{"id":1809,"date":"2024-10-09T12:58:10","date_gmt":"2024-10-09T12:58:10","guid":{"rendered":"https:\/\/www.jy-electric.com\/?p=1809"},"modified":"2024-10-13T11:55:01","modified_gmt":"2024-10-13T11:55:01","slug":"what-is-a-vacuum-circuit-breaker-principles-and-components","status":"publish","type":"post","link":"https:\/\/www.jyiele.com\/fr\/what-is-a-vacuum-circuit-breaker-principles-and-components\/","title":{"rendered":"Qu'est-ce qu'un disjoncteur \u00e0 vide ? Principes et composants"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1809\" class=\"elementor elementor-1809\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6b0cf58a e-flex e-con-boxed e-con e-parent\" data-id=\"6b0cf58a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1681f12 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"1681f12\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;,&quot;h3&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;bullets&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:0,&quot;sizes&quot;:[]},&quot;icon&quot;:{&quot;value&quot;:&quot;fas fa-circle&quot;,&quot;library&quot;:&quot;fa-solid&quot;,&quot;rendered_tag&quot;:&quot;&lt;svg class=\\&quot;e-font-icon-svg e-fas-circle\\&quot; viewBox=\\&quot;0 0 512 512\\&quot; xmlns=\\&quot;http:\\\/\\\/www.w3.org\\\/2000\\\/svg\\&quot;&gt;&lt;path d=\\&quot;M256 8C119 8 8 119 8 256s111 248 248 248 248-111 248-248S393 8 256 8z\\&quot;&gt;&lt;\\\/path&gt;&lt;\\\/svg&gt;&quot;},&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-toc__header\" aria-controls=\"elementor-toc__body\">\n\t\t\t<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tLes 10 premiers fabricants et fournisseurs de disjoncteurs \u00e0 vide en Chine\t\t\t<\/h4>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-label=\"Ouvrir la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-label=\"Fermer la table des mati\u00e8res\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div class=\"elementor-toc__body\" aria-expanded=\"true\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7711b617 elementor-widget elementor-widget-text-editor\" data-id=\"7711b617\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<h2 class=\"wp-block-heading\">Qu'est-ce qu'un disjoncteur \u00e0 vide ?<\/h2>\n\n<p>A <a href=\"\/fr\/product-category\/vacuum-circuit-breaker\/\"><span style=\"color: #0000ff;\"><strong>disjoncteur \u00e0 vide<\/strong><\/span><\/a> est un type d'\u00e9quipement de commutation \u00e9lectrique utilis\u00e9 dans les syst\u00e8mes d'alimentation pour prot\u00e9ger les circuits et les \u00e9quipements contre les dommages en coupant rapidement le courant lorsqu'un d\u00e9faut se produit dans le circuit. Souvent appel\u00e9 disjoncteur \u00e0 extinction d'arc sous vide, son principe de fonctionnement est bas\u00e9 sur l'extinction d'arc qui se produit dans un environnement sous vide.<\/p>\n\n<h2 class=\"wp-block-heading\">Principe de fonctionnement des disjoncteurs \u00e0 vide<\/h2>\n\n<p>Le m\u00e9canisme principal d'un disjoncteur \u00e0 vide est l'\u00e9limination de l'\u00e9nergie de l'arc entre les contacts. Lorsque les contacts sont ouverts dans un environnement sous vide, les vapeurs m\u00e9talliques de l'arc sont ionis\u00e9es et un arc \u00e9lectrique se forme. En raison des propri\u00e9t\u00e9s isolantes \u00e9lev\u00e9es du vide, les ions et les vapeurs m\u00e9talliques g\u00e9n\u00e9r\u00e9s par l'arc se condensent rapidement, ce qui entra\u00eene une consommation rapide de l'\u00e9nergie de l'arc et donc une extinction rapide de l'arc. Cette caract\u00e9ristique rend les disjoncteurs \u00e0 vide particuli\u00e8rement adapt\u00e9s aux \u00e9quipements \u00e9lectriques \u00e0 haute tension.<\/p>\n\n<h2 class=\"wp-block-heading\">Caract\u00e9ristiques des disjoncteurs \u00e0 vide<\/h2>\n\n<p>Les disjoncteurs \u00e0 vide pr\u00e9sentent les caract\u00e9ristiques sup\u00e9rieures suivantes :<\/p>\n\n<p>Performances d'isolation sup\u00e9rieures : la capacit\u00e9 \u00e0 \u00e9teindre les arcs \u00e9lectriques dans un environnement sous vide le rend comparable en termes de performances aux disjoncteurs \u00e0 air et au SF6.<br \/>D\u00e9connexion rapide : La d\u00e9connexion initiale du courant doit \u00eatre effectu\u00e9e \u00e0 la position z\u00e9ro, et les caract\u00e9ristiques de perturbation de l'arc permettent d'augmenter la rigidit\u00e9 di\u00e9lectrique des milliers de fois.