{"id":35560,"date":"2023-02-20T17:44:28","date_gmt":"2023-02-20T16:44:28","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=consulenza&#038;p=35560"},"modified":"2023-06-21T11:00:00","modified_gmt":"2023-06-21T10:00:00","slug":"etudes-de-selectivite-iec-60947-2","status":"publish","type":"consulenza","link":"https:\/\/www.gt-engineering.it\/fr\/consultant\/etudes-de-selectivite-iec-60947-2\/","title":{"rendered":"\u00c9tudes de s\u00e9lectivit\u00e9, IEC 60947-2"},"content":{"rendered":"\n\n    \n        <section\n            data-name=\"Contenuto testuale con immagine\"\n            class=\"bow-gte-testo-media u-spacer-base\"\n            id=\"\"\n        >\n            \n<div class=\"o-text-media px-side-spacer sm:px-side-spacer-sm lg:px-side-spacer-tablet 2xl:px-side-spacer-desktop flex flex-wrap items-start md:block\">\n\n    \n        \n        \n                    <div class=\"relative w-full\">\n                \n<div class=\"a-text font-text text-base normal mt-8 first:mt-0 space-y-4\">\n    <p>Qu&rsquo;est-ce que la <strong>\u00ab\u00a0s\u00e9lectivit\u00e9\u00a0\u00bb<\/strong> ? Une s\u00e9lectivit\u00e9 totale signifie que les dispositifs de protection minimisent l&rsquo;effet d&rsquo;un court-circuit ou d&rsquo;un autre \u00e9v\u00e9nement ind\u00e9sirable sur le r\u00e9seau \u00e9lectrique. La partie du r\u00e9seau qui doit \u00eatre arr\u00eat\u00e9e en r\u00e9ponse \u00e0 l&rsquo;\u00e9v\u00e9nement est maintenue au minimum absolu.<br \/>\nBien que plusieurs dispositifs puissent r\u00e9agir au d\u00e9faut, l&rsquo;objectif est que le premier dispositif de protection sur le chemin menant \u00e0 la source d&rsquo;alimentation se d\u00e9clenche et \u00e9limine le d\u00e9faut. Si le dispositif suivant devait s&rsquo;ouvrir, d&rsquo;autres charges non aliment\u00e9es par le circuit non d\u00e9faillant pourraient \u00eatre mises hors tension inutilement.<br \/>\nLes d\u00e9finitions de la s\u00e9lectivit\u00e9 totale et de la s\u00e9lectivit\u00e9 partielle sont donn\u00e9es dans la partie 2 de la norme <strong>IEC 60947-2<\/strong> \u00ab\u00a0Mat\u00e9riel de basse tension &#8211; Partie 2 : Disjoncteurs\u00a0\u00bb.<br \/>\n<strong>\u00ab\u00a0S\u00e9lectivit\u00e9 totale<\/strong> (2.17.2) : S\u00e9lectivit\u00e9 \u00e0 maximum de courant o\u00f9, en pr\u00e9sence de deux dispositifs de protection contre les surintensit\u00e9s en s\u00e9rie, le dispositif de protection c\u00f4t\u00e9 charge assure la protection sans faire d\u00e9clencher l&rsquo;autre dispositif\u00a0\u00bb.<br \/>\n<strong>\u00ab\u00a0S\u00e9lectivit\u00e9 partielle<\/strong> (2.17.3) : S\u00e9lectivit\u00e9 \u00e0 maximum de courant o\u00f9, en pr\u00e9sence de deux dispositifs de protection contre les surintensit\u00e9s en s\u00e9rie, le dispositif de protection c\u00f4t\u00e9 charge assure la protection jusqu&rsquo;\u00e0 un niveau donn\u00e9 de surintensit\u00e9, sans faire d\u00e9clencher l&rsquo;autre dispositif\u00a0\u00bb.<\/p>\n<p><strong>GT Engineering<\/strong> a pr\u00e9par\u00e9 des \u00e9tudes de s\u00e9lectivit\u00e9 de syst\u00e8mes de distribution d&rsquo;\u00e9nergie sur des sites aliment\u00e9s en moyenne tension et en haute tension.<br \/>\nNous incluons \u00e9galement toute production locale et analysons en d\u00e9tail les r\u00e9glages de protection des g\u00e9n\u00e9rateurs.<\/p>\n<\/div>            <\/div>\n        \n        \n                <div class=\"clear-both\"><\/div>\n        \n\n    <\/div>\n        <\/section>\n\n    \n","protected":false},"excerpt":{"rendered":"<p>Qu&rsquo;est-ce que la \u00ab\u00a0s\u00e9lectivit\u00e9\u00a0\u00bb ? Une s\u00e9lectivit\u00e9 totale signifie que les dispositifs de protection minimisent l&rsquo;effet d&rsquo;un court-circuit ou d&rsquo;un autre \u00e9v\u00e9nement ind\u00e9sirable sur le r\u00e9seau \u00e9lectrique.<\/p>\n","protected":false},"author":182,"featured_media":35561,"menu_order":6,"template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-35560","consulenza","type-consulenza","status-publish","has-post-thumbnail","hentry"],"acf":{"sottotitolo":"Norme IEC 60947-2 \"Mat\u00e9riel de basse tension - Partie 2 : Disjoncteurs\""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u00c9tudes de s\u00e9lectivit\u00e9, IEC 60947-2 - Gt-Engineering<\/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.gt-engineering.it\/fr\/consultant\/etudes-de-selectivite-iec-60947-2\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c9tudes de s\u00e9lectivit\u00e9, IEC 60947-2 - Gt-Engineering\" \/>\n<meta property=\"og:description\" content=\"Qu&#039;est-ce que la &quot;s\u00e9lectivit\u00e9&quot; ? 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