{"id":2623,"date":"2025-09-01T02:18:38","date_gmt":"2025-09-01T02:18:38","guid":{"rendered":"https:\/\/www.ketetransformer.com\/?p=2623"},"modified":"2025-09-16T08:41:17","modified_gmt":"2025-09-16T08:41:17","slug":"what-is-dry-type-transformer","status":"publish","type":"post","link":"https:\/\/www.ketetransformer.com\/ru\/what-is-dry-type-transformer\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440 \u0441\u0443\u0445\u043e\u0433\u043e \u0442\u0438\u043f\u0430?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"2623\" class=\"elementor elementor-2623\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-acf1cc9 e-con-full e-flex e-con e-parent\" data-id=\"acf1cc9\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b21235a elementor-widget__width-inherit elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"b21235a\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h4&quot;,&quot;h5&quot;,&quot;h6&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;no_headings_message&quot;:&quot;No headings were found on this page.&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;em&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;em&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;em&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__header\">\n\t\t\t\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tTable of Contents\t\t\t<\/h4>\n\t\t\t\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b21235a\" aria-expanded=\"true\" aria-label=\"Open table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__b21235a\" aria-expanded=\"true\" aria-label=\"Close table of contents\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<div id=\"elementor-toc__b21235a\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewBox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-112ee2c e-flex e-con-boxed e-con e-parent\" data-id=\"112ee2c\" 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-442604e elementor-widget elementor-widget-text-editor\" data-id=\"442604e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h5>1. What is a Dry Type Transformer? Structure and Operating Principles<\/h5>\n<div>A dry-type transformer is a type of transformer where the core and windings are not immersed in insulating liquid, relying primarily on natural or forced air convection for cooling.&nbsp;<span style=\"font-style: inherit; font-weight: inherit;\">Compared to oil-immersed transformers, dry-type transformers eliminate safety hazards such as oil leakage, fire, and explosions, better meeting the modern power system&#8217;s requirements for safety, environmental protection, and intelligence.<\/span><\/div>\n<p><img decoding=\"async\" src=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/08\/d03c1c4f-9354-4518-b4ef-e2d014b0379f.webp\" alt=\"https:\/\/www.ketetransformer.com\/wp-content\/uploads\/2025\/08\/d03c1c4f-9354-4518-b4ef-e2d014b0379f.webp\"><\/p>\n<h5>2. Advantages and Disadvantages of Dry Type Transformers<\/h5>\n<p><strong>Performance Characteristics of Dry-Type Transformers<\/strong><\/p>\n<p>1. <strong>High Safety<\/strong><\/p>\n<p>Dry-type transformers utilize non-flammable resin that is inherently non-combustible, flame-retardant, and incapable of explosion or releasing toxic gases. They pose no risks to the environment, surrounding equipment, or human health. These transformers exhibit high resistance to humidity, dust, and pollution, with no risk of partial discharge during operation and zero possibility of insulation cracking over time.<\/p>\n<p>2. <strong>High Reliability<\/strong><\/p>\n<p>Both high-voltage and low-voltage windings are insulated with NOMEX\u00ae material and undergo multiple impregnations with H-class (180\u00b0C) solvent-free varnish using VPI (Vacuum Pressure Impregnation) equipment, followed by high-temperature baking curing. The transformer is rated for H-class thermal endurance (180\u00b0C), while its primary insulation material (NOMEX\u00ae) is rated for C-class (220\u00b0C), ensuring superior overload capacity and excellent short-circuit withstand capability. Under well-ventilated conditions, the transformer permits 20% overload operation.<\/p>\n<p>3. <strong>Energy Efficiency &amp; Environmental Friendliness<\/strong><\/p>\n<p>At the end of its service life, the transformer\u2019s steel and iron components are easily recyclable. All NOMEX\u00ae paper insulation materials burn without releasing toxic substances, while other insulating materials are biodegradable and non-polluting. The transformer features low energy losses for enhanced efficiency, low operational noise, and flexible design adaptability to diverse application needs.<\/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\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Table of Contents 1. What is a Dry Type Transformer? Structure and Operating Principles A dry-type transformer is a type of transformer where the core and windings are not immersed in insulating liquid, relying primarily on natural or forced air convection for cooling.&nbsp;Compared to oil-immersed transformers, dry-type transformers eliminate safety hazards such as oil leakage, 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What is a Dry Type Transformer? Structure and Operating Principles<\\\/h5>\\n<div>A dry-type transformer is a type of transformer where the core and windings are not immersed in insulating liquid, relying primarily on natural or forced air convection for cooling.&nbsp;<span style=\\\"font-style: inherit; font-weight: inherit;\\\">Compared to oil-immersed transformers, dry-type transformers eliminate safety hazards such as oil leakage, fire, and explosions, better meeting the modern power system's requirements for safety, environmental protection, and intelligence.<\\\/span><\\\/div>\\n<p><img src=\\\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/d03c1c4f-9354-4518-b4ef-e2d014b0379f.webp\\\" alt=\\\"https:\\\/\\\/www.ketetransformer.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/d03c1c4f-9354-4518-b4ef-e2d014b0379f.webp\\\"><\\\/p>\\n<h5>2. Advantages and Disadvantages of Dry Type Transformers<\\\/h5>\\n<p><strong>Performance Characteristics of Dry-Type Transformers<\\\/strong><\\\/p>\\n<p>1. <strong>High Safety<\\\/strong><\\\/p>\\n<p>Dry-type transformers utilize non-flammable resin that is inherently non-combustible, flame-retardant, and incapable of explosion or releasing toxic gases. They pose no risks to the environment, surrounding equipment, or human health. These transformers exhibit high resistance to humidity, dust, and pollution, with no risk of partial discharge during operation and zero possibility of insulation cracking over time.<\\\/p>\\n<p>2. <strong>High Reliability<\\\/strong><\\\/p>\\n<p>Both high-voltage and low-voltage windings are insulated with NOMEX\\u00ae material and undergo multiple impregnations with H-class (180\\u00b0C) solvent-free varnish using VPI (Vacuum Pressure Impregnation) equipment, followed by high-temperature baking curing. 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