones y reparaciones in situ; los gastos de desplazamiento correr\u00e1n a cargo del proveedor.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5641\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5641\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. \u00bfProporcionar\u00e1 Kete documentos con instrucciones para la instalaci\u00f3n? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5641\" class=\"elementor-element elementor-element-f40cd7f e-con-full e-flex e-con e-child\" data-id=\"f40cd7f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2f33eab elementor-widget elementor-widget-text-editor\" data-id=\"2f33eab\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>En el caso de los transformadores de gran tama\u00f1o que requieran la retirada de algunos accesorios para poder colocarlos en los contenedores, proporcionaremos un v\u00eddeo de instalaci\u00f3n y una versi\u00f3n electr\u00f3nica de las instrucciones de instalaci\u00f3n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5642\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5642\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. Si es necesario realizar un mantenimiento y se compran piezas de recambio a Kete, \u00bfcu\u00e1nto tardar\u00e1n en llegar dichas piezas? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5642\" class=\"elementor-element elementor-element-a349b2f e-con-full e-flex e-con e-child\" data-id=\"a349b2f\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7480d7f elementor-widget elementor-widget-text-editor\" data-id=\"7480d7f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Si el cliente necesita adquirir piezas de recambio de nuestra empresa, la mercanc\u00eda suele enviarse en un plazo de entre 2 y 7 d\u00edas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5643\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5643\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. \u00bfC\u00f3mo se gestionan las solicitudes de mantenimiento de emergencia y cu\u00e1l es el tiempo de respuesta habitual? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5643\" class=\"elementor-element elementor-element-05bb81a e-con-full e-flex e-con e-child\" data-id=\"05bb81a\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4e882a7 elementor-widget elementor-widget-text-editor\" data-id=\"4e882a7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>L\u00ednea de asistencia t\u00e9cnica disponible las 24 horas del d\u00eda, los 7 d\u00edas de la semana, que garantiza un tiempo de resoluci\u00f3n de aver\u00edas de \u2264 2 horas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5644\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5644\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 5. \u00bfQu\u00e9 tipo de asistencia posventa puede ofrecer Kete, incluidos los servicios de resoluci\u00f3n de problemas y mantenimiento? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5644\" class=\"elementor-element elementor-element-0d9ad48 e-con-full e-flex e-con e-child\" data-id=\"0d9ad48\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-8572058 elementor-widget elementor-widget-text-editor\" data-id=\"8572058\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Durante el periodo de garant\u00eda, se realizar\u00e1n visitas peri\u00f3dicas (una vez cada tres meses) para comprobar el estado de funcionamiento y ofrecer recomendaciones de mantenimiento.<\/p><p>Una vez finalizado el periodo de garant\u00eda, se pueden ofrecer servicios de mantenimiento de por vida a precio de coste, as\u00ed como el suministro de piezas de recambio.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5645\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"6\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5645\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 6. \u00bfOfrece Kete opciones de contratos de servicio o de ampliaci\u00f3n de la garant\u00eda? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5645\" class=\"elementor-element elementor-element-fee700e e-con-full e-flex e-con e-child\" data-id=\"fee700e\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-26f8b2b elementor-widget elementor-widget-text-editor\" data-id=\"26f8b2b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>S\u00ed, podemos. Por lo general, el periodo de garant\u00eda de nuestros productos es de un a\u00f1o. Si se requiere una ampliaci\u00f3n del periodo de garant\u00eda, aumentaremos el precio en funci\u00f3n de un margen de beneficio determinado, bas\u00e1ndonos en el precio actual.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-5646\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"7\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-5646\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 7. \u00bfC\u00f3mo se debe inspeccionar y mantener el aceite de los transformadores sumergidos en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-5646\" class=\"elementor-element elementor-element-028283b e-con-full e-flex e-con e-child\" data-id=\"028283b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2954e81 elementor-widget elementor-widget-text-editor\" data-id=\"2954e81\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>El aceite aislante para transformadores de aleaci\u00f3n amorfa sumergidos en aceite (denominado \u201caceite para transformadores\u201d) es un medio fundamental que garantiza el funcionamiento seguro de los transformadores y que cumple tres funciones principales: aislamiento, refrigeraci\u00f3n y extinci\u00f3n de arcos el\u00e9ctricos. El deterioro de sus prestaciones puede provocar fallos de aislamiento, sobrecalentamiento o incluso explosiones de los transformadores. Por lo tanto, es fundamental realizar pruebas peri\u00f3dicas y un mantenimiento adecuado.<\/p><p><strong>\u2460Par\u00e1metros fundamentales de an\u00e1lisis del aceite de transformador<\/strong><\/p><p>Los an\u00e1lisis del aceite de los transformadores deben combinar pruebas preventivas peri\u00f3dicas y la supervisi\u00f3n de su estado operativo. Los aspectos clave son los siguientes:<\/p><p><strong>\u00b7Ensayos rutinarios de propiedades fisicoqu\u00edmicas (indicadores b\u00e1sicos):<\/strong> Aspecto y olor, contenido de humedad (trazas de agua), viscosidad cinem\u00e1tica, \u00edndice de acidez<\/p><p><strong>\u00b7Pruebas de rendimiento el\u00e9ctrico (indicadores clave de seguridad):<\/strong> Tensi\u00f3n de ruptura, factor de p\u00e9rdida diel\u00e9ctrica (tan\u03b4)<\/p><p><strong>\u00b7An\u00e1lisis de los gases disueltos en el petr\u00f3leo<\/strong><\/p><p>Principio: Las aver\u00edas internas en los transformadores (como el sobrecalentamiento local o las descargas de arco) generan gases caracter\u00edsticos (por ejemplo, H\u2082, CH\u2084, C\u2082H\u2082, CO), que se disuelven en el aceite. El tipo de aver\u00eda puede determinarse mediante la detecci\u00f3n de la composici\u00f3n y la concentraci\u00f3n de estos gases.<\/p><p>Frecuencia de las pruebas: Una vez tras una nueva instalaci\u00f3n o una reparaci\u00f3n importante; en el caso de los transformadores en servicio, una vez cada tres meses para los de 330 kV y superiores, y una vez cada seis meses para los de la clase de 110 kV.<\/p><p><strong>\u00b7Otras pruebas especializadas<\/strong><\/p><p>Contenido de antioxidantes: En el caso del aceite al que se le haya a\u00f1adido el antioxidante T501, se debe comprobar su contenido (que suele mantenerse entre 0,31 TP6T y 0,51 TP6T) y reponerlo si es insuficiente.<\/p><p>Lodos y sedimentos: Tras un funcionamiento prolongado, pueden formarse lodos en el aceite, lo que afecta a la disipaci\u00f3n del calor y al aislamiento. Se pueden detectar mediante centrifugaci\u00f3n o filtraci\u00f3n.<\/p><p><strong>\u2461Medidas de mantenimiento diario del aceite de transformador<\/strong><\/p><p><strong>\u00b7Gesti\u00f3n del almacenamiento y la reposici\u00f3n de petr\u00f3leo<\/strong><\/p><p>Requisitos de almacenamiento del aceite: El aceite para transformadores debe almacenarse en dep\u00f3sitos espec\u00edficos y herm\u00e9ticos para evitar la exposici\u00f3n directa a la luz solar, la humedad y la contaminaci\u00f3n por impurezas. El aceite nuevo solo podr\u00e1 utilizarse tras haber superado la inspecci\u00f3n.<\/p><p>Principios para la reposici\u00f3n de aceite: Antes de realizar la reposici\u00f3n, comprueba que la marca y los indicadores de rendimiento del aceite nuevo coincidan con los del aceite en uso (especialmente la tensi\u00f3n de ruptura y el \u00edndice de acidez). Evita mezclar diferentes tipos de aceite (por ejemplo, aceite mineral y aceite sint\u00e9tico).<\/p><p>Durante el rellenado, utiliza un filtro de aceite para eliminar las impurezas y la humedad. Una vez realizado el rellenado, purga el aire para evitar que las burbujas afecten al aislamiento.<\/p><p><strong>\u00b7Tratamiento de purificaci\u00f3n de aceite<\/strong><\/p><p>Cuando la calidad del aceite se deteriora, pero no est\u00e1 gravemente deteriorada, se puede llevar a cabo su purificaci\u00f3n mediante los siguientes m\u00e9todos:<\/p><p>Filtraci\u00f3n de aceite al vac\u00edo: elimina la humedad y las impurezas mec\u00e1nicas del aceite; es adecuada para casos en los que la humedad supera el nivel est\u00e1ndar o la tensi\u00f3n de ruptura es ligeramente baja.<\/p><p>Filtraci\u00f3n por adsorci\u00f3n: utiliza adsorbentes como el gel de s\u00edlice y la al\u00famina activada para eliminar \u00e1cidos, pigmentos y lodos, reduciendo as\u00ed el \u00edndice de acidez y la p\u00e9rdida diel\u00e9ctrica.<\/p><p>Tratamiento de regeneraci\u00f3n: En el caso de aceites con un \u00edndice de acidez excesivamente alto o con un grado grave de oxidaci\u00f3n, se pueden emplear m\u00e9todos de regeneraci\u00f3n qu\u00edmica (por ejemplo, el lavado con \u00e1lcalis) para restablecer sus prestaciones. No obstante, el proceso de tratamiento debe controlarse estrictamente para evitar la contaminaci\u00f3n secundaria.<\/p><p><strong>\u00b7Mantenimiento auxiliar del cuerpo del transformador<\/strong><\/p><p>Mantenimiento del respiradero: Se debe revisar peri\u00f3dicamente el gel de s\u00edlice del respiradero. Sustit\u00fayalo inmediatamente cuando est\u00e9 h\u00famedo y haya cambiado de color (de azul a rojo) para evitar que entre humedad en el dep\u00f3sito de aceite.<\/p><p>Inspecci\u00f3n de juntas: Comprueba peri\u00f3dicamente el estado de las juntas de los dep\u00f3sitos de aceite, v\u00e1lvulas, casquillos, etc., para evitar fugas de aceite y la entrada de agua (sustituye las juntas inmediatamente si detectas alguna fuga).<\/p><p>Control de la temperatura: Aseg\u00farese de que el sistema de refrigeraci\u00f3n del transformador (ventiladores, bombas de aceite) funcione con normalidad para evitar que una temperatura excesiva del aceite acelere su envejecimiento (por lo general, la temperatura m\u00e1xima del aceite no debe superar los 85 \u2103).<\/p><p><strong>\u00b7Ciclo y normas de cambio de aceite<\/strong><\/p><p>Cuando varios indicadores del aceite superan considerablemente los valores de referencia (por ejemplo, la tensi\u00f3n de ruptura sigue siendo inferior al valor de referencia, el \u00edndice de acidez es superior a 0,2 mg de KOH\/g o se genera una gran cantidad de lodos) y el tratamiento de purificaci\u00f3n no consigue restablecer el rendimiento, es necesario realizar un cambio completo de aceite.<\/p><p>Durante el cambio de aceite, es necesario vaciar completamente el aceite usado, limpiar el dep\u00f3sito de aceite y los componentes, e introducir aceite nuevo. Una vez superadas las pruebas de filtraci\u00f3n por circulaci\u00f3n y las pruebas el\u00e9ctricas, el transformador puede ponerse en funcionamiento.<\/p><p><strong>\u2462Precauciones<\/strong><\/p><p><strong>\u00b7Especificaciones para la recogida de muestras de aceite<\/strong><\/p><p>Se deben utilizar utensilios especiales para el muestreo (recipientes de vidrio o acero inoxidable). Antes de tomar la muestra, enjuague el recipiente con el aceite que se va a analizar al menos tres veces.<\/p><p>Selecciona puntos de muestreo en el fondo del dep\u00f3sito de aceite o en la v\u00e1lvula de purga de aceite (vac\u00eda primero los sedimentos del fondo). Evita tomar muestras en d\u00edas lluviosos o cuando la humedad sea superior al 85%.<\/p><p>Etiqueta las muestras de aceite indicando el nombre del equipo, la hora de la toma de muestras, la temperatura, etc., y env\u00edalas al laboratorio para su an\u00e1lisis lo antes posible (el tiempo de almacenamiento no debe superar las 72 horas).<\/p><p><strong>\u00b7Comparaci\u00f3n y an\u00e1lisis de datos<\/strong><\/p><p>Los resultados de las pruebas deben compararse con los datos hist\u00f3ricos y con los de equipos similares. Hay que centrarse en los \u201ccambios de tendencia\u201d (por ejemplo, un aumento sostenido del \u00edndice de acidez o de la concentraci\u00f3n de gas) m\u00e1s que en si un valor concreto cumple la norma.<\/p><p><strong>\u00b7Protecci\u00f3n de seguridad<\/strong><\/p><p>El aceite de transformador es inflamable. Mant\u00e9ngalo alejado de fuentes de fuego durante las pruebas y el mantenimiento, y utilice herramientas a prueba de explosiones.<\/p><p>L\u00e1vate las manos inmediatamente despu\u00e9s de entrar en contacto con muestras de aceite y evita el contacto prolongado con la piel (algunos aditivos pueden resultar irritantes).<\/p><p>Gracias a las pruebas y al mantenimiento sistem\u00e1ticos mencionados anteriormente, es posible prolongar de forma eficaz la vida \u00fatil del aceite de los transformadores y garantizar un funcionamiento seguro y estable de los mismos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-685f6bb elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"685f6bb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2162.<\/strong><strong>Env\u00edo y pago<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-400c4e4 elementor-widget elementor-widget-n-accordion\" data-id=\"400c4e4\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abre los enlaces con la tecla Intro o la barra espaciadora, ci\u00e9rralos con la tecla Esc y navega con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-6710\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-6710\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. \u00bfCu\u00e1l es el plazo de fabricaci\u00f3n y entrega de los transformadores en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-6710\" class=\"elementor-element elementor-element-13a21e2 e-con-full e-flex e-con e-child\" data-id=\"13a21e2\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a9edb1f elementor-widget elementor-widget-text-editor\" data-id=\"a9edb1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>En t\u00e9rminos generales, si el cliente proporciona planos de dise\u00f1o detallados y los requisitos t\u00e9cnicos, los transformadores de menos de 2500 kVA pueden fabricarse en unos 20 d\u00edas; los transformadores de m\u00e1s de 2500 kVA suelen tardar entre 30 y 40 d\u00edas. El plazo de entrega concreto depende de la complejidad del transformador.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-6711\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-6711\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 2. \u00bfCu\u00e1l es el embalaje de los transformadores de aleaci\u00f3n amorfa sumergidos en aceite de Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-6711\" class=\"elementor-element elementor-element-b2e3ee1 e-con-full e-flex e-con e-child\" data-id=\"b2e3ee1\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-563c289 elementor-widget elementor-widget-text-editor\" data-id=\"563c289\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Para la mercanc\u00eda a granel, utilizaremos cajas de madera como embalaje; para los contenedores completos, utilizaremos pal\u00e9s de madera para reforzar el embalaje.<\/p><p>Si dispone de una patente registrada legalmente, podemos embalar la mercanc\u00eda en cajas con su marca previa recepci\u00f3n de sus cartas de autorizaci\u00f3n.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-6712\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-6712\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 3. \u00bfCu\u00e1les son las condiciones de pago para los transformadores Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-6712\" class=\"elementor-element elementor-element-febed70 e-con-full e-flex e-con e-child\" data-id=\"febed70\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-577268c elementor-widget elementor-widget-text-editor\" data-id=\"577268c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u2460 T\/T: 30% como anticipo y 70% antes de la entrega.<\/p><p>\u2461Letra de cr\u00e9dito a la vista<\/p><p>\u2462DP a la vista<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-6713\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-6713\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 4. \u00bfCu\u00e1les son las condiciones de entrega para el env\u00edo a granel de transformadores Kete? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-6713\" class=\"elementor-element elementor-element-84549c5 e-con-full e-flex e-con e-child\" data-id=\"84549c5\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb70847 elementor-widget elementor-widget-text-editor\" data-id=\"eb70847\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>EXW, FOB, CFR, CIF u otras condiciones de entrega solicitadas por los clientes.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-40ce24e elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"40ce24e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><strong>\u2163.<\/strong><strong>Sistemas y certificaciones<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dee0114 elementor-widget elementor-widget-n-accordion\" data-id=\"dee0114\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Acorde\u00f3n. Abre los enlaces con la tecla Intro o la barra espaciadora, ci\u00e9rralos con la tecla Esc y navega con las teclas de flecha.\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2330\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2330\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> 1. \u00bfCumple el dise\u00f1o de los transformadores Kete de aleaci\u00f3n amorfa sumergidos en aceite con las normas y certificaciones espec\u00edficas del sector? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-down\" viewbox=\"0 0 320 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-angle-right\" viewbox=\"0 0 256 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2330\" class=\"elementor-element elementor-element-1641554 e-con-full e-flex e-con e-child\" data-id=\"1641554\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c9d5aa0 elementor-widget elementor-widget-text-editor\" data-id=\"c9d5aa0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Los transformadores de aceite Kete cumplen con diversas normas internacionales, normas nacionales y los principales sistemas de certificaci\u00f3n.<\/p><p><strong>\u2460<\/strong><strong>Normas generales: IEC 60076, GB 1094<\/strong><\/p><p><strong>\u2461<\/strong><strong>Sistemas clave de certificaci\u00f3n<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Certificaciones chinas:<\/strong> Certificaci\u00f3n CCC, Certificaci\u00f3n del sistema ISO<\/p><p><strong>\u00b7<\/strong><strong>Certificaci\u00f3n de la UE:<\/strong> Certificaci\u00f3n CE<\/p><p><strong>\u00b7<\/strong><strong>Certificaci\u00f3n de EE. UU.:<\/strong> Certificaci\u00f3n UL<\/p><p><strong>\u00b7<\/strong><strong>Certificaci\u00f3n canadiense:<\/strong> Certificaci\u00f3n GSA<\/p><p><strong>\u00b7<\/strong><strong>Certificaci\u00f3n rusa:<\/strong> Certificaci\u00f3n GOST<\/p><p><strong>\u00b7<\/strong><strong>Certificaci\u00f3n africana:<\/strong> Certificaci\u00f3n COC<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>El transformador Kete de aleaci\u00f3n amorfa sumergido en aceite es un nuevo tipo de equipo el\u00e9ctrico de bajo consumo. Combina las caracter\u00edsticas de bajas p\u00e9rdidas de los materiales de aleaci\u00f3n amorfa con el excelente rendimiento de refrigeraci\u00f3n y aislamiento de la estructura sumergida en aceite. Se caracteriza por su baja fuerza coercitiva, bajas p\u00e9rdidas, buena estabilidad t\u00e9rmica y una s\u00f3lida protecci\u00f3n contra los rayos y las tormentas el\u00e9ctricas.