{"id":691,"date":"2026-06-05T01:54:33","date_gmt":"2026-06-05T01:54:33","guid":{"rendered":"https:\/\/lstransformer.com\/product\/3-8kva-toroidal-transformer\/"},"modified":"2026-08-22T08:43:39","modified_gmt":"2026-08-22T08:43:39","slug":"3-8kva-toroidal-transformer","status":"publish","type":"product","link":"https:\/\/www.lstransformer.com\/fr\/product\/3-8kva-toroidal-transformer\/","title":{"rendered":"3.8kVA Toroidal Transformer"},"content":{"rendered":"<p><!-- \u677f\u57571\uff1aProduct Applications --><\/p>\n<div style=\"margin: 35px 0 15px 0;\">\n<h3 style=\"width: fit-content; background: #2CA9E1; color: #fff; padding: 10px 16px; border-radius: 5px; margin: 0;\">Applications De Produit<\/h3>\n<\/div>\n<p>\u25c9 \u041f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043f\u043e\u043b\u043e\u0439 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0438: \u041f\u043e\u043b\u044b\u0439 \u0440\u0435\u0430\u043a\u0442\u043e\u0440 \u0438\u0437-\u0437\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u044f \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u0437\u043e\u043d\u044b \u0443\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442 \u0440\u0438\u0441\u043a \u043d\u0430\u0441\u044b\u0449\u0435\u043d\u0438\u044f \u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u0437\u043e\u043d\u044b. \u041e\u043d \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u0443\u044e \u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0441\u0442\u044c \u0438\u043d\u0434\u0443\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044f \u0442\u043e\u0447\u043d\u043e \u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0430 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0442\u043e\u043a\u0430 \u0438 \u0433\u0438\u0431\u043a\u043e \u0430\u0434\u0430\u043f\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u043a \u0438\u043d\u0434\u0443\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438.<\/p>\n<p><!-- \u677f\u57572\uff1aTechnical Parameter --><\/p>\n<div style=\"margin: 65px 0 15px 0;\">\n<h3 style=\"width: fit-content; background: #2CA9E1; color: #fff; padding: 10px 16px; border-radius: 5px; margin: 0;\">Param\u00e8tre Technique<\/h3>\n<\/div>\n<table width=\"782\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\" width=\"193\"><strong>La capacit\u00e9 nominale<\/strong><\/td>\n<td valign=\"top\" width=\"163\">\u25c9 \u041f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u0430\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c: \u0420\u0435\u0430\u043a\u0442\u043e\u0440 \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043d\u0438\u0437\u043a\u0438\u043c \u043e\u0431\u0449\u0438\u043c \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435\u043c \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u044b, \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043f\u043e\u0442\u0435\u0440\u044f\u043c\u0438 \u0438 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043e\u0447\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c\u044e. \u041e\u043d \u0442\u0430\u043a\u0436\u0435 \u0432\u043b\u0430\u0433\u043e\u0441\u0442\u043e\u0439\u043a\u0438\u0439 \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u043d\u043e\u0439 \u0432\u043b\u0430\u0436\u043d\u043e\u0441\u0442\u0438. \u041a\u0440\u043e\u043c\u0435 \u0442\u043e\u0433\u043e, \u043e\u043d \u043e\u0433\u043d\u0435\u0441\u0442\u043e\u0439\u043a\u0438\u0439. \u041f\u043e\u043b\u0430\u044f \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u043b\u0443\u0447\u0448\u0438\u0439 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0438\u0439 \u043f\u043e\u0442\u043e\u043a \u0432\u043e\u0437\u0434\u0443\u0445\u0430, \u0443\u0441\u0438\u043b\u0438\u0432\u0430\u044f \u0440\u0430\u0441\u0441\u0435\u0438\u0432\u0430\u043d\u0438\u0435 \u0442\u0435\u043f\u043b\u0430 \u0438 \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0430\u044f \u043c\u0430\u0433\u043d\u0438\u0442\u043d\u043e\u0435 \u043d\u0430\u0441\u044b\u0449\u0435\u043d\u0438\u0435.