{"id":1295,"date":"2026-07-22T05:33:09","date_gmt":"2026-07-22T05:33:09","guid":{"rendered":"https:\/\/lstransformer.com\/what-is-a-split-winding-what-are-its-requirements\/"},"modified":"2026-09-30T04:02:25","modified_gmt":"2026-09-30T04:02:25","slug":"what-is-a-split-winding-what-are-its-requirements","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/fr\/what-is-a-split-winding-what-are-its-requirements\/","title":{"rendered":"What is a split winding? What are its requirements?"},"content":{"rendered":"<h1 style=\"text-align: left;\">What is a split winding? What are its requirements?<b><\/b><\/h1>\n<p>A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to two generators, allowing each generator to operate independently or simultaneously. In the event of a failure in one generator, the other generator can continue to operate normally. Such a winding is known as a dual split winding, where each split winding section has a capacity equal to half of the transformer&#8217;s total capacity. The split winding can also be arranged in a radial split configuration (low-high-low arrangement).<\/p>\n<p>If the low-voltage winding is split into three parts, with no electrical connections between them, and each part can be connected to a separate generator, it is referred to as a three-split winding. The capacity of each split winding section in this case is one-third of the transformer&#8217;s total capacity.<\/p>\n<p>The requirements for a split winding are as follows:<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(1)<\/span> <\/strong>The various branches of the split winding in an up-transformer must have a sufficiently large total impedance to ensure that a generator failure does not cause another generator to shut down. This high impedance helps limit the short-circuit current from flowing into the other generator.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(2)<\/span><\/strong> The total impedance between the branches of the split winding and other non-split windings must be balanced.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(3)<\/span><\/strong> In a three-phase axial split transformer, each column of the high-voltage winding must be connected in parallel vertically, while a single-phase transformer can have two columns of high-voltage winding connected in parallel. This arrangement ensures that each branch of the split winding can continue to operate if one or two branches are disconnected. Surge arresters are used to protect the operating branches.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(4)<\/span> <\/strong>Branches of split windings with the same rated voltage should be able to operate in parallel.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(5)<\/span><\/strong> The insulation structure between the various parts of the split winding and other windings must have sufficient electrical strength. This is necessary because a significant induced voltage can occur between adjacent terminals when an impulse voltage acts on the high-voltage winding.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(6)<\/span><\/strong> Split impedance voltage: For a single-phase dual split winding, the split impedance voltage is four times that of the impedance voltage for a non-split dual winding. In the case of a three-phase axial dual split, the split impedance voltage is approximately 3.5 times that of the impedance voltage for a non-split dual winding. The impedance voltage of a split transformer can be calculated using the impedance voltage calculation method for non-split windings, with the final impedance voltage multiplied by the specified factors.<\/p>\n<p style=\"padding-left: 40px;\"><strong><span style=\"color: #4874cb;\">(7)<\/span> <\/strong>A split transformer must be able to withstand the mechanical forces generated by short-circuit currents.<\/p>\n<p><a title=\"transformers\uff0creactor\" href=\"https:\/\/www.lstransformer.com\/fr\/Transformers\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter\" title=\"135\" src=\"https:\/\/manage.lstransformer.com\/upload\/news\/1742206797664504.jpg\" alt=\"undefined\" width=\"329\" height=\"314\" border=\"0\" vspace=\"0\" \/><\/a><\/p>\n<h2 style=\"font-weight: bold;\"><strong>Contact<\/strong><\/h2>\n<p>LuShan, heure de l'est. 1975, est un fabricant professionnel Chinois sp\u00e9cialis\u00e9 dans les transformateurs de puissance et des r\u00e9acteurs de plus de 50 ans. Les produits de pointe sont <a href=\"https:\/\/www.lstransformer.com\/fr\/\">transformateur monophas\u00e9, triphas\u00e9 transformateurs d'isolement, transformateur \u00e9lectrique, transformateur de distribution, l'\u00e9tape vers le bas et d'intensifier le transformateur de basse tension du transformateur, transformateur \u00e0 haute tension, contr\u00f4le de transformateur toro\u00efdal transformateur, transformateur R-core; inductances DC, AC r\u00e9acteurs, le filtrage du r\u00e9acteur, de ligne et de charge du r\u00e9acteur, des bobines, le filtrage du r\u00e9acteur, et interm\u00e9diaire, \u00e0 haute fr\u00e9quence produits<\/a>.<\/p>\n<p>Nos transformateurs de puissance et les r\u00e9acteurs sont largement utilis\u00e9s dans les 10 domaines d'application: transport en commun rapide, les machines de construction, les \u00e9nergies renouvelables, intelligents de fabrication, des \u00e9quipements m\u00e9dicaux, de la mine de charbon de l'explosion de la pr\u00e9vention, de l'excitation du syst\u00e8me, frittage sous vide(four), d'une climatisation centrale.<\/p>\n<p>En savoir plus sur transformateur de puissance et le r\u00e9acteur: <a href=\"https:\/\/www.lstransformer.com\/fr\/\">www.lstransformer.com<\/a>.<\/p>\n<p>Si vous souhaitez obtenir des solutions personnalis\u00e9es pour les transformateurs ou des r\u00e9acteurs, veuillez nous contacter.<br \/>\nWhatsApp\uff1a+86 13787095096<br \/>\nE-mail: marketing@hnlsdz.com<\/p>","protected":false},"excerpt":{"rendered":"<p>What is a split winding? What are its requirements? A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to two generators, allowing each generator to operate independently or simultaneously. In the event of a failure [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":2803,"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-1295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a split winding? What are its requirements? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to two generators, allowing each generator to operate independently or simultaneously. In the event of a failure in one generator, the other generator can continue to operate normally. Such a winding is known as a dual split winding, where each split winding section has a capacity equal to half of the transformer&#039;s total capacity. The split winding can also be arranged in a radial split configuration (low-high-low arrangement).\" \/>\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\/fr\/what-is-a-split-winding-what-are-its-requirements\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is a split winding? What are its requirements? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"og:description\" content=\"A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to two generators, allowing each generator to operate independently or simultaneously. In the event of a failure in one generator, the other generator can continue to operate normally. Such a winding is known as a dual split winding, where each split winding section has a capacity equal to half of the transformer&#039;s total capacity. 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What are its requirements? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD","description":"A split winding refers to the division of the low-voltage winding of a transformer into multiple parts that are electrically independent. These divided low-voltage winding sections are each connected to two generators, allowing each generator to operate independently or simultaneously. In the event of a failure in one generator, the other generator can continue to operate normally. Such a winding is known as a dual split winding, where each split winding section has a capacity equal to half of the transformer's total capacity. 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In the event of a failure in one generator, the other generator can continue to operate normally. Such a winding is known as a dual split winding, where each split winding section has a capacity equal to half of the transformer's total capacity. 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