<br \/>Efficace et \u00e9conomique : les disjoncteurs \u00e0 vide sont l\u00e9gers, n\u00e9cessitent peu d'entretien particulier et ont une longue dur\u00e9e de vie.<br \/>Faible niveau de bruit : convient \u00e0 une utilisation dans des environnements soumis \u00e0 des exigences strictes en mati\u00e8re de bruit.<\/p>\n\n<h2 class=\"wp-block-heading\">Composants des disjoncteurs \u00e0 vide<\/h2>\n\n<p>Les principaux composants d'un disjoncteur \u00e0 vide sont les suivants :<\/p>\n\n<p>Bouteille \u00e0 vide : le composant central, utilis\u00e9 pour l'isolation et la trempe \u00e0 l'arc, g\u00e9n\u00e9ralement en c\u00e9ramique ou en verre, capable de r\u00e9sister \u00e0 des temp\u00e9ratures et \u00e0 des pressions \u00e9lev\u00e9es.<br \/>Contacts : les principales pi\u00e8ces de connexion \u00e9lectrique, g\u00e9n\u00e9ralement en cuivre, avec une bonne conductivit\u00e9 \u00e9lectrique et une bonne r\u00e9sistance \u00e0 l'usure.<br \/>Contacts fixes : contacts fixes situ\u00e9s dans le corps de la bouteille \u00e0 vide pour assurer la stabilit\u00e9 et la s\u00e9curit\u00e9 du circuit.<br \/>Ressort : la principale source de force utilis\u00e9e pour pousser la s\u00e9paration de la bouteille sous vide et du contact mobile.<br \/>Levier de commande : le dispositif qui commande l'\u00e9tat de commutation du disjoncteur \u00e0 vide, qui peut \u00eatre actionn\u00e9 \u00e0 la main ou par un moteur \u00e9lectrique.<br \/>Barre conductrice : composant \u00e9lectrique qui relie l'alimentation externe aux contacts internes du disjoncteur \u00e0 vide.<br \/>M\u00e9canisme de d\u00e9clenchement : M\u00e9canisme qui assure l'ouverture rapide du disjoncteur \u00e0 vide dans des conditions anormales.<\/p>\n\n<h2 class=\"wp-block-heading\">Applications des disjoncteurs \u00e0 vide<\/h2>\n\n<p>Les disjoncteurs \u00e0 vide sont largement utilis\u00e9s dans les syst\u00e8mes dont la tension est comprise entre 11 et 33 kV. Comme leurs contacts ne produisent pas d'arc \u00e9lectrique lorsqu'ils sont s\u00e9par\u00e9s, ils r\u00e9duisent les besoins de maintenance et \u00e9vitent les \u00e9missions de gaz. En outre, les disjoncteurs \u00e0 vide ont une longue dur\u00e9e de vie et un faible niveau de bruit, ce qui les rend id\u00e9aux pour une utilisation en int\u00e9rieur.<\/p>\n\n<p>Au fur et \u00e0 mesure que la technologie progresse, les disjoncteurs \u00e0 vide continuent d'\u00eatre optimis\u00e9s en termes de conception et de fonction. \u00c0 l'avenir, avec le d\u00e9veloppement des r\u00e9seaux intelligents et des \u00e9nergies renouvelables, les disjoncteurs \u00e0 vide joueront un r\u00f4le plus important dans l'am\u00e9lioration de l'efficacit\u00e9 de la gestion de l'\u00e9nergie, le renforcement de la stabilit\u00e9 du r\u00e9seau et la promotion du d\u00e9veloppement durable.<\/p>\n\n<p>En r\u00e9sum\u00e9, le disjoncteur \u00e0 vide est un syst\u00e8me complexe de protection de l'\u00e9nergie, dont les composants fonctionnent ensemble pour assurer la s\u00e9curit\u00e9 et la stabilit\u00e9 du syst\u00e8me \u00e9lectrique. Lors de son utilisation, il doit \u00eatre exploit\u00e9 en stricte conformit\u00e9 avec les dispositions afin de garantir un fonctionnement s\u00fbr.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6c3c34 elementor-widget elementor-widget-heading\" data-id=\"c6c3c34\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Produit connexe<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Les 10 meilleurs fabricants et fournisseurs chinois de disjoncteurs \u00e0 vide Qu'est-ce qu'un disjoncteur \u00e0 vide ? Un disjoncteur \u00e0 vide est un type d'\u00e9quipement de commutation \u00e9lectrique utilis\u00e9 dans les syst\u00e8mes d'alimentation pour prot\u00e9ger les circuits et les \u00e9quipements contre les dommages en coupant rapidement le courant lorsqu'un d\u00e9faut se produit dans le circuit. Souvent d\u00e9sign\u00e9 sous le nom d'extincteur d'arc sous vide [...]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","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":[37],"tags":[],"class_list":["post-1809","post","type-post","status-publish","format-standard","hentry","category-vcb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is a Vacuum Circuit Breaker? 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