<\/td>\n<td valign=\"top\" width=\"222\"><strong>L'efficacit\u00e9 du travail<\/strong><\/td>\n<td valign=\"top\" width=\"204\">\u226590%<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"193\"><strong>Tension nominale<\/strong><\/td>\n<td valign=\"top\" width=\"163\">\u22641140V<\/td>\n<td valign=\"top\" width=\"222\"><strong>La r\u00e9sistance de l'isolation<\/strong><\/td>\n<td valign=\"top\" width=\"204\">&gt;100M\u03a9(DC1000V)<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"193\"><strong>Classe d'isolation<\/strong><\/td>\n<td valign=\"top\" width=\"163\">\u25c9 \u0418\u0437\u044b\u0441\u043a\u0430\u043d\u043d\u043e\u0435 \u043c\u0430\u0441\u0442\u0435\u0440\u0441\u0442\u0432\u043e: \u041f\u0440\u043e\u0446\u0435\u0441\u0441 VPI (\u0432\u0430\u043a\u0443\u0443\u043c\u043d\u043e\u0439 \u043f\u0440\u043e\u043f\u0438\u0442\u043a\u0438 \u043f\u043e\u0434 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c) \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0443\u043b\u0443\u0447\u0448\u0430\u0435\u0442 \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0440\u0443\u043b\u043e\u043d\u043e\u0432 \u043f\u0440\u0438 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u043c \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0438 \u043e\u0431\u0449\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u0438. \u042d\u0442\u043e \u0433\u0430\u0440\u0430\u043d\u0442\u0438\u0440\u0443\u0435\u0442, \u0447\u0442\u043e \u0440\u0435\u0430\u043a\u0442\u043e\u0440 \u0441\u043c\u043e\u0436\u0435\u0442 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0441\u0442\u043e\u044f\u0442\u044c \u0432\u043d\u0435\u0448\u043d\u0438\u043c \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f\u043c \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0435\u0439 \u0441\u0440\u0435\u0434\u044b, \u0441\u043d\u0438\u0436\u0430\u044f \u0440\u0438\u0441\u043a \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u0438\u0437-\u0437\u0430 \u0442\u0430\u043a\u0438\u0445 \u0444\u0430\u043a\u0442\u043e\u0440\u043e\u0432, \u043a\u0430\u043a \u0432\u0438\u0431\u0440\u0430\u0446\u0438\u044f \u0438\u043b\u0438 \u0432\u043b\u0430\u0433\u0430.<\/td>\n<td valign=\"top\" width=\"222\"><strong>Fr\u00e9quence nominale<\/strong><\/td>\n<td valign=\"top\" width=\"204\">20~400Hz<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"193\"><strong>Normes<\/strong><\/td>\n<td colspan=\"3\" valign=\"top\" width=\"590\">GB\/T 15290-2019 ou personnalis\u00e9s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- \u677f\u57573\uff1aFeatures --><\/p>\n<div style=\"margin: 65px 0 15px 0;\">\n<h3 style=\"width: fit-content; background: #2CA9E1; color: #fff; padding: 10px 16px; border-radius: 5px; margin: 0;\">Caract\u00e9ristiques<\/h3>\n<\/div>\n<p>\u25c9 Haute Efficacit\u00e9 et \u00c9conomie d'\u00c9nergie:Le transformateur toro\u00efdal dispose d'une base sans trous d'air, un haut de l'empilement de facteur, et une excellente perm\u00e9abilit\u00e9 magn\u00e9tique, permettant un rendement \u00e9lectrique sup\u00e9rieur \u00e0 95%. Le non-courant de charge est r\u00e9duit \u00e0 seulement 10% de celle en stratifi\u00e9 de transformateurs, de r\u00e9duire consid\u00e9rablement les pertes d'\u00e9nergie. En outre, le noyau a une faible \u00e9l\u00e9vation de la temp\u00e9rature, et les enroulements offrent une excellente dissipation de la chaleur,en assurant globalement faible hausse de temp\u00e9rature pour le fonctionnement \u00e0 long terme et d'importantes \u00e9conomies d'\u00e9nergie effets.<\/p>\n<p>\u25c9 L\u00e9g\u00e8res et \u00e0 Faible Bruit:par Rapport \u00e0 la TD s\u00e9rie, son poids est r\u00e9duit de moiti\u00e9, et la forme peuvent \u00eatre personnalis\u00e9s. Il produit minimum les vibrations et le bruit, gr\u00e2ce \u00e0 la emball\u00e9s herm\u00e9tiquement noyau et les enroulements, la r\u00e9duction du bruit \u00e0 partir de magn\u00e9tostrictifs et les vibrations induites par la.<\/p>\n<p>\u25c9 S\u00fbr et Polyvalent:Le domaine d'application est large, appropri\u00e9 pour diff\u00e9rents transformateurs de basse fr\u00e9quence \u00e0 haute fr\u00e9quence, y compris les transformateurs de puissance, transformateurs d'impulsion, et d'autres.