<\/p>","protected":false},"featured_media":4220,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"no-sidebar","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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SC(B)13 epoxy resin cast dry-type transformer can be used as an upgraded product of oil-immersed distribution transformer."],"_yoast_wpseo_content_score":["30"],"_yoast_wpseo_estimated-reading-time-minutes":["3"],"_elementor_edit_mode":["builder"],"_elementor_template_type":["product-post"],"_elementor_version":["3.31.1"],"_elementor_pro_version":["3.31.0"],"_astra_content_layout_flag":["disabled"],"site-post-title":["disabled"],"ast-title-bar-display":["disabled"],"ast-featured-img":["disabled"],"_wp_page_template":["default"],"_elementor_data":["[{\"id\":\"11e38e9\",\"elType\":\"container\",\"settings\":{\"flex_direction\":\"column\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true}},\"elements\":[{\"id\":\"3df9cea\",\"elType\":\"widget\",\"widgetType\":\"nested-tabs\",\"settings\":{\"tabs\":[{\"tab_title\":\"Brief introduction\",\"_id\":\"28ed36e\"},{\"tab_title\":\"Feature\",\"_id\":\"44a77a3\"},{\"tab_title\":\"Structure\",\"_id\":\"4e5d404\"},{\"tab_title\":\"Specification\",\"_id\":\"04585e4\"},{\"tab_title\":\"Diagram\",\"_id\":\"ebc3184\"},{\"tab_title\":\"FAQ\",\"_id\":\"0b0e7cd\"}],\"tabs_title_background_color_background\":\"classic\",\"tabs_title_background_color_hover_color\":\"#0055AA\",\"title_text_color\":\"#000000\",\"__globals__\":{\"title_text_color\":\"globals\\\/colors?id=text\",\"tabs_title_background_color_hover_color\":\"globals\\\/colors?id=primary\",\"tabs_title_background_color_color\":\"globals\\\/colors?id=556a01c\",\"tabs_title_background_color_active_color\":\"globals\\\/colors?id=primary\",\"title_typography_typography\":\"globals\\\/typography?id=d5375a8\"},\"tabs_justify_horizontal\":\"start\",\"tabs_title_space_between_tablet\":{\"unit\":\"em\",\"size\":\"\",\"sizes\":[]},\"tabs_title_space_between_mobile\":{\"unit\":\"em\",\"size\":\"\",\"sizes\":[]},\"tabs_title_spacing_tablet\":{\"unit\":\"em\",\"size\":\"\",\"sizes\":[]},\"tabs_title_spacing_mobile\":{\"unit\":\"em\",\"size\":\"\",\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"_element_custom_width\":{\"unit\":\"%\",\"size\":97,\"sizes\":[]}},\"elements\":[{\"id\":\"63d4ba4\",\"elType\":\"container\",\"settings\":{\"_title\":\"Tab #1\",\"content_width\":\"full\",\"flex_direction\":\"column\",\"border_border\":\"solid\",\"border_width\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"padding\":{\"unit\":\"px\",\"top\":\"50\",\"right\":\"30\",\"bottom\":\"50\",\"left\":\"30\",\"isLinked\":false},\"__globals__\":{\"border_color\":\"globals\\\/colors?id=secondary\"},\"padding_mobile\":{\"unit\":\"px\",\"top\":\"10\",\"right\":\"10\",\"bottom\":\"10\",\"left\":\"10\",\"isLinked\":true}},\"elements\":[{\"id\":\"76c97e8\",\"elType\":\"widget\",\"settings\":{\"title\":\"Brief introduction\",\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=204d764\"}},\"elements\":[],\"widgetType\":\"heading\"},{\"id\":\"40fb5fa\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2160<\\\/strong><strong>.Brief introduction<\\\/strong><\\\/p><p><strong>1.<\\\/strong><strong>Standards: <\\\/strong><strong>IEC 60076, GB\\\/T 1094, GB\\\/T 25446-2010<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Power Rating:<\\\/strong> 30KVA-2500 kVA<\\\/p><p><strong>3.<\\\/strong><strong>Primary Voltage:<\\\/strong> 6KV-11KV<\\\/p><p><strong>4.<\\\/strong><strong>Secondary Voltage:<\\\/strong> 0.4 kV or as required<\\\/p><p><strong>5.Voltage regulation mode:<\\\/strong> off-circuit tap changing<\\\/p><p><strong>6.Frequency:<\\\/strong> 50HZ or 60HZ<\\\/p><p><strong>7.<\\\/strong><strong>Type:<\\\/strong> 3 Phase Electric Power Transformer<\\\/p><p><strong>8.<\\\/strong><strong>Connection Type:<\\\/strong> Dyn11, Yyn0, or per client specification<\\\/p><p><strong>9.insulation grade: <\\\/strong>A<\\\/p><p><strong>10.Cooling method:<\\\/strong> ONAN<\\\/p><p><strong>\\u2161<\\\/strong><strong>.Working conditions<\\\/strong><\\\/p><p><strong>1.<\\\/strong><strong>Ambient Temperature:<\\\/strong> No more than +40\\u2103 No less than -25\\u2103, The monthly average temperature is no more than +30\\u2103, The yearly average temperature is no more than +20\\u2103<\\\/p><p><strong>2.<\\\/strong><strong>Altitude:<\\\/strong> No more than 1000m.<\\\/p><p><strong>3.<\\\/strong><strong>Relative air humidity:<\\\/strong>\\u226490%<\\\/p><p><strong>4.<\\\/strong><strong>installation site:<\\\/strong> no corrosion gas, No obvious dirt<\\\/p><p><strong>5.Scope of application:<\\\/strong> The scope of application is mainly concentrated in scenarios with stable loads, long operating hours, and high requirements for energy efficiency, such as power distribution networks, commercial and civil buildings, new energy supporting facilities, and other fields.<\\\/p><p><strong>\\u2162<\\\/strong><strong>.The tests for oil-immersed transformer<\\\/strong><\\\/p><p>The experimental types of amorphous alloy transformers cover four core directions: basic performance testing, safety and reliability testing, special working condition testing, and material &amp; process testing:<\\\/p><p><strong>1.<\\\/strong><strong>Basic Performance Testing<\\\/strong><\\\/p><p>This type of experiment aims to verify whether the core electrical performance of the transformer meets design standards, serving as a core link in product research and development as well as factory inspection.<\\\/p><p><strong>\\u2460<\\\/strong><strong>No-load Loss and No-load Current Testing<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Load Loss and Short-Circuit Impedance Testing<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Turns Ratio and Polarity Testing<\\\/strong><\\\/p><p><strong>\\u2463<\\\/strong><strong>Insulation Resistance and Dielectric Loss Testing<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Safety and Reliability Testing<\\\/strong><\\\/p><p>This type of experiment focuses on the safety of transformers under extreme conditions or long-term operation, serving as a key requirement for product finalization and grid access.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Power Frequency Withstand Voltage Test<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Lightning Impulse Withstand Voltage Test<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Short-Circuit Withstand Capability Test<\\\/strong><\\\/p><p><strong>\\u2463<\\\/strong><strong>Temperature Rise Test<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Special Working Condition and Environmental Adaptability Testing<\\\/strong><\\\/p><p>Targeted experiments are required for different application scenarios (e.g., plateaus, humid areas, high-altitude regions) or special needs.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Environmental Adaptability Testing<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Noise Testing<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Partial Discharge Testing<\\\/strong><\\\/p><p><strong>4.<\\\/strong><strong>Material and Process Verification Testing<\\\/strong><\\\/p><p>The performance of amorphous alloy cores directly affects the overall indicators of transformers, requiring separate testing of materials and manufacturing processes.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Amorphous Alloy Strip Performance Testing<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Core Winding Process Testing<\\\/strong><\\\/p><p>The experimental types of amorphous alloy transformers must balance electrical performance, safety reliability, environmental adaptability, and material processes, covering the entire process from research and development to factory delivery. Among them, no-load loss testing, short-circuit withstand capability testing, temperature rise testing, and core material performance testing are key differentiators from traditional transformers, directly determining their energy-saving advantages and operational stability.<\\\/p><p><strong>\\u2163.<\\\/strong><strong>Amorphous Alloy Transformer Component Inspection<\\\/strong><\\\/p><p>Amorphous alloy transformers are widely used in power systems due to their advantages such as low loss and energy efficiency. Their component inspection involves multiple core components including iron cores, windings, oil tanks, insulation systems, and cooling systems.<\\\/p><p><strong>1.<\\\/strong><strong>Iron Core Inspection<\\\/strong><\\\/p><p>The amorphous alloy iron core is the \\\"heart\\\" of the transformer, and its performance directly affects the loss and efficiency of the transformer. The key inspection aspects include:<\\\/p><p><strong>\\u2460<\\\/strong><strong>Appearance quality inspection<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Dimensional accuracy inspection<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Iron loss inspection<\\\/strong><\\\/p><p><strong>\\u2463<\\\/strong><strong>Magnetic flux density distribution inspection<\\\/strong><\\\/p><p><strong>\\u2464<\\\/strong><strong>Annealing quality inspection<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Winding Inspection<\\\/strong><\\\/p><p>Windings are the core components for the transformer to realize electrical energy conversion, and their electrical performance and mechanical strength need to be focus on:<\\\/p><p><strong>\\u2460<\\\/strong><strong>DC resistance inspection<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Insulation resistance inspection<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Dielectric loss factor (tan\\u03b4) inspection<\\\/strong><\\\/p><p><strong>\\u2463<\\\/strong><strong>AC withstand voltage test<\\\/strong><\\\/p><p><strong>\\u2464<\\\/strong><strong>Partial discharge inspection<\\\/strong><\\\/p><p><strong>\\u2465<\\\/strong><strong>Mechanical strength inspection<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Oil Tank and Structural Component Inspection<\\\/strong><\\\/p><p><strong>\\u2460<\\\/strong><strong>Appearance and tightness inspection<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Dimension and deformation inspection<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Structural strength inspection<\\\/strong><\\\/p><p><strong>4.<\\\/strong><strong>Insulation System Inspection<\\\/strong><\\\/p><p>The insulation system is crucial for ensuring the safe operation of the transformer, covering solid insulation (such as insulating paper and insulating cardboard) and liquid insulation (such as transformer oil):<\\\/p><p><strong>\\u2460<\\\/strong><strong>Solid insulation inspection<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Transformer oil inspection<\\\/strong><\\\/p><p><strong>5.<\\\/strong><strong>Cooling System Inspection<\\\/strong><\\\/p><p>The performance of the cooling system directly affects the heat dissipation effect of the transformer. The inspection contents are as follows:<\\\/p><p><strong>\\u2460<\\\/strong><strong>Radiator \\\/ cooler inspection<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Fan and oil pump inspection<\\\/strong><\\\/p><p><strong>\\u2462<\\\/strong><strong>Temperature control device inspection<\\\/strong><\\\/p><p><strong>\\u2164<\\\/strong><strong>.<\\\/strong><strong>Certificate: <\\\/strong>CE, UL, ISO, SGS, CCC<\\\/p>\",\"paragraph_spacing\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"2e2154e\",\"elType\":\"container\",\"settings\":{\"_title\":\"Tab #2\",\"content_width\":\"full\",\"border_border\":\"solid\",\"border_width\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"padding\":{\"unit\":\"px\",\"top\":\"50\",\"right\":\"30\",\"bottom\":\"50\",\"left\":\"30\",\"isLinked\":false},\"__globals__\":{\"border_color\":\"globals\\\/colors?id=secondary\"},\"padding_mobile\":{\"unit\":\"px\",\"top\":\"10\",\"right\":\"10\",\"bottom\":\"10\",\"left\":\"10\",\"isLinked\":true}},\"elements\":[{\"id\":\"0f27574\",\"elType\":\"widget\",\"settings\":{\"title\":\"Structural Features\",\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=204d764\"}},\"elements\":[],\"widgetType\":\"heading\"},{\"id\":\"f30b232\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2160.<\\\/strong><strong>Product features<\\\/strong><\\\/p><p>Amorphous alloy transformers are a type of power transformer that uses amorphous alloy materials as their core. Amorphous alloys are formed by directly cooling molten metal alloys into a solid state through rapid solidification technology (with a cooling rate as high as one million degrees Celsius per second), resulting in an amorphous structure with disordered atomic arrangement. Their core characteristics directly determine the performance of the transformer:<\\\/p><p>1.Low hysteresis loss: Due to the disordered atomic arrangement of amorphous alloys, the resistance to domain rotation and displacement during magnetization is extremely small. The area of the hysteresis loop is much smaller than that of silicon steel sheets (only 1\\\/5 - 1\\\/10 of traditional silicon steel sheets), which is the core reason for its energy efficiency.<\\\/p><p>2.High magnetic permeability: High magnetization can be achieved under weak magnetic fields, which reduces the excitation current and lowers the no-load loss.<\\\/p><p>3.Mechanical properties: Amorphous alloys have high hardness (about 2 - 3 times that of silicon steel sheets) but are highly brittle and prone to fragmentation during processing. Therefore, the core is usually manufactured using a winding process rather than a laminated structure.<\\\/p><p>4.Corrosion resistance: A natural oxide film forms on the surface, providing better corrosion resistance than ordinary silicon steel and reducing the risk of core rusting.<\\\/p><p><strong>\\u2161.<\\\/strong><strong>Product <\\\/strong><strong>Advantages<\\\/strong><\\\/p><p>Advantages of Amorphous Alloy Transformers:<\\\/p><p>1.Extremely low no-load loss: The no-load loss of amorphous alloy core transformers is reduced by approximately 70% - 80% compared to traditional silicon steel sheet transformers. For example, the no-load loss of a 10kV class 500kVA amorphous alloy transformer is about 300W, while that of a silicon steel sheet transformer of the same class is approximately 1200W - 1500W.<\\\/p><p>2.Suitable for light-load operation: In areas with low grid load rates such as rural areas and suburban districts, the energy-saving effect is particularly prominent. Long-term operation can significantly reduce electricity expenses.<\\\/p><p>3.Small no-load current: It is usually more than 50% lower than that of silicon steel sheet transformers, which reduces the reactive power loss of the power grid and helps improve the grid power factor.<\\\/p><p>4.Slightly lower noise: Due to the smaller magnetostriction coefficient of amorphous alloy materials, the operating noise is 3dB - 5dB lower than that of traditional transformers, making them more suitable for noise-sensitive areas (such as residential areas and hospitals).<\\\/p><p>5.Compact structure: The core adopts a wound structure, and its volume is equivalent to or slightly smaller than that of a silicon steel sheet transformer with the same capacity, facilitating installation and layout.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"764f307\",\"elType\":\"container\",\"settings\":{\"_title\":\"Tab #3\",\"content_width\":\"full\",\"padding\":{\"unit\":\"px\",\"top\":\"50\",\"right\":\"30\",\"bottom\":\"50\",\"left\":\"30\",\"isLinked\":false},\"border_border\":\"solid\",\"border_width\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"__globals__\":{\"border_color\":\"globals\\\/colors?id=secondary\"},\"padding_mobile\":{\"unit\":\"px\",\"top\":\"10\",\"right\":\"10\",\"bottom\":\"10\",\"left\":\"10\",\"isLinked\":true}},\"elements\":[{\"id\":\"9872304\",\"elType\":\"widget\",\"settings\":{\"title\":\"Product structure\",\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=204d764\"}},\"elements\":[],\"widgetType\":\"heading\"},{\"id\":\"b1b2cc5\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Oil-immersed amorphous alloy transformers are high-efficiency and energy-saving power equipment. Their core advantage lies in the use of amorphous alloy core materials, which have the characteristics of low loss and high magnetic permeability.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"5474a64\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"flex_direction\":\"row\",\"flex_align_items\":\"center\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"24a71fc\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2160.<\\\/strong><strong>Core Manufacturing Process<\\\/strong><\\\/p><p>The core is a key component that determines the energy-saving performance of the transformer. Amorphous alloy strips are highly brittle and easy to break, so the manufacturing process must be extremely precise.<\\\/p><p><strong>1.<\\\/strong><strong>Strip cutting<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Core winding (or lamination)<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Annealing treatment<\\\/strong><\\\/p><p><strong>4.<\\\/strong><strong>Core curing and finishing<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"10\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":70,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"4144565\",\"elType\":\"container\",\"settings\":{\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":30,\"sizes\":[]},\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"4d5efec\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_1000x1000px_WH_1000x1000px1_WH_1000x1000px.png\",\"id\":4633,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_tablet\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_mobile\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"_element_custom_width\":{\"unit\":\"%\",\"size\":30,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true}],\"isInner\":true},{\"id\":\"316f71b\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"flex_direction\":\"row\",\"flex_align_items\":\"center\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"flex_direction_mobile\":\"row-reverse\"},\"elements\":[{\"id\":\"5a64ba5\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_2000x1000px_WH_1000x1000px1_WH_1000x1000px.png\",\"id\":4637,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_tablet\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_mobile\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":40,\"sizes\":[]},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"415ab2d\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2161.<\\\/strong><strong>Winding Manufacturing Process<\\\/strong><\\\/p><p>The winding is the conductive component of the transformer, which must meet the requirements of insulation strength, mechanical strength, and heat dissipation performance.<\\\/p><p><strong>1.