{"id":2241,"date":"2024-10-27T05:58:28","date_gmt":"2024-10-27T05:58:28","guid":{"rendered":"https:\/\/www.jy-electric.com\/?p=2241"},"modified":"2025-04-04T10:37:53","modified_gmt":"2025-04-04T10:37:53","slug":"difference-between-air-circuit-breaker-and-vacuum-circuit-breaker","status":"publish","type":"post","link":"https:\/\/www.jyiele.com\/fr\/difference-between-air-circuit-breaker-and-vacuum-circuit-breaker\/","title":{"rendered":"Diff\u00e9rence entre un disjoncteur \u00e0 air et un disjoncteur \u00e0 vide"},"content":{"rendered":"

Arc Quenching Medium<\/strong><\/strong><\/h2>\n\n\n\n

Disjoncteur \u00e0 air (ACB) : En cas de d\u00e9faut ou au moment de la coupure, le milieu d'extinction de l'arc est l'air \u00e0 la pression atmosph\u00e9rique. L'arc se refroidit gr\u00e2ce \u00e0 l'air pr\u00e9sent autour de lui.<\/p>\n\n\n\n

Disjoncteur \u00e0 vide (VCB) : Un vide pouss\u00e9 est utilis\u00e9 comme moyen d'extinction de l'arc dans ce type de disjoncteur. Un arc est \u00e9teint dans une chambre \u00e0 vide o\u00f9 l'absence de particules facilite la suppression rapide de l'arc.<\/p>\n\n\n\n

M\u00e9thode de trempe \u00e0 l'arc<\/strong><\/strong><\/h2>\n\n\n\n

ACB : L'allongement et le refroidissement de l'arc se font par soufflage d'air ou par soufflage magn\u00e9tique. Il est g\u00e9n\u00e9ralement \u00e9quip\u00e9 de contacts m\u00e9talliques et de goulottes d'arc pour guider l'arc et contr\u00f4ler son \u00e9nergie.<\/p>\n\n\n\n

VCB : Lorsque les contacts s'ouvrent, un petit arc se forme. Cet arc, dans le vide, s'\u00e9teint rapidement en raison de la condensation de la vapeur de m\u00e9tal qui contribue \u00e0 l'extinction rapide d'un arc sans m\u00e9canisme de refroidissement auxiliaire.<\/p>\n\n\n\n

Applications<\/strong><\/strong><\/h2>\n\n\n\n

Les ACB : Ils sont normalement destin\u00e9s \u00e0 des applications \u00e0 basse tension, g\u00e9n\u00e9ralement jusqu'\u00e0 environ 1 kV, et sont donc utilis\u00e9s dans les b\u00e2timents commerciaux et industriels, les tableaux de distribution et d'autres syst\u00e8mes \u00e0 basse tension.<\/p>\n\n\n\n

VCB : ils sont principalement utilis\u00e9s \u00e0 des tensions moyennes allant jusqu'\u00e0 36 kV ou plus. C'est la solution id\u00e9ale pour les sous-stations, les installations industrielles et les syst\u00e8mes critiques qui exigent une interruption fiable de l'arc \u00e9lectrique.<\/p>\n\n\n\n

Maintenance<\/strong><\/strong><\/h2>\n\n\n\n

ACB : L'entretien doit \u00eatre plus fr\u00e9quent car les pi\u00e8ces sont expos\u00e9es \u00e0 l'air, ce qui peut provoquer l'oxydation et l'\u00e9rosion des contacts.<\/p>\n\n\n\n

VCCB : La dur\u00e9e de vie est plus longue, car le vide \u00e0 l'int\u00e9rieur r\u00e9duit l'usure des contacts et la contamination. Il n\u00e9cessite donc moins d'entretien.<\/p>\n\n\n\n