<\/p>\n<p><!-- \u677f\u57574\uff1aPower Transformer Dimensions --><\/p>\n<div style=\"margin: 65px 0 15px 0;\">\n<h3 style=\"width: fit-content; background: #2CA9E1; color: #fff; padding: 10px 16px; border-radius: 5px; margin: 0;\">Questions Fr\u00e9quentes<\/h3>\n<\/div>\n<p>Q1: vous \u00cates un fabricant ou une soci\u00e9t\u00e9 de n\u00e9goce?<br \/>\n<strong>R: Nous sommes en direct du fabricant avec plus de 50 ann\u00e9es d'expertise dans les transformateurs de puissance, des inducteurs, et les r\u00e9acteurs. \u00catre un en direct de l'usine fournisseur signifie que vous obtenez des prix comp\u00e9titifs, un support technique complet, et un contr\u00f4le complet sur la qualit\u00e9 de la production.<\/strong><\/p>\n<p>Q2: Quelle est votre politique de garantie?<br \/>\n<strong>R: Nous garantissons la fiabilit\u00e9 de nos produits avec un minimum de 12 mois de garantie. Options d'extension de garantie sont \u00e9galement disponibles selon les besoins de votre projet.<\/strong><\/p>\n<p>Q3: Quel est le d\u00e9lai pour la production de masse?<br \/>\n<strong>R: Notre un d\u00e9lai standard est de 7 \u00e0 25 jours de travail, qui varie selon la quantit\u00e9 d'ordre et de personnalisation de la complexit\u00e9. Nous nous effor\u00e7ons toujours de solde livraison rapide avec un travail m\u00e9ticuleux.<\/strong><\/p>\n<p>Q4: Comment assurer le contr\u00f4le de qualit\u00e9 dans votre usine?<br \/>\n<strong>R: Nous mettons en \u0153uvre un programme rigoureux de contr\u00f4le \u00e0 100% du syst\u00e8me. Tout au long de l'ensemble du processus de fabrication\u2014de la r\u00e9ception des mati\u00e8res premi\u00e8res aux produits finis\u2014nos produits passent par 8 d\u00e9di\u00e9 QC points de contr\u00f4le pour garantir le z\u00e9ro d\u00e9faut et \u00e0 long terme la stabilit\u00e9 de fonctionnement.<\/strong><\/p>\n<p>Q5: Pouvez-vous offrir des produits personnalis\u00e9s? Comment puis-je obtenir une solution sur mesure?<br \/>\n<strong>A: Absolument. Nous nous sp\u00e9cialisons dans tout les designs personnalis\u00e9s en fonction de vos applications et de param\u00e8tres \u00e9lectriques. Il suffit de partager \u00e0 vos besoins, et notre \u00e9quipe d'ing\u00e9nierie de vous fournir la solution optimale dans un d\u00e9lai de 48 heures.<\/strong><\/p>\n<p>Q6: Quelles informations avez-vous besoin d'un transformateur ou d'un r\u00e9acteur?<br \/>\n<strong>R: dessin technique est la plus efficace du point de d\u00e9part. Si c'&#8217;s ne sont pas disponibles, veuillez fournir votre puissance requise (capacit\u00e9) de notation, les niveaux de tension, l'installation des limitations de taille, classe d'isolation, et de toutes les conditions environnementales particuli\u00e8res.<\/strong><\/p>\n<p>Q7: Comment rapidement puis-je obtenir un prix, et comment puis-je vous contacter?<br \/>\n<strong>R: en g\u00e9n\u00e9ral, Nous pouvons \u00e9mettre un devis d\u00e9taill\u00e9 dans les 24 heures apr\u00e8s r\u00e9ception de votre demande. Vous pouvez nous joindre par Courriel \u00e0 sales@hnlsdz.com ou connectez-vous avec nous sur WhatsApp au +86 17267488565 pour une assistance imm\u00e9diate.<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>1~2000A<\/p>","protected":false},"featured_media":3791,"template":"","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":""}}},"product_brand":[],"product_cat":[27,32],"product_tag":[],"class_list":["post-691","product","type-product","status-publish","has-post-thumbnail","product_cat-toroidal-transformer","product_cat-transformer","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>3.8kVA Toroidal Transformer - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\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\/produit\/3-8kva-toroidal-transformer\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3.8kVA Toroidal Transformer - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD\" \/>\n<meta property=\"og:description\" content=\"The toroidal transformer is an efficient, low-loss power conversion device. 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