<\\\/strong><strong>Conductor pre-treatment<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Winding drying and curing<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Winding insulation testing<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"10\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":70,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true},{\"id\":\"3a0ed7f\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"flex_direction\":\"row\",\"flex_align_items\":\"center\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"8c7e7b3\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2162.<\\\/strong><strong>Core Assembly Process<\\\/strong><\\\/p><p>Core assembly is a crucial link in combining the core, windings, and related components into an integrated whole. It is necessary to ensure accurate positioning of components and reliable insulation.<\\\/p><p><strong>1.<\\\/strong><strong>Core and winding assembly<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Lead connection<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Core drying<\\\/strong><\\\/p><p><strong>4.<\\\/strong><strong>Overall core inspection<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"10\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":70,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"e8418c8\",\"elType\":\"container\",\"settings\":{\"content_width\":\"full\",\"width\":{\"unit\":\"%\",\"size\":30,\"sizes\":[]},\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"6b4fa40\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_3000x1000px_WH_1000x1000px1_WH_1000x1000px.png\",\"id\":4646,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_tablet\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_mobile\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"_element_custom_width\":{\"unit\":\"%\",\"size\":30,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true}],\"isInner\":true},{\"id\":\"db9ebd4\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"flex_direction\":\"row\",\"flex_align_items\":\"center\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"flex_direction_mobile\":\"row-reverse\"},\"elements\":[{\"id\":\"0c75ed8\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/10kV_SH15_SH21_SH25_Oil-immersed_Amorphous_Alloy_Distribution_Transformer1WH_4000x1000px_WH_1000x1000px1_WH_1000x1000px.png\",\"id\":4647,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"},\"width\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_tablet\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"width_mobile\":{\"unit\":\"px\",\"size\":\"\",\"sizes\":[]},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":40,\"sizes\":[]},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"61c2596\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2163.<\\\/strong><strong>Oil Tank Assembly and Oil Filling Process<\\\/strong><\\\/p><p>The oil tank is the outer shell of the transformer, which must satisfy the functions of sealing, heat dissipation, and mechanical protection.<\\\/p><p><strong>1.<\\\/strong><strong>Oil tank pre-treatment<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Accessory installation<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Core placement into the tank<\\\/strong><\\\/p><p><strong>4.<\\\/strong><strong>Vacuum oil filling<\\\/strong><\\\/p><p><strong>5.<\\\/strong><strong>Seal detection<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"10\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":70,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"},\"_element_custom_width_mobile\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true},{\"id\":\"5fc33e8\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":100,\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"flex_direction\":\"row\",\"flex_align_items\":\"center\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"4652b00\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2164.<\\\/strong><strong>Finished Product Testing and Factory Process<\\\/strong><\\\/p><p>After the transformer production is completed, strict tests are required to verify whether its performance meets the standards.<\\\/p><p><strong>1.<\\\/strong><strong>Routine tests<\\\/strong><\\\/p><p><strong>2.<\\\/strong><strong>Type tests (conducted by sampling)<\\\/strong><\\\/p><p><strong>3.<\\\/strong><strong>Appearance and 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font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\\r\\n.tg .tg-baqh{text-align:center;vertical-align:top}\\r\\n.tg .tg-wa1i{font-weight:bold;text-align:center;vertical-align:middle}\\r\\n.tg .tg-nrix{text-align:center;vertical-align:middle}\\r\\n<\\\/style>\\r\\n<table class=\\\"tg\\\"><thead>\\r\\n  <tr>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Rated Capacity<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">H.V.<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">L.V.<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Connection symbol<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" colspan=\\\"3\\\">No-load loss\\uff08w)<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" colspan=\\\"3\\\">On-load loss(w)<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Short circuit impedance<\\\/th>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <th class=\\\"tg-wa1i\\\">S15<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S21<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S25<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S15<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S21<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S25<\\\/th>\\r\\n  <\\\/tr><\\\/thead>\\r\\n<tbody>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">30<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">6<br><br><br>6.3<br><br><br>10<br><br><br>10.5<br><br><br>11<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">0.4<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">Dyn11<br><br><br><br><br>Yyn0<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">33<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">33<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">25<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630\\\/660<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">535\\\/510<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">510\\\/480<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"12\\\">4<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">43<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">43<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">35<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">910\\\/870<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">780\\\/745<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">735\\\/700<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">63<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">40<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1090\\\/1040<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">930\\\/890<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">880\\\/840<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">80<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1310\\\/1250<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1120\\\/1070<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1060\\\/1010<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">75<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">75<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1580\\\/1500<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1350\\\/1285<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1270\\\/1215<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">125<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">85<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">85<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">70<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1890\\\/1800<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1615\\\/1540<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1530\\\/1450<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">160<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">80<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">2310\\\/2200<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1975\\\/1880<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1870\\\/1780<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">120<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">120<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">95<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">2730\\\/2600<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2330\\\/2225<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2210\\\/2100<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">140<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">140<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">110<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">3200\\\/3050<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2735\\\/2610<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2590\\\/2470<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">315<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">170<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">170<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">135<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">3830\\\/3650<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3275\\\/3120<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3100\\\/2950<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">400<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">160<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">4520\\\/4300<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3865\\\/3675<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3660\\\/3480<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">240<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">240<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">190<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5410\\\/5150<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">4625\\\/4400<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">4380\\\/4170<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">320<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">320<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5020<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"5\\\">4.5<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">380<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">380<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">7500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6415<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6075<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">450<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">450<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">360<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">10300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">8800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">8340<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">530<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">530<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">425<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">12000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">10260<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">9720<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1600<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">12400<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">11745<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">2000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">720<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">710<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">550<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">18300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"2\\\">5<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">2500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">865<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">860<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">670<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">21200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">16300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">15450<\\\/td>\\r\\n  <\\\/tr>\\r\\n<\\\/tbody><\\\/table>   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#3\",\"content_width\":\"full\",\"border_border\":\"solid\",\"border_width\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"border_radius\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"__globals__\":{\"border_color\":\"globals\\\/colors?id=secondary\"},\"padding\":{\"unit\":\"px\",\"top\":\"50\",\"right\":\"30\",\"bottom\":\"50\",\"left\":\"30\",\"isLinked\":false},\"padding_mobile\":{\"unit\":\"px\",\"top\":\"10\",\"right\":\"10\",\"bottom\":\"10\",\"left\":\"10\",\"isLinked\":true}},\"elements\":[{\"id\":\"bd32b31\",\"elType\":\"container\",\"settings\":{\"boxed_width\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_tablet\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"boxed_width_mobile\":{\"unit\":\"%\",\"size\":\"\",\"sizes\":[]},\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false}},\"elements\":[{\"id\":\"c595837\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/04-10-0.4-50-630kva-2.webp\",\"id\":4849,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"}},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"8acb507\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/05-10-0.4-800kva-1600kva-2.webp\",\"id\":4850,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"}},\"elements\":[],\"widgetType\":\"image\"},{\"id\":\"1c56472\",\"elType\":\"widget\",\"settings\":{\"image\":{\"url\":\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2.webp\",\"id\":4851,\"size\":\"\",\"alt\":\"\",\"source\":\"library\"}},\"elements\":[],\"widgetType\":\"image\"}],\"isInner\":true}],\"isInner\":true,\"isLocked\":true},{\"id\":\"a681f0e\",\"elType\":\"container\",\"settings\":{\"_title\":\"Tab #3\",\"content_width\":\"full\",\"padding\":{\"unit\":\"px\",\"top\":\"50\",\"right\":\"30\",\"bottom\":\"50\",\"left\":\"30\",\"isLinked\":false},\"border_border\":\"solid\",\"border_width\":{\"unit\":\"px\",\"top\":\"1\",\"right\":\"1\",\"bottom\":\"1\",\"left\":\"1\",\"isLinked\":true},\"__globals__\":{\"border_color\":\"globals\\\/colors?id=secondary\"},\"padding_mobile\":{\"unit\":\"px\",\"top\":\"10\",\"right\":\"10\",\"bottom\":\"10\",\"left\":\"10\",\"isLinked\":true}},\"elements\":[{\"id\":\"11bf213\",\"elType\":\"widget\",\"settings\":{\"title\":\"     FAQs\",\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=204d764\"}},\"elements\":[],\"widgetType\":\"heading\"},{\"id\":\"692e57a\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2160.Basic Maintenance Service<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"020\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":65,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"d080af3\",\"elType\":\"widget\",\"widgetType\":\"nested-accordion\",\"settings\":{\"items\":[{\"item_title\":\"1.What are the rated voltage and power of the Kete oil-immersed amorphous alloy transformer?\",\"_id\":\"1d2b564\"},{\"item_title\":\"2.What type of cooling system does the Kete oil-immersed amorphous alloy transformer use?\",\"_id\":\"6187cb3\"},{\"item_title\":\"3.How does the cooling system of the Kete oil-immersed amorphous alloy transformer affect its performance under different climatic conditions\\uff1f\",\"_id\":\"9244a66\"},{\"item_title\":\"4.What is the main basis for choosing between ONAN and ONAF cooling methods for kete oil-immersed amorphous alloy transformers?\",\"_id\":\"b474fe0\"},{\"item_title\":\"5.How long is the service life of Kete oil-immersed amorphous alloy transformers? \",\"_id\":\"bab7d20\"},{\"item_title\":\"6.What are the factors that affect the service life of Kete amorphous alloy oil-immersed transformers?\",\"_id\":\"a2a227a\"},{\"item_title\":\"7.How to maintain transformers to maximize the service life of Kete oil-immersed amorphous alloy transformers?\",\"_id\":\"668e117\"},{\"item_title\":\"8.What type of oil is used in Kete oil-immersed transformers? What advantages does this type of oil have?\",\"_id\":\"8dbbd3a\"},{\"item_title\":\"9.What protective measures does the Kete oil-immersed transformer have against overload, overheating, and short circuits?\",\"_id\":\"1026d03\"},{\"item_title\":\"10.What aspects of Kete oil-immersed transformers can be customized?\",\"_id\":\"c15e883\"}],\"accordion_item_title_icon\":{\"value\":\"fas fa-angle-right\",\"library\":\"fa-solid\"},\"accordion_item_title_icon_active\":{\"value\":\"fas fa-angle-down\",\"library\":\"fa-solid\"},\"default_state\":\"all_collapsed\",\"max_items_expended\":\"multiple\",\"accordion_item_title_space_between\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"accordion_background_normal_background\":\"classic\",\"accordion_background_normal_color\":\"#F2F2F2\",\"accordion_background_hover_background\":\"classic\",\"accordion_background_hover_color\":\"#0055AA\",\"accordion_background_active_background\":\"classic\",\"accordion_background_active_color\":\"#0055AA\",\"title_typography_typography\":\"custom\",\"title_typography_font_family\":\"Arial\",\"title_typography_font_size\":{\"unit\":\"px\",\"size\":14,\"sizes\":[]},\"title_typography_font_weight\":\"600\",\"hover_title_color\":\"#FFFFFF\",\"active_title_color\":\"#FFFFFF\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"title_typography_typography\":\"\",\"accordion_background_hover_color\":\"globals\\\/colors?id=primary\",\"hover_title_color\":\"\",\"active_title_color\":\"\",\"accordion_background_active_color\":\"globals\\\/colors?id=primary\",\"accordion_background_normal_color\":\"globals\\\/colors?id=556a01c\"}},\"elements\":[{\"id\":\"05eeb49\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"d60b237\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2460<\\\/strong><strong>Primary Voltage (High Voltage Side): <\\\/strong>Typically range from 1 kV to 66 kV, with common ratings like 6kV, 10 kV, 11KV, 20KV, 33 kV, 34.5KV, 35KV<\\\/p><p><strong>\\u2461<\\\/strong><strong>Secondary Voltage (Low Voltage Side): <\\\/strong>Common secondary voltage ratings include:<\\\/p><p>\\u00b7400 V (0.4 kV) for industrial and residential supply<\\\/p><p>\\u00b711 kV or 33 kV<\\\/p><p><strong>\\u2462<\\\/strong><strong>Customization: <\\\/strong>Transformers can be designed for specific applications. If you have specific power requirements or voltage needs, we can specially design and customize transformers to meet your demands.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"9b6bfdb\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"3e23d10\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Kete oil-immersed amorphous alloy transformers mainly adopt two common cooling methods: ONAN and ONAF.<\\\/p><p>\\u2460<strong>Scope of Application of ONAN<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Transformers with small capacity<\\\/strong><\\\/p><p>Typical applicable capacity: Usually used for transformers of 10kV class with 500kVA and below, and 35kV class with 1000kVA and below.<\\\/p><p>Reason: Small-capacity transformers have low losses (small heat generation), and natural heat dissipation can meet the temperature rise requirements, with a simple structure and low cost.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Scenarios with loose installation environment<\\\/strong><\\\/p><p>Suitable for outdoor open spaces, well-ventilated indoor distribution rooms, or areas with low ambient temperatures.<\\\/p><p>If installed in enclosed spaces (such as basements), additional evaluation of heat dissipation conditions is required, and the cooling method may need to be upgraded.