{"id":1263,"date":"2026-07-22T05:33:05","date_gmt":"2026-07-22T05:33:05","guid":{"rendered":"https:\/\/lstransformer.com\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/"},"modified":"2026-09-27T13:11:52","modified_gmt":"2026-09-27T13:11:52","slug":"what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/es\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/","title":{"rendered":"What is the Insulation accident under the overvoltage of the transformer?"},"content":{"rendered":"

What is the Insulation accident under the overvoltage of the transformer?<\/span><\/b><\/h1>\n

Transformer undertakes the important task of voltage transformation and energy transmission in the power system. However, under the condition of overvoltage, the transformer may encounter various insulation accidents, which will seriously threaten its safe operation. The following are the main types of insulation accidents:<\/p>\n

Contenido<\/strong><\/h2>\n

1. Wrap insulation breakdown<\/em><\/h3>\n

Under the action of overvoltage, the main insulation and turn insulation of the transformer winding may be seriously tested. The high voltage may lead to the instantaneous breakdown of the insulation layer, forming a short circuit channel inside the winding, and then causing the winding burning accident.<\/p>\n

2. The sleeve flash<\/em><\/h3>\n

As the connecting part of the transformer and the external circuit, the insulation performance of the casing is crucial. Under overvoltage conditions, the insulation outside the casing may be discharged along the surface or air gap breakdown, leading to flashover accident and affecting the normal operation of the transformer.<\/p>\n

3. Splter switch arc discharge<\/em><\/h3>\n

The tap switch plays a key role in regulating the transformer output voltage. However, the overvoltage may cause the arc discharge inside the tap switch, leading to the contact ablation, oil quality deterioration, and even cause the switch explosion and other serious consequences.<\/p>\n

\"\"<\/a><\/p>\n

4. <\/em>The iron heart discharges to the ground<\/em><\/b><\/h3>\n

Core is the core component of transformer, and its insulation performance is crucial to the overall safety of transformer. In the case of overvoltage, the insulation between the core and the ground may be damaged, and the ground discharge phenomenon occurs, and then cause the core overheating, damage and other accidents.<\/p>\n

En Resumen<\/span><\/b><\/h2>\n

To sum up, the transformer may face various insulation accidents such as winding insulation breakdown, casing flashover, tap switch arc discharge and core discharge under overvoltage. In order to ensure the safe and reliable operation of the transformer, effective overvoltage protection measures should be taken, and regular insulation performance detection and maintenance.<\/p>\n

Contacto<\/h2>\n

LuShan, est. En 1975, es un Chino fabricante profesional que se especializa en los transformadores de potencia y reactores de m\u00e1s de 50 a\u00f1os. Los productos principales son transformador monof\u00e1sico, trif\u00e1sico de transformadores de aislamiento, transformador el\u00e9ctrico, transformador de distribuci\u00f3n, el paso hacia abajo y paso transformador de baja tensi\u00f3n del transformador, transformador de alto voltaje, transformador de control, transformador toroidal, R-transformador con n\u00facleo; DC inductores, CA reactores, filtrado de reactor de l\u00ednea y de carga del reactor, estrangulaciones, el filtrado de los reactores y de los intermedios, de alta frecuencia de los productos<\/a>.<\/p>\n

Nuestros transformadores de potencia y reactores son ampliamente utilizados en las 10 \u00e1reas de aplicaci\u00f3n: rapid transit, maquinaria de construcci\u00f3n, energ\u00eda renovable, de fabricaci\u00f3n inteligentes, equipos m\u00e9dicos, la mina de carb\u00f3n de la explosi\u00f3n de la prevenci\u00f3n, el sistema de excitaci\u00f3n, de vac\u00edo, de sinterizaci\u00f3n(horno), aire acondicionado central.<\/p>\n

Saber m\u00e1s acerca de transformadores de potencia y reactores: www.lstransformer.com<\/a>.<\/p>\n