Fiabilit\u00e9 et solidit\u00e9<\/strong><\/h2>\n\n\n\n

ACB : Il n'est pas tr\u00e8s efficace pour interrompre l'arc dans des conditions de courant ou de tension \u00e9lev\u00e9s, car le milieu a\u00e9rien peut ne pas emp\u00eacher la r\u00e9activation de l'arc \u00e0 tout moment.<\/p>\n\n\n\n

VCB : Tr\u00e8s fiable et robuste pour l'interruption de l'arc, en raison de l'efficacit\u00e9 du vide pour emp\u00eacher le rallumage de l'arc ; convient donc pour des op\u00e9rations fr\u00e9quentes.<\/p>\n\n\n\n

Taille et co\u00fbt<\/strong><\/strong><\/h2>\n\n\n\n

ACB : en g\u00e9n\u00e9ral, plus grand en taille et plus \u00e9conomique en co\u00fbt unitaire pour les applications basse tension.<\/p>\n\n\n\n

VCB : plus compact et plus \u00e9conome en \u00e9nergie, mais g\u00e9n\u00e9ralement plus cher en raison de la technologie de la chambre \u00e0 vide appliqu\u00e9e, et adapt\u00e9 aux syst\u00e8mes de moyenne tension.<\/p>\n\n\n\n

Tableau r\u00e9capitulatif<\/strong><\/strong><\/h2>\n\n\n\n
Fonctionnalit\u00e9<\/strong><\/strong><\/td>Disjoncteur pneumatique (ACB)<\/strong><\/strong><\/td>Disjoncteur \u00e0 vide (VCB)<\/strong><\/strong><\/td><\/tr>
Arc Quenching Medium<\/strong><\/td>Air<\/td>Le vide<\/td><\/tr>
Application de la tension<\/strong><\/td>Basse tension (jusqu'\u00e0 1 kV)<\/td>Moyenne tension (jusqu'\u00e0 36 kV ou plus)<\/td><\/tr>
Maintenance<\/strong><\/td>N\u00e9cessite un entretien fr\u00e9quent<\/td>Peu d'entretien<\/td><\/tr>
Durabilit\u00e9<\/strong><\/td>Convient pour une utilisation limit\u00e9e en cas d'interruption de l'arc \u00e9lectrique<\/td>Tr\u00e8s fiable et durable<\/td><\/tr>
Taille et co\u00fbt<\/strong><\/td>Plus grand et plus rentable<\/td>Compact mais plus cher<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Ces diff\u00e9rences expliquent pourquoi les ACB sont souvent choisis pour des applications \u00e0 basse tension alors que les VCB sont pr\u00e9f\u00e9r\u00e9s pour des applications \u00e0 moyenne tension o\u00f9 la durabilit\u00e9 et la fiabilit\u00e9 sont primordiales.<\/p>","protected":false},"excerpt":{"rendered":"

Moyen d'extinction de l'arc Disjoncteur \u00e0 air (ACB) : En cas de d\u00e9faut ou au moment de la coupure, le milieu d'extinction de l'arc est l'air \u00e0 la pression atmosph\u00e9rique. L'arc se refroidit gr\u00e2ce \u00e0 l'air pr\u00e9sent autour de lui. Disjoncteur \u00e0 vide (VCB) : Un vide pouss\u00e9 est utilis\u00e9 comme moyen d'extinction de l'arc dans [...]<\/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":"","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":"","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-2241","post","type-post","status-publish","format-standard","hentry","category-vcb"],"yoast_head":"\nDifference Between Air Circuit Breaker and Vacuum Circuit Breaker - JYIELE<\/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.jyiele.com\/fr\/difference-between-air-circuit-breaker-and-vacuum-circuit-breaker\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difference Between Air Circuit Breaker and Vacuum Circuit Breaker - JYIELE\" \/>\n<meta property=\"og:description\" content=\"Arc Quenching Medium Air Circuit Breaker (ACB): In the case of a fault or at the time of switching off, the medium of arc extinction is air at atmospheric pressure. 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