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Transformers with low load rate or intermittent operation<\\\/strong><\\\/p><p>For transformers that are in a light load state for a long time (load rate &lt; 50%), the heat dissipation capacity of ONAN is sufficient, without wasting energy consumption from forced cooling.<\\\/p><p>\\u2461<strong>Scope of Application of ONAF<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Medium and large capacity transformers<\\\/strong><\\\/p><p>Typical applicable capacity: 10kV class with 800kVA and above, 35kV class with 1600kVA and above for small and medium-sized transformers.<\\\/p><p>Reason: Medium and large-capacity transformers have high losses (large copper loss and iron loss), and natural heat dissipation cannot meet the temperature rise limit, so fans are needed to assist in enhancing heat dissipation.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Transformers with high load rate or continuous operation<\\\/strong><\\\/p><p>Suitable for scenarios with long-term full-load operation or large load fluctuations (needing to cope with short-term overload), such as main transformers in industrial plants and hub transformers in urban distribution networks.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Environments with limited heat dissipation conditions<\\\/strong><\\\/p><p>If the transformer is installed in a poorly ventilated indoor environment or in areas with high ambient temperatures (such as tropical regions), ONAF can make up for the deficiency of natural heat dissipation through forced air cooling, avoiding excessive oil temperature that affects service life.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"eb6a4dc\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"5f1cf45\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>The impact of ONAN (Oil-Immersed Natural Air Cooling) and ONAF (Oil-Immersed Forced Air Cooling) cooling systems of Kete oil-immersed amorphous alloy transformers on performance under different climatic conditions is as follows:<\\\/p><p>\\u2460<strong>Impact of High-Temperature Climate<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAN Cooling System:<\\\/strong> When the ambient temperature exceeds 40\\u00b0C, the heat dissipation efficiency of the ONAN cooling system decreases significantly, potentially dropping to approximately 60%. This is because high temperatures reduce the viscosity of the oil, weakening its fluidity and thus lowering the efficiency of natural convection heat dissipation. At this point, the winding temperature of the transformer rises rapidly, accelerating insulation aging. According to the Arrhenius law, the insulation life is halved for every 8\\u00b0C increase in temperature. Meanwhile, high temperatures cause a decrease in the magnetic permeability of silicon steel sheets and an increase in eddy current losses, reducing energy efficiency. The transformer may need to be derated; otherwise, there are risks of insulation damage and fire.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAF Cooling System:<\\\/strong> In high-temperature environments, the cooling effect of the fans in the ONAF cooling system diminishes. Although heat dissipation can be enhanced by adding auxiliary cooling equipment, the overall performance is still affected to a certain extent. However, compared to the ONAN cooling system, the ONAF system, with active heat dissipation by fans, achieves higher heat dissipation efficiency under the same high-temperature conditions. It can better control the transformer\\u2019s winding temperature and delay insulation aging.<\\\/p><p>\\u2461<strong>Impact of Low-Temperature Climate<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAN Cooling System:<\\\/strong> In low-temperature environments, such as temperatures below -30\\u00b0C, the viscosity of transformer oil increases sharply, leading to greater circulation resistance. This may cause heat dissipation to stagnate, or even result in oil solidification (the pour point of transformer oil is approximately -45\\u00b0C). In addition, dissolved water in the oil may turn into suspended ice crystals, increasing the risk of partial discharge. During cold startup, mechanical stress may cause welds or insulation to crack due to brittleness. Therefore, in extremely low temperatures, preheating to above 0\\u00b0C is required before commissioning.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAF Cooling System:<\\\/strong> In low-temperature environments, apart from the issue of increased oil viscosity similar to that of ONAN, the ONAF cooling system also faces the risk of fan icing. This can affect the normal operation of the fans and further impair heat dissipation efficiency.<\\\/p><p>\\u2462<strong>Impact of High-Humidity and Salt-Spray Climate<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAN Cooling System:<\\\/strong> In high-humidity environments with humidity exceeding 90%, the moisture content of insulation paper increases, causing the dielectric strength to decrease by approximately 30% and reducing the transformer\\u2019s insulation performance. In salt-spray environments, winding joints are corroded, increasing contact resistance and leading to local overheating, which affects the transformer\\u2019s normal operation and service life.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>ONAF Cooling System:<\\\/strong> High-humidity and salt-spray climates affect the ONAF cooling system similarly to ONAN, mainly causing insulation performance degradation and component corrosion. However, since the ONAF cooling system is equipped with rotating components such as fans, in high-humidity environments, additional attention must be paid to preventing issues such as moisture-induced short circuits in fan motors.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"8566f20\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"d6f876c\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>The choice between ONAN (Oil Natural Circulation and Air Natural Cooling) and ONAF (Oil Natural Circulation and Air Forced Cooling) cooling methods for Kete oil-immersed amorphous alloy transformers is corely based on the matching between the transformer's heat dissipation requirements and actual heat dissipation conditions. Specifically, it can be comprehensively judged from the following 5 key dimensions:<\\\/p><p><strong>\\u2460<\\\/strong><strong>Transformer Rated Capacity and Heat Generation from Losses<\\\/strong><\\\/p><p>This is the most fundamental basis. The heat generated by a transformer mainly comes from copper losses (load losses) and iron losses (no-load losses). The larger the capacity, the higher the losses and the stronger the heat dissipation demand:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Small-capacity transformers (low loss):<\\\/strong><\\\/p><p>When the rated capacity is small (e.g., \\u2264500kVA for 10kV class, \\u22641000kVA for 35kV class), the heat generated by losses is small. Heat can be dissipated through the natural convection of transformer oil (hot oil rises, cold oil falls) and the natural convection between the casing\\\/radiator and air, without the need for additional cooling equipment. Therefore, ONAN is preferred.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Medium and large-capacity transformers (high loss):<\\\/strong><\\\/p><p>When the capacity exceeds the above range (e.g., \\u2265800kVA for 10kV class, \\u22651600kVA for 35kV class), losses increase significantly, and the natural heat dissipation rate cannot match the heat generation. This may cause the oil temperature to exceed national standard limits (usually top oil temperature rise \\u226455K or 60K). In such cases, fans must be used to force air flow and accelerate heat dissipation, so ONAF is chosen.<\\\/p><p>\\u2461<strong>Operating Load Characteristics<\\\/strong><\\\/p><p>The actual load rate and operation mode of the transformer directly affect heat dissipation requirements:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Low load rate or intermittent operation:<\\\/strong><\\\/p><p>If the transformer operates at light load for a long time (load rate &lt; 50%) or only runs during short-term peak periods (e.g., rural distribution transformers), even if its capacity is slightly larger, the actual heat generation is low. The natural heat dissipation capacity of ONAN can meet the demand, and there is no need to waste energy on fans. Thus, ONAN is selected.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>High load rate or continuous full-load operation:<\\\/strong><\\\/p><p>For transformers in industrial parks, urban core distribution networks, and other equipment that operate at full load for a long time or have large load fluctuations (needing to cope with short-term overload), heat generation remains high. ONAN cannot meet the heat dissipation requirements, so ONAF's forced air cooling via fans is necessary. Even during overload, fans can enhance heat dissipation capacity (usually supporting 10%-20% short-term overload). Hence, ONAF is chosen.<\\\/p><p><strong>\\u2462<\\\/strong><strong>Installation Environment and Heat Dissipation Conditions<\\\/strong><\\\/p><p>Environmental factors directly affect the efficiency of natural heat dissipation, and cooling methods need to be adjusted according to scenarios:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Well-ventilated and low-temperature environments:<\\\/strong><\\\/p><p>If the transformer is installed in an open outdoor area, high-altitude regions (low air density but good ventilation), or cold areas, the efficiency of natural convection heat dissipation is high. Even if the capacity is close to the critical value, ONAN can be prioritized.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Poorly ventilated and high-temperature environments:<\\\/strong><\\\/p><p>If installed in enclosed distribution rooms, basements, tropical regions, or industrial environments with heavy dust\\\/oil pollution, natural heat dissipation is hindered. Even with a slightly smaller capacity, oil temperature may rise excessively due to poor heat dissipation conditions. In such cases, upgrading to ONAF is necessary to compensate for environmental defects through forced air flow by fans.<\\\/p><p>\\u2463<strong>Cost and Maintenance Requirements<\\\/strong><\\\/p><p>There are significant differences in initial costs and operation\\\/maintenance costs between the two cooling methods:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Advantages of ONAN:<\\\/strong><\\\/p><p>It has no fans or control circuits, resulting in a simpler structure. The initial procurement cost is low (5%-10% lower than ONAF of the same capacity), and there is no need for motor maintenance, making long-term operation and maintenance costs almost zero. It is suitable for scenarios sensitive to cost and with limited maintenance resources (e.g., rural power grids, small user transformers).<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Disadvantages and necessity of ONAF:<\\\/strong><\\\/p><p>It requires additional configuration of fans, thermostats, and power circuits, leading to higher initial costs. Fan motors need regular inspection (dust cleaning, bearing lubrication), involving certain maintenance workload and energy consumption (fan power is usually tens to hundreds of watts). However, for medium and large-capacity transformers or those with insufficient heat dissipation conditions, these costs must be borne to ensure safe operation. Thus, ONAF is a \\\"necessary choice\\\" rather than a \\\"cost-priority choice.\\\"<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"3b6302b\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"4da9555\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>According to international standards (such as IEC 60076), the design life of Kete oil-immersed amorphous alloy transformers is usually calculated as 20 years. This is the expected service life under the ideal condition of \\\"normal operating conditions + regular maintenance\\\", which refers to the time it takes for core components (iron core, windings, insulating oil) to age to a critical state within the design parameters.<\\\/p><p>Practical industry reference range: In actual power grid or industrial applications, it is a dynamic indicator affected by multiple factors such as design standards, operating conditions, and maintenance levels. The service life of transformers can generally reach 20-40 years.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"d41fa9f\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"0fd938a\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>The core limiting factor for Kete transformer lifespan is the aging rate of its insulation system (including winding insulation paper, insulating oil, and insulating components), which is determined by the following factors:<\\\/p><p><strong>\\u2460<\\\/strong><strong>Operating Temperature (the most critical factor)<\\\/strong><\\\/p><p>\\u00b7The aging rate of insulating materials, especially paper insulation, has an exponential relationship with temperature. According to the \\\"thermal aging law,\\\" the insulation lifespan is halved for every 6-8\\u2103 increase in temperature.<\\\/p><p>\\u00b7During normal operation, the maximum top oil temperature rise limit for oil-immersed transformers is typically 55K (ambient temperature + 55\\u2103). Long-term operation at excessive temperatures (e.g., top oil temperature exceeding 80\\u2103) accelerates the embrittlement of insulation paper and the cracking of insulating oil, significantly shortening the lifespan.<\\\/p><p>For example, if a transformer operating at full load or overload for a long time experiences cooling system failure leading to overheating, its lifespan may be reduced from 30 years to less than 15 years.<\\\/p><p><strong>\\u2461<\\\/strong><strong>Quality and Condition of Insulating Oil<\\\/strong><\\\/p><p>\\u00b7Insulating oil primarily functions for insulation and heat dissipation, and its performance degradation directly affects the lifespan of the insulation system.<\\\/p><p>\\u00b7Excessive moisture, increased acid value, accumulated impurities, or sludge formation in the oil reduce insulation strength and accelerate winding corrosion and aging.<\\\/p><p>\\u00b7Failure to regularly filter, regenerate, or replace the oil (it is generally recommended to test every 3-5 years and replace or regenerate every 10-15 years) will cause premature failure of the insulation system.<\\\/p><p><strong>\\u2462<\\\/strong><strong>Materials of Insulating Paper \\\/ Cardboard<\\\/strong><\\\/p><p>\\u00b7Ordinary wood pulp insulating paper: Its temperature resistance class is Class A (maximum allowable temperature: 105\\u2103). It is prone to hydrolysis in environments above 65\\u2103, with a service life of approximately 15-20 years.<\\\/p><p>\\u00b7Full cellulose insulating paper: It has better hydrolysis resistance and oxidation resistance, and its service life can be extended to 25-30 years.<\\\/p><p>\\u00b7High-temperature resistant insulating paper (e.g., NOMEX paper): Its temperature resistance class reaches Class H (180\\u2103). It can withstand higher temperature fluctuations, making it suitable for high-temperature or frequent overload scenarios, with a service life of over 30 years.<\\\/p><p>\\u2463<strong>Load Characteristics and Operating Conditions<\\\/strong><\\\/p><p>\\u00b7Long-term high load rates, frequent overloads, or short-circuit impacts cause winding overheating and increased mechanical stress, accelerating insulation fatigue:<\\\/p><p>Rural power grid or industrial transformers that frequently withstand short-term overloads (e.g., motor startup impacts) are prone to insulation aging in windings due to thermal cycles and mechanical vibrations.<\\\/p><p>\\u00b7Short-circuit faults (e.g., line short circuits causing transformers to bear huge short-circuit currents) may result in winding deformation and insulation damage. Even after repair, hidden dangers may remain, shortening the remaining lifespan.<\\\/p><p>\\u2464<strong>Environmental Conditions<\\\/strong><\\\/p><p>\\u00b7The installation environment directly affects the aging rate of insulation and components.<\\\/p><p>\\u00b7Humid, high-temperature, or highly polluted environments (with dust or chemically corrosive gases) accelerate insulation moisture absorption, oil degradation, and rusting of metal parts.<\\\/p><p>\\u00b7In high-altitude areas (where air is thin and heat dissipation is poor), insufficient heat dissipation may lead to overheating if the transformer is not specially designed.<\\\/p><p>Locations with strong vibrations (e.g., industrial workshops near pumps or fans) exacerbate winding loosening and insulation wear.<\\\/p><p>\\u2465<strong>Maintenance Level<\\\/strong><\\\/p><p>\\u00b7Lack of regular inspections (such as oil quality testing, insulation resistance testing, and partial discharge detection) prevents early faults from being identified, allowing minor issues to evolve into major defects.<\\\/p><p>\\u00b7Unrepaired faults in cooling systems (fans, oil pumps) reduce heat dissipation efficiency and cause temperature rise.<\\\/p><p>\\u00b7Neglected maintenance of accessories like bushings and tap changers may trigger local overheating or insulation breakdown, indirectly affecting the overall lifespan.<\\\/p><p><strong>\\u2466<\\\/strong><strong>Manufacturing Process<\\\/strong><\\\/p><p>\\u00b7Excessive burrs on the edges of the iron core and misaligned laminations will lead to increased no-load loss and local overheating, which indirectly accelerates insulation aging; if the iron core annealing process fails to meet standards, it will cause a decrease in the magnetic permeability of the iron core and an increase in loss.<\\\/p><p>\\u00b7Irregular arrangement of winding wires will result in insufficient tightness of the windings, increased vibration during operation, and wear of the insulating paper; poor winding impregnation process will lead to air gaps inside the windings, causing partial discharge and damaging the insulation.<\\\/p><p>\\u00b7Sand holes at the welding joints of the oil tank and inadequate tightness testing will cause oil leakage during operation; unreasonable radiator design and insufficient heat dissipation area will lead to high top oil temperature of the transformer and accelerate insulation aging.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"09a50ce\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"f9d6bbd\",\"elType\":\"widget\",\"settings\":{\"editor\":\"\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"a831a3e\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"72df141\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Mineral insulating oil in Kete oil-immersed transformers plays multiple crucial roles in ensuring the safe and stable operation of transformers.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Excellent Insulating Performance for Electrical Safety<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>High Breakdown Strength:<\\\/strong> The breakdown voltage of mineral insulating oil is typically above 30kV (high-quality products can reach over 50kV), far exceeding that of air (approximately 3kV\\\/mm). This effectively isolates conductors at different potentials and prevents short-circuit faults caused by insulation breakdown.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Low Dielectric Loss and High Volume Resistivity:<\\\/strong> It has a small dielectric loss factor (tan\\u03b4), resulting in low energy loss under electric fields and reduced heat generation. Meanwhile, its high volume resistivity (usually &gt;10\\u00b9\\u2074\\u03a9\\u30fbcm) minimizes leakage current, further enhancing insulation reliability.