Si desea obtener soluciones personalizadas para transformadores o reactores, p\u00f3ngase en contacto con nosotros.
\nWhatsApp\uff1a+86 13787095096
\nCorreo electr\u00f3nico: marketing@hnlsdz.com<\/p>","protected":false},"excerpt":{"rendered":"

What is the Insulation accident under the overvoltage of the transformer? Transformer undertakes the important task of voltage transformation and energy transmission in the power system. However, under the condition of overvoltage, the transformer may encounter various insulation accidents, which will seriously threaten its safe operation. The following are the main types of insulation accidents: […]<\/p>\n","protected":false},"author":3,"featured_media":2982,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[48],"tags":[],"class_list":["post-1263","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nWhat is the Insulation accident under the overvoltage of the transformer? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"Transformer undertakes the important task of voltage transformation and energy transmission in the power system. 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However, under the condition of overvoltage, the transformer may encounter various insulation accidents, which will seriously threaten its safe operation. The following are the main types of insulation accidents:","breadcrumb":{"@id":"https:\/\/www.lstransformer.com\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.lstransformer.com\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/"]}]},{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.lstransformer.com\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/#primaryimage","url":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/07\/17443337128554991-1.png","contentUrl":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/07\/17443337128554991-1.png","width":509,"height":379},{"@type":"BreadcrumbList","@id":"https:\/\/www.lstransformer.com\/what-is-the-insulation-accident-under-the-overvoltage-of-the-transformer\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.lstransformer.com\/"},{"@type":"ListItem","position":2,"name":"What is the Insulation accident under the overvoltage of the transformer?"}]},{"@type":"WebSite","@id":"https:\/\/www.lstransformer.com\/#website","url":"https:\/\/www.lstransformer.com\/","name":"LS transformador de potencia, reactor de L\u00ednea de Alta tensi\u00f3n del transformador, el Aceite de transformador inmerso-CHANGSHA LUSHAN TECNOLOG\u00cdA ELECTR\u00d3NICA CO.,LTD","description":"","publisher":{"@id":"https:\/\/www.lstransformer.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.lstransformer.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"},{"@type":"Organization","@id":"https:\/\/www.lstransformer.com\/#organization","name":"LS transformador de potencia, reactor de L\u00ednea de Alta tensi\u00f3n del transformador, el Aceite de transformador inmerso-CHANGSHA LUSHAN TECNOLOG\u00cdA ELECTR\u00d3NICA CO.,LTD","url":"https:\/\/www.lstransformer.com\/","logo":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/www.lstransformer.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/06\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp","contentUrl":"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/06\/cropped-7e09bd7bad9c830e0d75b8487b0d77c3-1.webp","width":760,"height":202,"caption":"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD"},"image":{"@id":"https:\/\/www.lstransformer.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.lstransformer.com\/#\/schema\/person\/674089c15f4857c19a997f886816d289","name":"369703005","image":{"@type":"ImageObject","inLanguage":"es","@id":"https:\/\/secure.gravatar.com\/avatar\/dcaa0e47cd7b6c99ffdd80f5772032ed2d2591b5b8e7b905e5fd87a850954248?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/dcaa0e47cd7b6c99ffdd80f5772032ed2d2591b5b8e7b905e5fd87a850954248?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/dcaa0e47cd7b6c99ffdd80f5772032ed2d2591b5b8e7b905e5fd87a850954248?s=96&d=mm&r=g","caption":"369703005"},"url":"https:\/\/www.lstransformer.com\/es\/author\/369703005\/"}]}},"_links":{"self":[{"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/posts\/1263","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/comments?post=1263"}],"version-history":[{"count":6,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/posts\/1263\/revisions"}],"predecessor-version":[{"id":6646,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/posts\/1263\/revisions\/6646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/media\/2982"}],"wp:attachment":[{"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/media?parent=1263"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/categories?post=1263"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lstransformer.com\/es\/wp-json\/wp\/v2\/tags?post=1263"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}