{"id":1326,"date":"2026-07-22T05:33:12","date_gmt":"2026-07-22T05:33:12","guid":{"rendered":"https:\/\/lstransformer.com\/how-does-the-load-test-run-of-the-transformer-work\/"},"modified":"2026-09-30T02:34:51","modified_gmt":"2026-09-30T02:34:51","slug":"how-does-the-load-test-run-of-the-transformer-work","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/ru\/how-does-the-load-test-run-of-the-transformer-work\/","title":{"rendered":"How does the load test run of the transformer work?"},"content":{"rendered":"

How does the load test run of the transformer work?<\/h1>\n

When conducting a load test for transformers, the transformer can proceed to the load test phase only if there are no abnormalities during 24 hours of no-load operation. The specific operational steps are outlined below:<\/p>\n

(1)<\/span> <\/strong>Gradual Load Increase: Initiate the operation with a 25% load, gradually increasing it to 50%, 75%, and finally reaching full-load testing. Throughout this process, it is essential to ensure that there is no leakage of oil from the seals and weld seams.<\/p>\n

(2)<\/span> <\/strong>Cooling System Activation: As the transformer temperature rises during load testing, a certain number of cooling systems should be gradually activated.<\/p>\n

(3)<\/span><\/strong> Test Duration: The load test duration should commence from reaching full load and last for 2 hours.<\/p>\n

(4)<\/span> <\/strong>Inspection under Normal Conditions: In the course of load testing, especially during full-load testing, the load test work can be concluded only when the transformer body, various components, and accessories are all confirmed to be in normal condition.<\/p>\n

(5)<\/span> <\/strong>Considerations for New Transformers: For newly loaded transformers, inspection frequency should be increased, with simultaneous attention to oil temperature. If the temperature exceeds 45K, an immediate signal should be issued.<\/p>\n

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How does the load test run of the transformer work? When conducting a load test for transformers, the transformer can proceed to the load test phase only if there are no abnormalities during 24 hours of no-load operation. The specific operational steps are outlined below: (1) Gradual Load Increase: Initiate the operation with a 25% […]<\/p>\n","protected":false},"author":3,"featured_media":4185,"comment_status":"open","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-1326","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nHow does the load test run of the transformer work? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"When conducting a load test for transformers, the transformer can proceed to the load test phase only if there are no abnormalities during 24 hours of no-load operation. 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