{"id":1529,"date":"2026-07-22T05:33:30","date_gmt":"2026-07-22T05:33:30","guid":{"rendered":"https:\/\/lstransformer.com\/how-is-the-external-withstand-voltage-test-conducted\/"},"modified":"2026-09-26T17:04:14","modified_gmt":"2026-09-26T17:04:14","slug":"how-is-the-external-withstand-voltage-test-conducted","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/ru\/how-is-the-external-withstand-voltage-test-conducted\/","title":{"rendered":"\u041a\u0430\u043a \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u0432\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u044f?"},"content":{"rendered":"

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\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u0431\u043e\u043b\u044c\u0448\u0435 \u043e \u0441\u0438\u043b\u043e\u0432\u043e\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0435 \u0438 \u0440\u0435\u0430\u043a\u0442\u043e\u0440\u0435: www.lstransformer.com<\/a>.<\/p>\n

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How is the External Withstand Voltage Test conducted? The External Withstand Voltage Test is a one-minute AC high-voltage test conducted on the tested transformer, also known as the AC Withstand Voltage Test. This test is employed to assess the insulation performance between different winding sides and between windings and ground, specifically evaluating the main insulation […]<\/p>\n","protected":false},"author":3,"featured_media":2030,"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-1529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nHow is the External Withstand Voltage Test conducted? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"The External Withstand Voltage Test is a one-minute AC high-voltage test conducted on the tested transformer, also known as the AC Withstand Voltage Test. This test is employed to assess the insulation performance between different winding sides and between windings and ground, specifically evaluating the main insulation of the transformer. Therefore, it is only applicable to fully insulated transformers. During the test, the different winding sides of the tested transformer are connected together, with one side subjected to voltage and the other side grounded, as illustrated in Figure 98-1.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lstransformer.com\/ru\/how-is-the-external-withstand-voltage-test-conducted\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How is the External Withstand Voltage Test conducted? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"og:description\" content=\"The External Withstand Voltage Test is a one-minute AC high-voltage test conducted on the tested transformer, also known as the AC Withstand Voltage Test. This test is employed to assess the insulation performance between different winding sides and between windings and ground, specifically evaluating the main insulation of the transformer. Therefore, it is only applicable to fully insulated transformers. During the test, the different winding sides of the tested transformer are connected together, with one side subjected to voltage and the other side grounded, as illustrated in Figure 98-1.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.lstransformer.com\/ru\/how-is-the-external-withstand-voltage-test-conducted\/\" \/>\n<meta property=\"og:site_name\" content=\"LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-22T05:33:30+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-26T17:04:14+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.lstransformer.com\/wp-content\/uploads\/2026\/07\/1742006439388046.png\" \/>\n\t<meta property=\"og:image:width\" content=\"370\" \/>\n\t<meta property=\"og:image:height\" content=\"276\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"369703005\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"369703005\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u043c\u0438\u043d\u0443\u0442\u044b\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/\"},\"author\":{\"name\":\"369703005\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#\\\/schema\\\/person\\\/674089c15f4857c19a997f886816d289\"},\"headline\":\"How is the External Withstand Voltage Test conducted?\",\"datePublished\":\"2026-07-22T05:33:30+00:00\",\"dateModified\":\"2026-09-26T17:04:14+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/\"},\"wordCount\":312,\"publisher\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.lstransformer.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1742006439388046.png\",\"articleSection\":[\"FAQ\"],\"inLanguage\":\"ru-RU\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/\",\"url\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/\",\"name\":\"How is the External Withstand Voltage Test conducted? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.lstransformer.com\\\/fr\\\/how-is-the-external-withstand-voltage-test-conducted\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.lstransformer.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/1742006439388046.png\",\"datePublished\":\"2026-07-22T05:33:30+00:00\",\"dateModified\":\"2026-09-26T17:04:14+00:00\",\"description\":\"The External Withstand Voltage Test is a one-minute AC high-voltage test conducted on the tested transformer, also known as the AC Withstand Voltage Test. 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