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Filling Insulation Gaps:<\\\/strong> Solid insulating materials such as insulating paper and cardboard inside transformers have tiny pores. Mineral insulating oil can penetrate these pores, fill air gaps, avoid partial discharge caused by air ionization, and improve the overall dielectric strength of the insulation system.<\\\/p><p><strong>\\u2461<\\\/strong><strong>Efficient Heat Dissipation to Maintain Stable Equipment Temperature Rise<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Good Thermal Conductivity:<\\\/strong> Its thermal conductivity is approximately 0.12-0.15 W\\\/(m\\u30fbK), much higher than that of air (about 0.026 W\\\/(m\\u30fbK)), enabling it to quickly absorb heat generated by windings and iron cores.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Convection Circulation Cooling:<\\\/strong> Heated insulating oil reduces in density, naturally rises to the radiator at the top of the transformer, exchanges heat with air through the radiator, cools down, and sinks, forming a circulation to continuously conduct heat out of the equipment.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Synergy with Cooling Systems:<\\\/strong> In large transformers, mineral insulating oil can work with forced oil circulation cooling systems (such as oil pumps and cooling fans) to further enhance heat dissipation efficiency, meeting the needs of high-load operation.<\\\/p><p><strong>\\u2462<\\\/strong><strong>Strong Chemical Stability to Extend Equipment Lifespan<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Excellent Oxidation Resistance:<\\\/strong> Refined mineral insulating oil (e.g., derived from naphthenic or paraffinic crude oil) contains few impurities such as sulfur and nitrogen. It is not easily oxidized at high temperatures to form acids, colloids, or sludge, reducing corrosion and blockage of insulating materials.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Low Volatility:<\\\/strong> It has a high boiling point and low volatility, so it is not prone to oil reduction or performance degradation due to volatilization during long-term operation, reducing maintenance frequency.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Good Compatibility with Solid Insulation:<\\\/strong> It is well compatible with materials commonly used in transformers, such as cellulose paper and insulating cardboard, without chemical reactions that cause material aging, jointly maintaining the stability of the insulation system.<\\\/p><p><strong>\\u2463<\\\/strong><strong>Arc Quenching and Protection to Enhance Operational Safety<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Arc Quenching Function:<\\\/strong> When an arc is generated, the oil decomposes into gases such as hydrogen and methane, which can absorb arc energy. At the same time, the flow of oil can cool the arc area, quickly extinguishing the arc and preventing fault expansion.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Isolating Air and Moisture:<\\\/strong> The oil layer covers the surface of internal components, isolating oxygen and moisture in the air, avoiding moisture-induced rust of metal components such as iron cores and windings, and reducing the risk of insulation deterioration.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Fault Diagnosis Carrier:<\\\/strong> Insulating oil generates characteristic gases (such as acetylene and hydrogen) during faults. Through Dissolved Gas Analysis (DGA) technology, potential faults can be detected in advance, providing a basis for equipment condition assessment and maintenance.<\\\/p><p><strong>\\u2464<\\\/strong><strong>Advantages in Economy and Practicality<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Controllable Cost:<\\\/strong> Mineral insulating oil has wide raw material sources (based on petroleum refining), mature production processes, and relatively low prices, making it suitable for large-scale applications in various transformers (from distribution transformers to ultra-high voltage transformers).<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Convenient Maintenance: <\\\/strong>During normal operation, only regular monitoring of oil quality (such as moisture, dielectric loss, and breakdown voltage) is required. If necessary, filtration and regeneration treatments can restore its performance, with maintenance costs lower than some synthetic insulating oils.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Strong Adaptability:<\\\/strong> It can maintain stable performance over a wide temperature range (e.g., good fluidity at low temperatures and resistance to deterioration at high temperatures), adapting to the operational needs of different climate regions.<\\\/p><p>Mineral insulating oil provides comprehensive operational protection for transformers through its four core roles: insulation, heat dissipation, chemical stability, and arc quenching protection. It is an indispensable key material in power systems. Its performance is directly related to the lifespan, efficiency, and safety of transformers, so it still dominates the power industry (although synthetic insulating oils are increasingly used in specific scenarios, mineral oil remains one of the most cost-effective choices).<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"5fb1d72\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"9f1b9a3\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Kete oil-immersed transformers typically adopt multi-level protection measures, covering internal self-protection design, external monitoring devices, and relay protection systems.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Protection Measures Against \\\"Overload\\\"<\\\/strong><\\\/p><p>Overload refers to the situation where the transformer\\u2019s load current exceeds the rated value for a long or short period, which may cause winding overheating and accelerated insulation aging. The main protection measures include:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Overload Protection (Relay Protection System)<\\\/strong><\\\/p><p>Principle: Load current of the transformer is monitored by current transformers. When the current exceeds a certain multiple of the rated value (e.g., 1.2~1.5 times) and lasts for a set threshold, the protection action is triggered.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Internal Thermal Protection Design<\\\/strong><strong>: <\\\/strong>Including winding Conductor Selection and heat Dissipation Structure Optimization: Natural heat dissipation capacity is enhanced by increasing the oil tank volume and optimizing the layout of cooling fins, mitigating temperature rise during overload.<\\\/p><p><strong>\\u2461<\\\/strong><strong>Protection Measures Against \\\"Overheating\\\"<\\\/strong><\\\/p><p>Overheating may be caused by overload, excessive core loss, or cooling system failures, requiring real-time monitoring and rapid response:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Temperature Monitoring Devices<\\\/strong><\\\/p><p>Oil Temperature Thermometer: Directly measures the upper oil temperature in the tank. An alarm is issued when the oil temperature exceeds 85\\u00b0C (typical set value).<\\\/p><p>Winding Thermometer: Simulates the winding hot-spot temperature (combining oil temperature and load current). Protection is triggered when the hot-spot temperature exceeds 105\\u00b0C.<\\\/p><p>Optical Fiber Temperature Measurement: In large transformers, optical fiber sensors are used to directly measure hot-spot temperatures of windings or cores, offering higher accuracy and faster response.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Cooling System Protection<\\\/strong><\\\/p><p>Forced Cooling Assistance: Larger-capacity transformers are equipped with forced oil circulation air cooling (OFAF) or water cooling systems. These systems automatically start when oil temperature rises to enhance heat dissipation; if the cooling system fails (e.g., fan stops), an alarm is triggered or the load is reduced.<\\\/p><p>Buchholz Relay: Light gas action may occur when high oil temperature causes oil decomposition and generates a small amount of gas, issuing an alarm to prompt inspection of overheating causes.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Over-Temperature Trip Protection<\\\/strong><\\\/p><p>When the temperature continues to rise to a dangerous level (e.g., oil temperature exceeds 95\\u00b0C or winding hot-spot temperature exceeds 120\\u00b0C), the protection system directly cuts off the transformer power supply to prevent insulation breakdown.<\\\/p><p><strong>\\u2462<\\\/strong><strong>Protection Measures Against \\\"Short Circuit\\\"<\\\/strong><\\\/p><p>Short circuits (including internal winding short circuits and external outlet short circuits) generate massive currents that may instantly damage the transformer, requiring rapid fault isolation:<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Differential Protection (Main Protection)<\\\/strong><\\\/p><p>Principle: Based on the principle that \\\"current flowing into the transformer equals current flowing out,\\\" current difference is measured by current transformers on both sides. An internal short circuit is determined when the differential current exceeds the set value.<\\\/p><p>Features: It acts rapidly (usually within tens of milliseconds) and can effectively distinguish between internal short circuits and external faults, serving as the core of transformer short-circuit protection.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Buchholz Protection (Exclusive to Internal Short Circuits)<\\\/strong><\\\/p><p>Heavy Gas Action: When an internal winding short circuit occurs, high temperatures from the short-circuit current cause intense oil decomposition, generating a large amount of gas. This pushes the Buchholz relay to act, triggering an instantaneous trip to cut off the power supply and prevent fault expansion.<\\\/p><p>Application Scenario: Particularly suitable for internal faults such as inter-turn or inter-layer winding short circuits, serving as an important supplement to differential protection.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Overcurrent Protection (Backup Protection)<\\\/strong><\\\/p><p>External Short Circuit Protection: When an external short circuit occurs (e.g., outlet short circuit), overcurrent protection detects the overcurrent and trips with a delay (the delay must avoid the impact duration of the short-circuit current), preventing the transformer from enduring long-term short-circuit currents.<\\\/p><p>Instantaneous Overcurrent Protection: For close-range external short circuits, instantaneous overcurrent protection can trip without delay to quickly isolate the fault.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Current Limiting Measures<\\\/strong><\\\/p><p>Short-Circuit Impedance Design: Windings are designed with a specific short-circuit impedance to limit the amplitude of short-circuit currents, reducing mechanical stress on windings and cores caused by short-circuit impacts.<\\\/p><p>Winding Mechanical Reinforcement: A robust winding structure (e.g., reinforced insulation binding, support strip fixation) is adopted to enhance mechanical strength against short-circuit impacts.<\\\/p><p><strong>\\u2463<\\\/strong><strong>Comprehensive Protection and Auxiliary Measures<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Grounding Protection:<\\\/strong> The transformer neutral point is grounded or grounded via an arc suppression coil. In case of a single-phase ground short circuit, zero-sequence current protection detects the fault and trips to prevent overvoltage damage to equipment.<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Backup Protection Coordination:<\\\/strong> Overload protection, overcurrent protection, etc., act as backups to provide safeguards when main protection fails, forming a multi-layered defense of \\\"main protection + backup protection.\\\"<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Online Monitoring System:<\\\/strong> Intelligent transformers are equipped with condition monitoring devices that collect real-time data on oil temperature, oil level, gas composition, partial discharge, etc. Potential faults are predicted through data analysis, enabling early warning of short-circuit or overheating risks.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"8387c87\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"8e6122e\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Kete oil-immersed transformers can be customized in multiple aspects to meet the specific needs of different customers.<\\\/p><p><strong>\\u2460<\\\/strong><strong>Rated Power and Transformation Ratio:<\\\/strong> According to the customer's power consumption requirements, the rated power and transformation ratio of the transformer can be adjusted to ensure the output of appropriate voltage and meet the needs of different loads.<\\\/p><p><strong>\\u2461<\\\/strong><strong>Overall Dimensions:<\\\/strong> If the customer's installation space is limited, manufacturers can customize transformers with special dimensions based on actual conditions to enable them to better adapt to the installation environment.<\\\/p><p><strong>\\u2462<\\\/strong><strong>Accessories and Wiring Methods:<\\\/strong> Corresponding accessories such as junction boxes, temperature probes, and gas relays can be provided according to customer requirements, and reasonable wiring methods can be designed to facilitate customers' installation and use.<\\\/p><p><strong>\\u2463<\\\/strong><strong>Winding Material:<\\\/strong> Some oil-immersed transformers offer two winding materials, full copper and full aluminum, for users to choose from. Full-copper transformers have good electrical conductivity and thermal conductivity, which can reduce resistance and temperature rise; full-aluminum transformers, on the other hand, are lighter in weight and have excellent corrosion resistance.<\\\/p><p><strong>\\u2464<\\\/strong><strong>Insulation Material:<\\\/strong> High-temperature-resistant insulation materials can be selected to meet the insulation performance requirements under special environments or operating conditions, thereby improving the reliability and service life of the transformer.<\\\/p><p><strong>\\u2465<\\\/strong><strong>Protection Level:<\\\/strong> For some special application environments, such as high-temperature, high-humidity, polluted areas, or offshore platforms, the protection level of the transformer can be improved through special design to make it adapt to harsh operating environments.<\\\/p><p><strong>\\u2466<\\\/strong><strong>Heat Dissipation Method:<\\\/strong> According to the capacity and usage environment of the transformer, the heat dissipation design can be optimized. For example, special oil channel design, increasing the number of cooling fins, or adopting forced air cooling can be used to improve heat dissipation efficiency and reduce the temperature rise of the transformer.<\\\/p><p><strong>\\u2467<\\\/strong><strong>Winding Structure:<\\\/strong> For instance, for low-voltage and high-current windings, copper foil winding can be adopted. On one hand, it reduces the transverse leakage flux of the winding to decrease eddy current loss; on the other hand, it improves the transformer's ability to withstand sudden short circuits.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true}]},{\"id\":\"0ff856d\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2161.<\\\/strong><strong>After-sales maintenance<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"020\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":65,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"35cf19d\",\"elType\":\"widget\",\"widgetType\":\"nested-accordion\",\"settings\":{\"items\":[{\"item_title\":\"1.What is included in Kete's warranty coverage during the warranty period? And how are the costs borne?\",\"_id\":\"1d2b564\"},{\"item_title\":\"2.Will Kete provide guidance documents for installation?\",\"_id\":\"6187cb3\"},{\"item_title\":\"3.If maintenance is required and spare parts are purchased from Kete, how long will it take for the spare parts to arrive?\",\"_id\":\"9244a66\"},{\"item_title\":\"4.How to handle emergency maintenance requests, and what is the typical response time?\",\"_id\":\"b474fe0\"},{\"item_title\":\"5.What kind of after-sales support can Kete provide, including troubleshooting and maintenance services?\",\"_id\":\"bab7d20\"},{\"item_title\":\"6.Can Kete provide options for service contracts or extended warranty periods?\",\"_id\":\"a2a227a\"},{\"item_title\":\"7.How should the oil in Kete oil-immersed transformers be inspected, maintained?\",\"_id\":\"668e117\"}],\"accordion_item_title_icon\":{\"value\":\"fas fa-angle-right\",\"library\":\"fa-solid\"},\"accordion_item_title_icon_active\":{\"value\":\"fas fa-angle-down\",\"library\":\"fa-solid\"},\"default_state\":\"all_collapsed\",\"max_items_expended\":\"multiple\",\"accordion_item_title_space_between\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"accordion_background_normal_background\":\"classic\",\"accordion_background_normal_color\":\"#F2F2F2\",\"accordion_background_hover_background\":\"classic\",\"accordion_background_hover_color\":\"#0055AA\",\"accordion_background_active_background\":\"classic\",\"accordion_background_active_color\":\"#0055AA\",\"title_typography_typography\":\"custom\",\"title_typography_font_family\":\"Arial\",\"title_typography_font_size\":{\"unit\":\"px\",\"size\":14,\"sizes\":[]},\"title_typography_font_weight\":\"600\",\"hover_title_color\":\"#FFFFFF\",\"active_title_color\":\"#FFFFFF\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"title_typography_typography\":\"\",\"accordion_background_hover_color\":\"globals\\\/colors?id=primary\",\"hover_title_color\":\"\",\"active_title_color\":\"\",\"accordion_background_active_color\":\"globals\\\/colors?id=primary\",\"accordion_background_normal_color\":\"globals\\\/colors?id=556a01c\"}},\"elements\":[{\"id\":\"8db37d5\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"87480e7\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Our company's warranty coverage includes performance failures caused by material defects or manufacturing process issues, such as cabinet water leakage, insulation failure, abnormal switch operation, etc.<\\\/p><p>We provide spare parts for maintenance free of charge, and will dispatch technical personnel for on-site inspection and repair if necessary, with travel expenses borne by the supplier.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"f40cd7f\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"2f33eab\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>For large transformers that require the removal of some accessories to fit into containers, we will provide an installation video and an electronic version of the installation instructions.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"a349b2f\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"7480d7f\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>If the customer needs to purchase spare parts from our company, the goods can generally be shipped within 2-7 days.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"05bb81a\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"4e882a7\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>24\\\/7 technical support hotline, ensuring a fault time of \\u2264 2 hours.