{"id":6304,"date":"2026-01-20T15:00:00","date_gmt":"2026-01-20T09:30:00","guid":{"rendered":"https:\/\/www.le-mag-travaux.com\/blog\/?p=6304"},"modified":"2026-01-20T15:00:02","modified_gmt":"2026-01-20T09:30:02","slug":"transformateur-haute-tension-ce-que-vous-devez-savoir-a-son-sujet","status":"publish","type":"post","link":"https:\/\/www.le-mag-travaux.com\/blog\/transformateur-haute-tension-ce-que-vous-devez-savoir-a-son-sujet","title":{"rendered":"Transformateur haute tension\u00a0: ce que vous devez savoir \u00e0 son sujet"},"content":{"rendered":"\n<p>Utilis\u00e9s dans les r\u00e9seaux \u00e9lectriques \u00e0 haute tension, les transformateurs haute tension servent \u00e0&nbsp;<strong>baisser ou \u00e0 augmenter la tension d\u2019un courant alternatif<\/strong>. Sans cette transformation, les pertes d\u2019\u00e9nergie seraient plus importantes et transporter de l\u2019\u00e9nergie sur de longues distances serait plus complexe. Voici l\u2019essentiel \u00e0 savoir sur cet \u00e9quipement.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"848\" height=\"565\" src=\"https:\/\/www.le-mag-travaux.com\/blog\/wp-content\/uploads\/2026\/01\/transformateur-haute-tension-1.jpeg\" alt=\"\" class=\"wp-image-6306\" srcset=\"https:\/\/www.le-mag-travaux.com\/blog\/wp-content\/uploads\/2026\/01\/transformateur-haute-tension-1.jpeg 848w, https:\/\/www.le-mag-travaux.com\/blog\/wp-content\/uploads\/2026\/01\/transformateur-haute-tension-1-768x512.jpeg 768w\" sizes=\"(max-width: 848px) 100vw, 848px\" \/><figcaption class=\"wp-element-caption\">Veliky Novgorod, Russia &#8211; June 26, 2007:  Electrical engineer  high voltage switchgears maintenance, chemical Plant.<\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<div class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Sommaire : <\/div>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #545454;color:#545454\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #545454;color:#545454\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/transformateur-haute-tension-ce-que-vous-devez-savoir-a-son-sujet\/#Comment-fonctionne-le-transformateur-haute-tension\" >Comment fonctionne le transformateur haute tension&nbsp;?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.le-mag-travaux.com\/blog\/transformateur-haute-tension-ce-que-vous-devez-savoir-a-son-sujet\/#Le-transformateur-haute-tension-comporte-t-il-des-dangers\" >Le transformateur haute tension comporte-t-il des dangers&nbsp;?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comment-fonctionne-le-transformateur-haute-tension\"><\/span>Comment fonctionne le transformateur haute tension&nbsp;?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>L\u2019induction \u00e9lectromagn\u00e9tique<\/strong>&nbsp;est la base du fonctionnement du transformateur haute tension. Ce dernier est constitu\u00e9 d\u2019un primaire et d\u2019un secondaire par lesquels le courant alternatif \u00e0 transformer doit passer. Lorsque ce courant passe par le primaire du&nbsp;<a href=\"https:\/\/transfofrance.com\/\" rel=\"noopener\">transformateur haute tension<\/a>, un champ magn\u00e9tique se cr\u00e9e, puis se transmet \u00e0 travers les noyaux du dispositif.<\/p>\n\n\n\n<p>C\u2019est ainsi qu\u2019il parvient au secondaire o\u00f9 se passe enfin sa conversion en une tension \u00e9lectrique plus haute ou plus basse. La nouvelle tension du courant sera d\u00e9termin\u00e9e par le rapport du nombre de tours du primaire et du secondaire.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Le-transformateur-haute-tension-comporte-t-il-des-dangers\"><\/span>Le transformateur haute tension comporte-t-il des dangers&nbsp;?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Lorsqu\u2019il est en bon \u00e9tat et bien manipul\u00e9, le transformateur haute tension n\u2019est pas dangereux. Les dangers auxquels il est associ\u00e9 surviennent donc en cas de d\u00e9faillances ou de manipulation inappropri\u00e9e. Selon les cas, il peut causer des \u00e9lectrocutions, \u00e9missions de gaz toxiques, explosion, incendie, etc.<\/p>\n\n\n\n<p>Pour \u00e9viter de tels d\u00e9sagr\u00e9ments, il faut&nbsp;<strong>inspecter et assurer la maintenance r\u00e9guli\u00e8re de ces transformateurs<\/strong>. Aussi, chaque fois qu\u2019une manipulation du dispositif est n\u00e9cessaire, seul un professionnel doit \u00eatre sollicit\u00e9. Lorsque ces deux r\u00e8gles sont respect\u00e9es, les risques li\u00e9s au transformateur haute tension sont limit\u00e9s.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Utilis\u00e9s dans les r\u00e9seaux \u00e9lectriques \u00e0 haute tension, les transformateurs haute tension servent \u00e0&nbsp;baisser ou \u00e0 augmenter la tension d\u2019un [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":6305,"comment_status":"open","ping_status":"close","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[1537],"tags":[],"class_list":["post-6304","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chaleur-courant"],"_links":{"self":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts\/6304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/comments?post=6304"}],"version-history":[{"count":1,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts\/6304\/revisions"}],"predecessor-version":[{"id":6307,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/posts\/6304\/revisions\/6307"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/media\/6305"}],"wp:attachment":[{"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/media?parent=6304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/categories?post=6304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.le-mag-travaux.com\/blog\/wp-json\/wp\/v2\/tags?post=6304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}