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"0d9ad48\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"8572058\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>During the warranty period, regular return visits (once every 3 months) will be conducted to provide operation status testing and maintenance recommendations.<\\\/p><p>After the warranty period expires, lifelong maintenance services at cost price and spare parts supply can be provided.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"fee700e\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"26f8b2b\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Yes, we can. Generally, the warranty period for our products is one year. If an extension of the warranty period is required, we will increase the price by a certain profit margin based on the existing price accordingly.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"028283b\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"2954e81\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>The insulating oil for oil-immersed amorphous alloy transformers (referred to as \\\"transformer oil\\\") is a core medium ensuring the safe operation of transformers, with three major functions: insulation, cooling, and arc extinguishing. Deterioration in its performance may lead to insulation failure, overheating, or even explosions of transformers. Therefore, regular testing and scientific maintenance are crucial.<\\\/p><p><strong>\\u2460Core Testing Items for Transformer Oil<\\\/strong><\\\/p><p>Testing of transformer oil should combine regular preventive tests and operational condition monitoring. Key items are as follows:<\\\/p><p><strong>\\u00b7Routine Physicochemical Property Testing (Basic Indicators):<\\\/strong> Appearance and Odor, moisture Content (Trace Water), kinematic Viscosity, acid Value<\\\/p><p><strong>\\u00b7Electrical Performance Testing (Key Safety Indicators):<\\\/strong> Breakdown Voltage, dielectric Loss Factor (tan\\u03b4)<\\\/p><p><strong>\\u00b7Analysis of Dissolved Gases in Oil<\\\/strong><\\\/p><p>Principle: Internal faults in transformers (such as local overheating or arc discharge) generate characteristic gases (e.g., H\\u2082, CH\\u2084, C\\u2082H\\u2082, CO), which dissolve in the oil. The type of fault can be judged by detecting the composition and concentration of these gases.<\\\/p><p>Testing Frequency: Once after new installation or major repair; for operating transformers, once every 3 months for 330kV and above, and once every 6 months for 110kV-class.<\\\/p><p><strong>\\u00b7Other Specialized Tests<\\\/strong><\\\/p><p>Antioxidant content: For oil added with T501 antioxidant, its content should be tested (usually maintained at 0.3%~0.5%) and supplemented if insufficient.<\\\/p><p>Sludge and sediment: Sludge may form in oil after long-term operation, affecting heat dissipation and insulation. It can be detected by centrifugation or filtration.<\\\/p><p><strong>\\u2461Daily Maintenance Measures for Transformer Oil<\\\/strong><\\\/p><p><strong>\\u00b7Oil Storage and Replenishment Management<\\\/strong><\\\/p><p>Oil Storage Requirements: Transformer oil should be stored in sealed dedicated oil tanks to avoid direct sunlight, moisture, and impurity contamination. New oil can only be used after passing inspection.<\\\/p><p>Oil Replenishment Principles: Before replenishment, confirm that the brand and performance indicators of new oil are consistent with operating oil (especially breakdown voltage and acid value). Avoid mixing different types of oil (e.g., mineral oil and synthetic oil).<\\\/p><p>During replenishment, use an oil filter to remove impurities and moisture. After replenishment, bleed air to prevent bubbles from affecting insulation.<\\\/p><p><strong>\\u00b7Oil Purification Treatment<\\\/strong><\\\/p><p>When oil quality deteriorates but is not severely invalid, purification can be performed through the following methods:<\\\/p><p>Vacuum oil filtration: Removes moisture and mechanical impurities from the oil, suitable for cases where moisture exceeds the standard or breakdown voltage is slightly low.<\\\/p><p>Adsorption filtration: Uses adsorbents such as silica gel and activated alumina to remove acids, pigments, and sludge, reducing acid value and dielectric loss.<\\\/p><p>Regeneration treatment: For oil with excessively high acid value or severe oxidation, chemical regeneration methods (e.g., alkali washing) can be used to restore performance. However, the treatment process must be strictly controlled to avoid secondary pollution.<\\\/p><p><strong>\\u00b7Auxiliary Maintenance of Transformer Body<\\\/strong><\\\/p><p>Breather maintenance: Silica gel in the breather should be inspected regularly. Replace it promptly when it becomes damp and discolored (from blue to red) to prevent moisture from entering the oil tank.<\\\/p><p>Seal inspection: Regularly check the sealing of oil tanks, valves, bushings, etc., to avoid oil leakage and water ingress (replace gaskets promptly if leakage is found).<\\\/p><p>Temperature control: Ensure the transformer cooling system (fans, oil pumps) operates normally to prevent excessive oil temperature from accelerating oil aging (top oil temperature should generally not exceed 85\\u2103).<\\\/p><p><strong>\\u00b7Oil Change Cycle and Standards<\\\/strong><\\\/p><p>When multiple indicators of the oil seriously exceed the standard (e.g., breakdown voltage continues to be lower than the standard value, acid value &gt; 0.2mgKOH\\\/g, or a large amount of sludge is generated) and purification treatment fails to restore performance, an overall oil change is required.<\\\/p><p>During the oil change, old oil must be completely drained, the oil tank and components cleaned, and new oil injected. After circulating filtration and passing electrical tests, the transformer can be put into operation.<\\\/p><p><strong>\\u2462Precautions<\\\/strong><\\\/p><p><strong>\\u00b7Oil Sample Collection Specifications<\\\/strong><\\\/p><p>Special sampling tools (glass or stainless steel containers) must be used. Before sampling, rinse with the oil to be sampled at least 3 times.<\\\/p><p>Select sampling points at the bottom of the oil tank or oil drain valve (drain bottom sediment first). Avoid sampling on rainy days or when humidity &gt; 85%.<\\\/p><p>Label oil samples with equipment name, sampling time, temperature, etc., and send them to the laboratory for testing as soon as possible (storage time should not exceed 72 hours).<\\\/p><p><strong>\\u00b7Data Comparison and Analysis<\\\/strong><\\\/p><p>Test results should be compared with historical data and data from similar equipment. Focus on \\\"trend changes\\\" (e.g., sustained increase in acid value or gas concentration) rather than whether a single value meets the standard.<\\\/p><p><strong>\\u00b7Safety Protection<\\\/strong><\\\/p><p>Transformer oil is flammable. Keep away from fire sources during testing and maintenance, and use explosion-proof tools.<\\\/p><p>Wash hands promptly after contact with oil samples, and avoid long-term skin contact (some additives may be irritating).<\\\/p><p>Through the above systematic testing and maintenance, the service life of transformer oil can be effectively extended, and the safe and stable operation of transformers can be guaranteed.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true}]},{\"id\":\"685f6bb\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2162.<\\\/strong><strong>Delivery and Payment<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"020\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":65,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"400c4e4\",\"elType\":\"widget\",\"widgetType\":\"nested-accordion\",\"settings\":{\"items\":[{\"item_title\":\"1.What is the manufacturing and delivery lead time for Kete oil-immersed transformers?\",\"_id\":\"1d2b564\"},{\"item_title\":\"2.What is the packaging for Kete oil-immersed amorphous alloy transformers?\",\"_id\":\"6187cb3\"},{\"item_title\":\"3.What are the payment terms for Kete transformers?\",\"_id\":\"9244a66\"},{\"item_title\":\"4.What are the delivery terms for the bulk shipment of Kete transformers?\",\"_id\":\"b474fe0\"}],\"accordion_item_title_icon\":{\"value\":\"fas fa-angle-right\",\"library\":\"fa-solid\"},\"accordion_item_title_icon_active\":{\"value\":\"fas fa-angle-down\",\"library\":\"fa-solid\"},\"default_state\":\"all_collapsed\",\"max_items_expended\":\"multiple\",\"accordion_item_title_space_between\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"accordion_background_normal_background\":\"classic\",\"accordion_background_normal_color\":\"#F2F2F2\",\"accordion_background_hover_background\":\"classic\",\"accordion_background_hover_color\":\"#0055AA\",\"accordion_background_active_background\":\"classic\",\"accordion_background_active_color\":\"#0055AA\",\"title_typography_typography\":\"custom\",\"title_typography_font_family\":\"Arial\",\"title_typography_font_size\":{\"unit\":\"px\",\"size\":14,\"sizes\":[]},\"title_typography_font_weight\":\"600\",\"hover_title_color\":\"#FFFFFF\",\"active_title_color\":\"#FFFFFF\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"title_typography_typography\":\"\",\"accordion_background_hover_color\":\"globals\\\/colors?id=primary\",\"hover_title_color\":\"\",\"active_title_color\":\"\",\"accordion_background_active_color\":\"globals\\\/colors?id=primary\",\"accordion_background_normal_color\":\"globals\\\/colors?id=556a01c\"}},\"elements\":[{\"id\":\"13a21e2\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"a9edb1f\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Generally speaking, if the customer provides detailed design drawings and specification requirements, transformers below 2500KVA can be completed within approximately 20 days; transformers above 2500KVA usually take about 30 to 40 days. The specific lead time depends on the complexity of the transformer.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"b2e3ee1\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"563c289\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>For bulk cargo, we will use wooden cases for packaging; for full containers, we will use wooden pallets to reinforce the packaging.<\\\/p><p>If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"febed70\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"577268c\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>\\u2460T\\\/T 30% as deposit, and 70% before delivery.<\\\/p><p>\\u2461LC at sight<\\\/p><p>\\u2462DP at sight<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true},{\"id\":\"84549c5\",\"elType\":\"container\",\"settings\":{\"_title\":\"\\u9879\\u76ee #1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"eb70847\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>EXW, FOB, CFR, CIF or some other delivery terms inquired by customers.<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"\"},\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true}]},{\"id\":\"40ce24e\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p><strong>\\u2163.<\\\/strong><strong>Systems and Certifications<\\\/strong><\\\/p>\",\"typography_typography\":\"custom\",\"typography_font_family\":\"Arial\",\"typography_font_size\":{\"unit\":\"px\",\"size\":16,\"sizes\":[]},\"typography_line_height\":{\"unit\":\"px\",\"size\":20,\"sizes\":[]},\"paragraph_spacing\":{\"unit\":\"px\",\"size\":10,\"sizes\":[]},\"_padding\":{\"unit\":\"px\",\"top\":\"020\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"_element_width\":\"initial\",\"_element_custom_width\":{\"unit\":\"%\",\"size\":65,\"sizes\":[]},\"__globals__\":{\"typography_typography\":\"\",\"text_color\":\"globals\\\/colors?id=7268ef8\"}},\"elements\":[],\"widgetType\":\"text-editor\"},{\"id\":\"dee0114\",\"elType\":\"widget\",\"widgetType\":\"nested-accordion\",\"settings\":{\"items\":[{\"item_title\":\"1.Does the design of Kete oil-immersed amorphous alloy transformers comply with specific industry standards and certifications?\",\"_id\":\"1d2b564\"}],\"accordion_item_title_icon\":{\"value\":\"fas fa-angle-right\",\"library\":\"fa-solid\"},\"accordion_item_title_icon_active\":{\"value\":\"fas 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#1\",\"content_width\":\"full\",\"background_background\":\"classic\",\"padding\":{\"unit\":\"px\",\"top\":\"0\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":true},\"__globals__\":{\"background_color\":\"\"}},\"elements\":[{\"id\":\"c9d5aa0\",\"elType\":\"widget\",\"settings\":{\"editor\":\"<p>Kete Oil-Immersed Transformers Meet Various International Standards, National Standards, and Core Certification Systems<\\\/p><p><strong>\\u2460<\\\/strong><strong>General Standards: IEC 60076, GB 1094<\\\/strong><\\\/p><p><strong>\\u2461<\\\/strong><strong>Key Certification Systems<\\\/strong><\\\/p><p><strong>\\u00b7<\\\/strong><strong>Chinese Certifications:<\\\/strong> CCC Certification, ISO System Certification<\\\/p><p><strong>\\u00b7<\\\/strong><strong>EU Certification:<\\\/strong> CE Certification<\\\/p><p><strong>\\u00b7<\\\/strong><strong>US Certification:<\\\/strong> UL Certification<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Canadian Certification:<\\\/strong> GSA Certification<\\\/p><p><strong>\\u00b7<\\\/strong><strong>Russian Certification:<\\\/strong> Gost Certification<\\\/p><p><strong>\\u00b7<\\\/strong><strong>African Certification:<\\\/strong> COC Certification<\\\/p>\",\"_padding\":{\"unit\":\"px\",\"top\":\"20\",\"right\":\"0\",\"bottom\":\"0\",\"left\":\"0\",\"isLinked\":false},\"__globals__\":{\"typography_typography\":\"globals\\\/typography?id=d06f507\"}},\"elements\":[],\"widgetType\":\"text-editor\"}],\"isInner\":true,\"isLocked\":true}]}],\"isInner\":true,\"isLocked\":true}]}],\"isInner\":false}]"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) 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id=\\\"e-n-tab-content-649863462\\\" role=\\\"tabpanel\\\" aria-labelledby=\\\"e-n-tab-title-649863462\\\" data-tab-index=\\\"2\\\" style=\\\"--n-tabs-title-order: 2;\\\" class=\\\" elementor-element elementor-element-2e2154e e-con-full e-flex e-con e-child\\\" data-id=\\\"2e2154e\\\" data-element_type=\\\"container\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-0f27574 elementor-widget elementor-widget-heading\\\" data-id=\\\"0f27574\\\" data-element_type=\\\"widget\\\" data-widget_type=\\\"heading.default\\\">\\n\\t\\t\\t\\t\\t<h2 class=\\\"elementor-heading-title elementor-size-default\\\">Structural Features<\\\/h2>\\t\\t\\t\\t<\\\/div>\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" 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\\\/>\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<\\\/div>\\n\\t\\t<div id=\\\"e-n-tab-content-649863464\\\" role=\\\"tabpanel\\\" aria-labelledby=\\\"e-n-tab-title-649863464\\\" data-tab-index=\\\"4\\\" style=\\\"--n-tabs-title-order: 4;\\\" class=\\\" elementor-element elementor-element-265fa39 e-con-full e-flex e-con e-child\\\" data-id=\\\"265fa39\\\" data-element_type=\\\"container\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-73d198a elementor-widget elementor-widget-heading\\\" data-id=\\\"73d198a\\\" data-element_type=\\\"widget\\\" data-widget_type=\\\"heading.default\\\">\\n\\t\\t\\t\\t\\t<h2 class=\\\"elementor-heading-title elementor-size-default\\\">Specification<\\\/h2>\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-de4a9c0 elementor-widget elementor-widget-n-accordion\\\" data-id=\\\"de4a9c0\\\" data-element_type=\\\"widget\\\" data-settings=\\\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\\\" data-widget_type=\\\"nested-accordion.default\\\">\\n\\t\\t\\t\\t\\t\\t\\t<div class=\\\"e-n-accordion\\\" aria-label=\\\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\\\">\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2330\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"1\\\" tabindex=\\\"0\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2330\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> Customizable 10kV SH15\\\/SH21\\\/SH25 oil-immersed amorphous alloy core distribution transformer <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2330\\\" class=\\\"elementor-element elementor-element-bf0179b e-con-full e-flex e-con e-child\\\" data-id=\\\"bf0179b\\\" data-element_type=\\\"container\\\">\\n\\t\\t\\t\\t<div class=\\\"elementor-element elementor-element-0f85fed elementor-widget elementor-widget-html\\\" data-id=\\\"0f85fed\\\" data-element_type=\\\"widget\\\" data-widget_type=\\\"html.default\\\">\\n\\t\\t\\t\\t\\t<style type=\\\"text\\\/css\\\">\\r\\n.table-responsive {\\r\\n  width: 100%;\\r\\n  overflow-x: auto; \\\/* \\u5c0f\\u5c4f\\u5e55\\u53ef\\u6a2a\\u5411\\u6eda\\u52a8 *\\\/\\r\\n}\\r\\n\\r\\n\\\/* \\u8868\\u683c\\u57fa\\u7840\\u6837\\u5f0f *\\\/\\r\\n.tg  {\\r\\n  border-collapse: collapse;\\r\\n  border-spacing: 0;\\r\\n  min-width: 800px; \\\/* \\u9632\\u6b62\\u8868\\u683c\\u88ab\\u538b\\u7f29\\u5f97\\u592a\\u5c0f *\\\/\\r\\n}\\r\\n\\r\\n.tg td, .tg th {\\r\\n  border-color: black;\\r\\n  border-style: solid;\\r\\n  border-width: 1px;\\r\\n  font-family: Arial, sans-serif;\\r\\n  font-size: 14px;\\r\\n  overflow: hidden;\\r\\n  padding: 10px 5px;\\r\\n  text-align: center;\\r\\n  vertical-align: top;\\r\\n  word-break: normal;\\r\\n}\\r\\n\\r\\n.tg th {\\r\\n  font-weight: normal;\\r\\n}\\r\\n\\r\\n.tg .tg-4fhu {\\r\\n  background-color: #FFF;\\r\\n  color: #212529;\\r\\n}\\r\\n\\r\\n\\\/* \\u5e73\\u677f\\u9002\\u914d *\\\/\\r\\n@media (max-width: 1024px) {\\r\\n  .tg td, .tg th {\\r\\n    font-size: 13px;\\r\\n    padding: 8px 4px;\\r\\n  }\\r\\n}\\r\\n\\r\\n\\\/* \\u624b\\u673a\\u9002\\u914d *\\\/\\r\\n@media (max-width: 768px) {\\r\\n  .tg td, .tg th {\\r\\n    font-size: 12px;\\r\\n    padding: 6px 3px;\\r\\n  }\\r\\n}\\r\\n<\\\/style>\\r\\n\\r\\n<div class=\\\"table-responsive\\\">\\r\\n<table class=\\\"tg\\\">\\r\\n<thead>\\r\\n  <tr>\\r\\n<style type=\\\"text\\\/css\\\">\\r\\n.tg  {border-collapse:collapse;border-spacing:0;}\\r\\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\\r\\n  overflow:hidden;padding:10px 5px;word-break:normal;}\\r\\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\\r\\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\\r\\n.tg .tg-baqh{text-align:center;vertical-align:top}\\r\\n.tg .tg-wa1i{font-weight:bold;text-align:center;vertical-align:middle}\\r\\n.tg .tg-nrix{text-align:center;vertical-align:middle}\\r\\n<\\\/style>\\r\\n<table class=\\\"tg\\\"><thead>\\r\\n  <tr>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Rated Capacity<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">H.V.<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">L.V.<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Connection symbol<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" colspan=\\\"3\\\">No-load loss\\uff08w)<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" colspan=\\\"3\\\">On-load loss(w)<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\" rowspan=\\\"2\\\">Short circuit impedance<\\\/th>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <th class=\\\"tg-wa1i\\\">S15<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S21<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S25<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S15<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S21<\\\/th>\\r\\n    <th class=\\\"tg-wa1i\\\">S25<\\\/th>\\r\\n  <\\\/tr><\\\/thead>\\r\\n<tbody>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">30<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">6<br><br><br>6.3<br><br><br>10<br><br><br>10.5<br><br><br>11<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">0.4<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"19\\\">Dyn11<br><br><br><br><br>Yyn0<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">33<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">33<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">25<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630\\\/660<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">535\\\/510<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">510\\\/480<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"12\\\">4<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">43<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">43<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">35<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">910\\\/870<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">780\\\/745<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">735\\\/700<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">63<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">40<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1090\\\/1040<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">930\\\/890<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">880\\\/840<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">80<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">50<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1310\\\/1250<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1120\\\/1070<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1060\\\/1010<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">75<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">75<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">60<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1580\\\/1500<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1350\\\/1285<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1270\\\/1215<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">125<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">85<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">85<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">70<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">1890\\\/1800<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1615\\\/1540<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1530\\\/1450<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">160<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">100<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">80<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">2310\\\/2200<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1975\\\/1880<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">1870\\\/1780<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">120<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">120<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">95<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">2730\\\/2600<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2330\\\/2225<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2210\\\/2100<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">140<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">140<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">110<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">3200\\\/3050<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2735\\\/2610<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">2590\\\/2470<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">315<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">170<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">170<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">135<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">3830\\\/3650<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3275\\\/3120<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3100\\\/2950<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">400<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">160<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">4520\\\/4300<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3865\\\/3675<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">3660\\\/3480<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">240<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">240<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">190<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5410\\\/5150<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">4625\\\/4400<\\\/td>\\r\\n    <td class=\\\"tg-baqh\\\">4380\\\/4170<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">320<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">320<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">5020<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"5\\\">4.5<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">380<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">380<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">7500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6415<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">6075<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">450<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">450<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">360<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">10300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">8800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">8340<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1250<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">530<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">530<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">425<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">12000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">10260<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">9720<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">1600<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">630<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">12400<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">11745<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">2000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">720<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">710<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">550<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">18300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14800<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">14000<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\" rowspan=\\\"2\\\">5<\\\/td>\\r\\n  <\\\/tr>\\r\\n  <tr>\\r\\n    <td class=\\\"tg-nrix\\\">2500<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">865<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">860<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">670<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">21200<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">16300<\\\/td>\\r\\n    <td class=\\\"tg-nrix\\\">15450<\\\/td>\\r\\n  <\\\/tr>\\r\\n<\\\/tbody><\\\/table>   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src=\\\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-1024x819.webp\\\" class=\\\"attachment-large size-large wp-image-4851\\\" alt=\\\"\\\" srcset=\\\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-1024x819.webp 1024w, https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-300x240.webp 300w, https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-768x614.webp 768w, https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-1536x1229.webp 1536w, https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/06-35-10-0.4-1600kva\\u4ee5\\u4e0a-2-600x480.webp 600w, 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FAQs<\\\/h2>\\t\\t\\t\\t<\\\/div>\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<div class=\\\"elementor-element elementor-element-d080af3 elementor-widget elementor-widget-n-accordion\\\" data-id=\\\"d080af3\\\" data-element_type=\\\"widget\\\" data-settings=\\\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\\\" data-widget_type=\\\"nested-accordion.default\\\">\\n\\t\\t\\t\\t\\t\\t\\t<div class=\\\"e-n-accordion\\\" aria-label=\\\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\\\">\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2180\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"1\\\" tabindex=\\\"0\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2180\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 1.What are the rated voltage and power of the Kete oil-immersed amorphous alloy transformer? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2180\\\" class=\\\"elementor-element elementor-element-05eeb49 e-con-full e-flex e-con e-child\\\" data-id=\\\"05eeb49\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2181\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"2\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2181\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 2.What type of cooling system does the Kete oil-immersed amorphous alloy transformer use? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2181\\\" class=\\\"elementor-element elementor-element-9b6bfdb e-con-full e-flex e-con e-child\\\" data-id=\\\"9b6bfdb\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" 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data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2187\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"8\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2187\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 8.What type of oil is used in Kete oil-immersed transformers? What advantages does this type of oil have? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2187\\\" class=\\\"elementor-element elementor-element-a831a3e e-con-full e-flex e-con e-child\\\" data-id=\\\"a831a3e\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"{"id":"72df141","elType":"widget","settings":{"editor":"<p>Mineral insulating oil in Kete oil-immersed transformers plays multiple crucial roles in ensuring the safe and stable operation of transformers.<\/p><p><strong>\u2460<\/strong><strong>Excellent Insulating Performance for Electrical Safety<\/strong><\/p><p><strong>\u00b7<\/strong><strong>High Breakdown Strength:<\/strong> The breakdown voltage of mineral insulating oil is typically above 30kV (high-quality products can reach over 50kV), far exceeding that of air (approximately 3kV\/mm). This effectively isolates conductors at different potentials and prevents short-circuit faults caused by insulation breakdown.<\/p><p><strong>\u00b7<\/strong><strong>Low Dielectric Loss and High Volume Resistivity:<\/strong> It has a small dielectric loss factor (tan\u03b4), resulting in low energy loss under electric fields and reduced heat generation. Meanwhile, its high volume resistivity (usually &gt;10\u00b9\u2074\u03a9\u30fbcm) minimizes leakage current, further enhancing insulation reliability.<\/p><p><strong>\u00b7<\/strong><strong>Filling Insulation Gaps:<\/strong> Solid insulating materials such as insulating paper and cardboard inside transformers have tiny pores. Mineral insulating oil can penetrate these pores, fill air gaps, avoid partial discharge caused by air ionization, and improve the overall dielectric strength of the insulation system.<\/p><p><strong>\u2461<\/strong><strong>Efficient Heat Dissipation to Maintain Stable Equipment Temperature Rise<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Good Thermal Conductivity:<\/strong> Its thermal conductivity is approximately 0.12-0.15 W\/(m\u30fbK), much higher than that of air (about 0.026 W\/(m\u30fbK)), enabling it to quickly absorb heat generated by windings and iron cores.<\/p><p><strong>\u00b7<\/strong><strong>Convection Circulation Cooling:<\/strong> Heated insulating oil reduces in density, naturally rises to the radiator at the top of the transformer, exchanges heat with air through the radiator, cools down, and sinks, forming a circulation to continuously conduct heat out of the equipment.<\/p><p><strong>\u00b7<\/strong><strong>Synergy with Cooling Systems:<\/strong> In large transformers, mineral insulating oil can work with forced oil circulation cooling systems (such as oil pumps and cooling fans) to further enhance heat dissipation efficiency, meeting the needs of high-load operation.<\/p><p><strong>\u2462<\/strong><strong>Strong Chemical Stability to Extend Equipment Lifespan<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Excellent Oxidation Resistance:<\/strong> Refined mineral insulating oil (e.g., derived from naphthenic or paraffinic crude oil) contains few impurities such as sulfur and nitrogen. It is not easily oxidized at high temperatures to form acids, colloids, or sludge, reducing corrosion and blockage of insulating materials.<\/p><p><strong>\u00b7<\/strong><strong>Low Volatility:<\/strong> It has a high boiling point and low volatility, so it is not prone to oil reduction or performance degradation due to volatilization during long-term operation, reducing maintenance frequency.<\/p><p><strong>\u00b7<\/strong><strong>Good Compatibility with Solid Insulation:<\/strong> It is well compatible with materials commonly used in transformers, such as cellulose paper and insulating cardboard, without chemical reactions that cause material aging, jointly maintaining the stability of the insulation system.<\/p><p><strong>\u2463<\/strong><strong>Arc Quenching and Protection to Enhance Operational Safety<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Arc Quenching Function:<\/strong> When an arc is generated, the oil decomposes into gases such as hydrogen and methane, which can absorb arc energy. At the same time, the flow of oil can cool the arc area, quickly extinguishing the arc and preventing fault expansion.<\/p><p><strong>\u00b7<\/strong><strong>Isolating Air and Moisture:<\/strong> The oil layer covers the surface of internal components, isolating oxygen and moisture in the air, avoiding moisture-induced rust of metal components such as iron cores and windings, and reducing the risk of insulation deterioration.<\/p><p><strong>\u00b7<\/strong><strong>Fault Diagnosis Carrier:<\/strong> Insulating oil generates characteristic gases (such as acetylene and hydrogen) during faults. Through Dissolved Gas Analysis (DGA) technology, potential faults can be detected in advance, providing a basis for equipment condition assessment and maintenance.<\/p><p><strong>\u2464<\/strong><strong>Advantages in Economy and Practicality<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Controllable Cost:<\/strong> Mineral insulating oil has wide raw material sources (based on petroleum refining), mature production processes, and relatively low prices, making it suitable for large-scale applications in various transformers (from distribution transformers to ultra-high voltage transformers).<\/p><p><strong>\u00b7<\/strong><strong>Convenient Maintenance: <\/strong>During normal operation, only regular monitoring of oil quality (such as moisture, dielectric loss, and breakdown voltage) is required. If necessary, filtration and regeneration treatments can restore its performance, with maintenance costs lower than some synthetic insulating oils.<\/p><p><strong>\u00b7<\/strong><strong>Strong Adaptability:<\/strong> It can maintain stable performance over a wide temperature range (e.g., good fluidity at low temperatures and resistance to deterioration at high temperatures), adapting to the operational needs of different climate regions.<\/p><p>Mineral insulating oil provides comprehensive operational protection for transformers through its four core roles: insulation, heat dissipation, chemical stability, and arc quenching protection. It is an indispensable key material in power systems. Its performance is directly related to the lifespan, efficiency, and safety of transformers, so it still dominates the power industry (although synthetic insulating oils are increasingly used in specific scenarios, mineral oil remains one of the most cost-effective choices).<\/p>","_padding":{"unit":"px","top":"20","right":"0","bottom":"0","left":"0","isLinked":false},"__globals__":{"typography_typography":""},"typography_typography":"custom","typography_font_family":"Arial","typography_font_size":{"unit":"px","size":16,"sizes":[]},"typography_line_height":{"unit":"px","size":20,"sizes":[]},"paragraph_spacing":{"unit":"px","size":20,"sizes":[]}},"elements":[],"widgetType":"text-editor"}\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2188\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"9\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2188\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 9.What protective measures does the Kete oil-immersed transformer have against overload, overheating, and short circuits? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2188\\\" class=\\\"elementor-element elementor-element-5fb1d72 e-con-full e-flex e-con e-child\\\" data-id=\\\"5fb1d72\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"{"id":"9f1b9a3","elType":"widget","settings":{"editor":"<p>Kete oil-immersed transformers typically adopt multi-level protection measures, covering internal self-protection design, external monitoring devices, and relay protection systems.<\/p><p><strong>\u2460<\/strong><strong>Protection Measures Against \"Overload\"<\/strong><\/p><p>Overload refers to the situation where the transformer\u2019s load current exceeds the rated value for a long or short period, which may cause winding overheating and accelerated insulation aging. The main protection measures include:<\/p><p><strong>\u00b7<\/strong><strong>Overload Protection (Relay Protection System)<\/strong><\/p><p>Principle: Load current of the transformer is monitored by current transformers. When the current exceeds a certain multiple of the rated value (e.g., 1.2~1.5 times) and lasts for a set threshold, the protection action is triggered.<\/p><p><strong>\u00b7<\/strong><strong>Internal Thermal Protection Design<\/strong><strong>: <\/strong>Including winding Conductor Selection and heat Dissipation Structure Optimization: Natural heat dissipation capacity is enhanced by increasing the oil tank volume and optimizing the layout of cooling fins, mitigating temperature rise during overload.<\/p><p><strong>\u2461<\/strong><strong>Protection Measures Against \"Overheating\"<\/strong><\/p><p>Overheating may be caused by overload, excessive core loss, or cooling system failures, requiring real-time monitoring and rapid response:<\/p><p><strong>\u00b7<\/strong><strong>Temperature Monitoring Devices<\/strong><\/p><p>Oil Temperature Thermometer: Directly measures the upper oil temperature in the tank. An alarm is issued when the oil temperature exceeds 85\u00b0C (typical set value).<\/p><p>Winding Thermometer: Simulates the winding hot-spot temperature (combining oil temperature and load current). Protection is triggered when the hot-spot temperature exceeds 105\u00b0C.<\/p><p>Optical Fiber Temperature Measurement: In large transformers, optical fiber sensors are used to directly measure hot-spot temperatures of windings or cores, offering higher accuracy and faster response.<\/p><p><strong>\u00b7<\/strong><strong>Cooling System Protection<\/strong><\/p><p>Forced Cooling Assistance: Larger-capacity transformers are equipped with forced oil circulation air cooling (OFAF) or water cooling systems. These systems automatically start when oil temperature rises to enhance heat dissipation; if the cooling system fails (e.g., fan stops), an alarm is triggered or the load is reduced.<\/p><p>Buchholz Relay: Light gas action may occur when high oil temperature causes oil decomposition and generates a small amount of gas, issuing an alarm to prompt inspection of overheating causes.<\/p><p><strong>\u00b7<\/strong><strong>Over-Temperature Trip Protection<\/strong><\/p><p>When the temperature continues to rise to a dangerous level (e.g., oil temperature exceeds 95\u00b0C or winding hot-spot temperature exceeds 120\u00b0C), the protection system directly cuts off the transformer power supply to prevent insulation breakdown.<\/p><p><strong>\u2462<\/strong><strong>Protection Measures Against \"Short Circuit\"<\/strong><\/p><p>Short circuits (including internal winding short circuits and external outlet short circuits) generate massive currents that may instantly damage the transformer, requiring rapid fault isolation:<\/p><p><strong>\u00b7<\/strong><strong>Differential Protection (Main Protection)<\/strong><\/p><p>Principle: Based on the principle that \"current flowing into the transformer equals current flowing out,\" current difference is measured by current transformers on both sides. An internal short circuit is determined when the differential current exceeds the set value.<\/p><p>Features: It acts rapidly (usually within tens of milliseconds) and can effectively distinguish between internal short circuits and external faults, serving as the core of transformer short-circuit protection.<\/p><p><strong>\u00b7<\/strong><strong>Buchholz Protection (Exclusive to Internal Short Circuits)<\/strong><\/p><p>Heavy Gas Action: When an internal winding short circuit occurs, high temperatures from the short-circuit current cause intense oil decomposition, generating a large amount of gas. This pushes the Buchholz relay to act, triggering an instantaneous trip to cut off the power supply and prevent fault expansion.<\/p><p>Application Scenario: Particularly suitable for internal faults such as inter-turn or inter-layer winding short circuits, serving as an important supplement to differential protection.<\/p><p><strong>\u00b7<\/strong><strong>Overcurrent Protection (Backup Protection)<\/strong><\/p><p>External Short Circuit Protection: When an external short circuit occurs (e.g., outlet short circuit), overcurrent protection detects the overcurrent and trips with a delay (the delay must avoid the impact duration of the short-circuit current), preventing the transformer from enduring long-term short-circuit currents.<\/p><p>Instantaneous Overcurrent Protection: For close-range external short circuits, instantaneous overcurrent protection can trip without delay to quickly isolate the fault.<\/p><p><strong>\u00b7<\/strong><strong>Current Limiting Measures<\/strong><\/p><p>Short-Circuit Impedance Design: Windings are designed with a specific short-circuit impedance to limit the amplitude of short-circuit currents, reducing mechanical stress on windings and cores caused by short-circuit impacts.<\/p><p>Winding Mechanical Reinforcement: A robust winding structure (e.g., reinforced insulation binding, support strip fixation) is adopted to enhance mechanical strength against short-circuit impacts.<\/p><p><strong>\u2463<\/strong><strong>Comprehensive Protection and Auxiliary Measures<\/strong><\/p><p><strong>\u00b7<\/strong><strong>Grounding Protection:<\/strong> The transformer neutral point is grounded or grounded via an arc suppression coil. In case of a single-phase ground short circuit, zero-sequence current protection detects the fault and trips to prevent overvoltage damage to equipment.<\/p><p><strong>\u00b7<\/strong><strong>Backup Protection Coordination:<\/strong> Overload protection, overcurrent protection, etc., act as backups to provide safeguards when main protection fails, forming a multi-layered defense of \"main protection + backup protection.\"<\/p><p><strong>\u00b7<\/strong><strong>Online Monitoring System:<\/strong> Intelligent transformers are equipped with condition monitoring devices that collect real-time data on oil temperature, oil level, gas composition, partial discharge, etc. Potential faults are predicted through data analysis, enabling early warning of short-circuit or overheating risks.<\/p>","_padding":{"unit":"px","top":"20","right":"0","bottom":"0","left":"0","isLinked":false},"__globals__":{"typography_typography":""},"typography_typography":"custom","typography_font_family":"Arial","typography_font_size":{"unit":"px","size":16,"sizes":[]},"typography_line_height":{"unit":"px","size":20,"sizes":[]},"paragraph_spacing":{"unit":"px","size":20,"sizes":[]}},"elements":[],"widgetType":"text-editor"}\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-2189\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"10\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-2189\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 10.What aspects of Kete oil-immersed transformers can be customized? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-2189\\\" class=\\\"elementor-element elementor-element-8387c87 e-con-full e-flex e-con e-child\\\" data-id=\\\"8387c87\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" 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elementor-element-35cf19d elementor-widget elementor-widget-n-accordion\\\" data-id=\\\"35cf19d\\\" data-element_type=\\\"widget\\\" data-settings=\\\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\\\" data-widget_type=\\\"nested-accordion.default\\\">\\n\\t\\t\\t\\t\\t\\t\\t<div class=\\\"e-n-accordion\\\" aria-label=\\\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\\\">\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5640\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"1\\\" tabindex=\\\"0\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5640\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 1.What is included in Kete's warranty coverage during the warranty period? And how are the costs borne? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5640\\\" class=\\\"elementor-element elementor-element-8db37d5 e-con-full e-flex e-con e-child\\\" data-id=\\\"8db37d5\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5641\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"2\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5641\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 2.Will Kete provide guidance documents for installation? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5641\\\" class=\\\"elementor-element elementor-element-f40cd7f e-con-full e-flex e-con e-child\\\" data-id=\\\"f40cd7f\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5642\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"3\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5642\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 3.If maintenance is required and spare parts are purchased from Kete, how long will it take for the spare parts to arrive? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5642\\\" class=\\\"elementor-element elementor-element-a349b2f e-con-full e-flex e-con e-child\\\" data-id=\\\"a349b2f\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5643\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"4\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5643\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 4.How to handle emergency maintenance requests, and what is the typical response time? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5643\\\" class=\\\"elementor-element elementor-element-05bb81a e-con-full e-flex e-con e-child\\\" data-id=\\\"05bb81a\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5644\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"5\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5644\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 5.What kind of after-sales support can Kete provide, including troubleshooting and maintenance services? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5644\\\" class=\\\"elementor-element elementor-element-0d9ad48 e-con-full e-flex e-con e-child\\\" data-id=\\\"0d9ad48\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"eyJpZCI6Ijg1NzIwNTgiLCJlbFR5cGUiOiJ3aWRnZXQiLCJzZXR0aW5ncyI6eyJlZGl0b3IiOiI8cD5EdXJpbmcgdGhlIHdhcnJhbnR5IHBlcmlvZCwgcmVndWxhciByZXR1cm4gdmlzaXRzIChvbmNlIGV2ZXJ5IDMgbW9udGhzKSB3aWxsIGJlIGNvbmR1Y3RlZCB0byBwcm92aWRlIG9wZXJhdGlvbiBzdGF0dXMgdGVzdGluZyBhbmQgbWFpbnRlbmFuY2UgcmVjb21tZW5kYXRpb25zLjxcL3A+PHA+QWZ0ZXIgdGhlIHdhcnJhbnR5IHBlcmlvZCBleHBpcmVzLCBsaWZlbG9uZyBtYWludGVuYW5jZSBzZXJ2aWNlcyBhdCBjb3N0IHByaWNlIGFuZCBzcGFyZSBwYXJ0cyBzdXBwbHkgY2FuIGJlIHByb3ZpZGVkLjxcL3A+IiwiX3BhZGRpbmciOnsidW5pdCI6InB4IiwidG9wIjoiMjAiLCJyaWdodCI6IjAiLCJib3R0b20iOiIwIiwibGVmdCI6IjAiLCJpc0xpbmtlZCI6ZmFsc2V9LCJfX2dsb2JhbHNfXyI6eyJ0eXBvZ3JhcGh5X3R5cG9ncmFwaHkiOiJnbG9iYWxzXC90eXBvZ3JhcGh5P2lkPWQwNmY1MDcifX0sImVsZW1lbnRzIjpbXSwid2lkZ2V0VHlwZSI6InRleHQtZWRpdG9yIn0=\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5645\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"6\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5645\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 6.Can Kete provide options for service contracts or extended warranty periods? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5645\\\" class=\\\"elementor-element elementor-element-fee700e e-con-full e-flex e-con e-child\\\" data-id=\\\"fee700e\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-5646\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"7\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-5646\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 7.How should the oil in Kete oil-immersed transformers be inspected, maintained? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-5646\\\" class=\\\"elementor-element elementor-element-028283b e-con-full e-flex e-con e-child\\\" data-id=\\\"028283b\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"{"id":"2954e81","elType":"widget","settings":{"editor":"<p>The insulating oil for oil-immersed amorphous alloy transformers (referred to as \"transformer oil\") is a core medium ensuring the safe operation of transformers, with three major functions: insulation, cooling, and arc extinguishing. Deterioration in its performance may lead to insulation failure, overheating, or even explosions of transformers. Therefore, regular testing and scientific maintenance are crucial.<\/p><p><strong>\u2460Core Testing Items for Transformer Oil<\/strong><\/p><p>Testing of transformer oil should combine regular preventive tests and operational condition monitoring. Key items are as follows:<\/p><p><strong>\u00b7Routine Physicochemical Property Testing (Basic Indicators):<\/strong> Appearance and Odor, moisture Content (Trace Water), kinematic Viscosity, acid Value<\/p><p><strong>\u00b7Electrical Performance Testing (Key Safety Indicators):<\/strong> Breakdown Voltage, dielectric Loss Factor (tan\u03b4)<\/p><p><strong>\u00b7Analysis of Dissolved Gases in Oil<\/strong><\/p><p>Principle: Internal faults in transformers (such as local overheating or arc discharge) generate characteristic gases (e.g., H\u2082, CH\u2084, C\u2082H\u2082, CO), which dissolve in the oil. The type of fault can be judged by detecting the composition and concentration of these gases.<\/p><p>Testing Frequency: Once after new installation or major repair; for operating transformers, once every 3 months for 330kV and above, and once every 6 months for 110kV-class.<\/p><p><strong>\u00b7Other Specialized Tests<\/strong><\/p><p>Antioxidant content: For oil added with T501 antioxidant, its content should be tested (usually maintained at 0.3%~0.5%) and supplemented if insufficient.<\/p><p>Sludge and sediment: Sludge may form in oil after long-term operation, affecting heat dissipation and insulation. It can be detected by centrifugation or filtration.<\/p><p><strong>\u2461Daily Maintenance Measures for Transformer Oil<\/strong><\/p><p><strong>\u00b7Oil Storage and Replenishment Management<\/strong><\/p><p>Oil Storage Requirements: Transformer oil should be stored in sealed dedicated oil tanks to avoid direct sunlight, moisture, and impurity contamination. New oil can only be used after passing inspection.<\/p><p>Oil Replenishment Principles: Before replenishment, confirm that the brand and performance indicators of new oil are consistent with operating oil (especially breakdown voltage and acid value). Avoid mixing different types of oil (e.g., mineral oil and synthetic oil).<\/p><p>During replenishment, use an oil filter to remove impurities and moisture. After replenishment, bleed air to prevent bubbles from affecting insulation.<\/p><p><strong>\u00b7Oil Purification Treatment<\/strong><\/p><p>When oil quality deteriorates but is not severely invalid, purification can be performed through the following methods:<\/p><p>Vacuum oil filtration: Removes moisture and mechanical impurities from the oil, suitable for cases where moisture exceeds the standard or breakdown voltage is slightly low.<\/p><p>Adsorption filtration: Uses adsorbents such as silica gel and activated alumina to remove acids, pigments, and sludge, reducing acid value and dielectric loss.<\/p><p>Regeneration treatment: For oil with excessively high acid value or severe oxidation, chemical regeneration methods (e.g., alkali washing) can be used to restore performance. However, the treatment process must be strictly controlled to avoid secondary pollution.<\/p><p><strong>\u00b7Auxiliary Maintenance of Transformer Body<\/strong><\/p><p>Breather maintenance: Silica gel in the breather should be inspected regularly. Replace it promptly when it becomes damp and discolored (from blue to red) to prevent moisture from entering the oil tank.<\/p><p>Seal inspection: Regularly check the sealing of oil tanks, valves, bushings, etc., to avoid oil leakage and water ingress (replace gaskets promptly if leakage is found).<\/p><p>Temperature control: Ensure the transformer cooling system (fans, oil pumps) operates normally to prevent excessive oil temperature from accelerating oil aging (top oil temperature should generally not exceed 85\u2103).<\/p><p><strong>\u00b7Oil Change Cycle and Standards<\/strong><\/p><p>When multiple indicators of the oil seriously exceed the standard (e.g., breakdown voltage continues to be lower than the standard value, acid value &gt; 0.2mgKOH\/g, or a large amount of sludge is generated) and purification treatment fails to restore performance, an overall oil change is required.<\/p><p>During the oil change, old oil must be completely drained, the oil tank and components cleaned, and new oil injected. After circulating filtration and passing electrical tests, the transformer can be put into operation.<\/p><p><strong>\u2462Precautions<\/strong><\/p><p><strong>\u00b7Oil Sample Collection Specifications<\/strong><\/p><p>Special sampling tools (glass or stainless steel containers) must be used. Before sampling, rinse with the oil to be sampled at least 3 times.<\/p><p>Select sampling points at the bottom of the oil tank or oil drain valve (drain bottom sediment first). Avoid sampling on rainy days or when humidity &gt; 85%.<\/p><p>Label oil samples with equipment name, sampling time, temperature, etc., and send them to the laboratory for testing as soon as possible (storage time should not exceed 72 hours).<\/p><p><strong>\u00b7Data Comparison and Analysis<\/strong><\/p><p>Test results should be compared with historical data and data from similar equipment. Focus on \"trend changes\" (e.g., sustained increase in acid value or gas concentration) rather than whether a single value meets the standard.<\/p><p><strong>\u00b7Safety Protection<\/strong><\/p><p>Transformer oil is flammable. Keep away from fire sources during testing and maintenance, and use explosion-proof tools.<\/p><p>Wash hands promptly after contact with oil samples, and avoid long-term skin contact (some additives may be irritating).<\/p><p>Through the above systematic testing and maintenance, the service life of transformer oil can be effectively extended, and the safe and stable operation of transformers can be guaranteed.<\/p>","_padding":{"unit":"px","top":"20","right":"0","bottom":"0","left":"0","isLinked":false},"__globals__":{"typography_typography":""},"typography_typography":"custom","typography_font_family":"Arial","typography_font_size":{"unit":"px","size":16,"sizes":[]},"typography_line_height":{"unit":"px","size":20,"sizes":[]},"paragraph_spacing":{"unit":"px","size":20,"sizes":[]}},"elements":[],"widgetType":"text-editor"}\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t\\t<\\\/div>\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<div class=\\\"elementor-element elementor-element-400c4e4 elementor-widget elementor-widget-n-accordion\\\" data-id=\\\"400c4e4\\\" data-element_type=\\\"widget\\\" data-settings=\\\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;multiple&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\\\" data-widget_type=\\\"nested-accordion.default\\\">\\n\\t\\t\\t\\t\\t\\t\\t<div class=\\\"e-n-accordion\\\" aria-label=\\\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\\\">\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-6710\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"1\\\" tabindex=\\\"0\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-6710\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 1.What is the manufacturing and delivery lead time for Kete oil-immersed transformers? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-6710\\\" class=\\\"elementor-element elementor-element-13a21e2 e-con-full e-flex e-con e-child\\\" data-id=\\\"13a21e2\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-6711\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"2\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-6711\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 2.What is the packaging for Kete oil-immersed amorphous alloy transformers? <\\\/div><\\\/span>\\n\\t\\t\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-icon'>\\n\\t\\t\\t<span class='e-opened' ><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-down\\\" viewBox=\\\"0 0 320 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M143 352.3L7 216.3c-9.4-9.4-9.4-24.6 0-33.9l22.6-22.6c9.4-9.4 24.6-9.4 33.9 0l96.4 96.4 96.4-96.4c9.4-9.4 24.6-9.4 33.9 0l22.6 22.6c9.4 9.4 9.4 24.6 0 33.9l-136 136c-9.2 9.4-24.4 9.4-33.8 0z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t\\t<span class='e-closed'><svg aria-hidden=\\\"true\\\" class=\\\"e-font-icon-svg e-fas-angle-right\\\" viewBox=\\\"0 0 256 512\\\" xmlns=\\\"http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\\"><path d=\\\"M224.3 273l-136 136c-9.4 9.4-24.6 9.4-33.9 0l-22.6-22.6c-9.4-9.4-9.4-24.6 0-33.9l96.4-96.4-96.4-96.4c-9.4-9.4-9.4-24.6 0-33.9L54.3 103c9.4-9.4 24.6-9.4 33.9 0l136 136c9.5 9.4 9.5 24.6.1 34z\\\"><\\\/path><\\\/svg><\\\/span>\\n\\t\\t<\\\/span>\\n\\n\\t\\t\\t\\t\\t\\t<\\\/summary>\\n\\t\\t\\t\\t<div role=\\\"region\\\" aria-labelledby=\\\"e-n-accordion-item-6711\\\" class=\\\"elementor-element elementor-element-b2e3ee1 e-con-full e-flex e-con e-child\\\" data-id=\\\"b2e3ee1\\\" data-element_type=\\\"container\\\" data-settings=\\\"{&quot;background_background&quot;:&quot;classic&quot;}\\\">\\n\\t\\t[elementor-element k=\\\"43aca594a86d0bbe94de5159700c1e94\\\" data=\\\"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\\\"]\\t\\t<\\\/div>\\n\\t\\t\\t\\t\\t<\\\/details>\\n\\t\\t\\t\\t\\t\\t<details id=\\\"e-n-accordion-item-6712\\\" class=\\\"e-n-accordion-item\\\" >\\n\\t\\t\\t\\t<summary class=\\\"e-n-accordion-item-title\\\" data-accordion-index=\\\"3\\\" tabindex=\\\"-1\\\" aria-expanded=\\\"false\\\" aria-controls=\\\"e-n-accordion-item-6712\\\" >\\n\\t\\t\\t\\t\\t<span class='e-n-accordion-item-title-header'><div class=\\\"e-n-accordion-item-title-text\\\"> 3.What are the payment terms for Kete transformers? 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