{"id":10474,"date":"2014-07-29T07:35:00","date_gmt":"2014-07-29T07:35:00","guid":{"rendered":"https:\/\/circutorweb.atic.blue\/?p=149"},"modified":"2014-07-29T07:35:00","modified_gmt":"2014-07-29T07:35:00","slug":"les-3-regles-essentielles-pour-la-selectivite-dans-les-protections-differentielles","status":"publish","type":"post","link":"https:\/\/circutor.com\/fr\/articulos\/les-3-regles-essentielles-pour-la-selectivite-dans-les-protections-differentielles\/","title":{"rendered":"Les 3 r\u00e8gles essentielles pour la s\u00e9lectivit\u00e9 dans les protections diff\u00e9rentielles"},"content":{"rendered":"<p>Une partie importante des d\u00e9clenchements intempestifs dans une installation est due \u00e0 un manque de coordination de s\u00e9lectivit\u00e9 entre les protections diff\u00e9rentielles. Avec de bonnes pratiques d\u2019installation nous pourrons r\u00e9soudre une grande partie des d\u00e9clenchements de protections diff\u00e9rentielles.<\/p>\n<p>La s\u00e9lectivit\u00e9 des protections diff\u00e9rentielles doit \u00eatre tant horizontale que verticale. Dans cet article, nous aborderons les 3 r\u00e8gles essentielles pour la s\u00e9lectivit\u00e9 verticale.<\/p>\n<p>Pour garantir la correcte s\u00e9lectivit\u00e9 verticale, il faut satisfaire \u00e0 3 conditions :<\/p>\n<ul>\n<li>S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique<\/li>\n<li>S\u00e9lectivit\u00e9 chronom\u00e9trique<\/li>\n<li>S\u00e9lectivit\u00e9 de type<\/li>\n<\/ul>\n<hr \/>\n<h4>S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique<\/h4>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100px; text-align: center;\" valign=\"top\">\n<p>&nbsp;<img loading=\"lazy\" class=\" size-full wp-image-141\" title=\"S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-amperimetrica-icono.jpg\" alt=\"S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique\" width=\"100\" height=\"96\" \/><\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td valign=\"top\">\n<p>Cette condition doit assurer que la valeur de sensibilit\u00e9 du diff\u00e9rentiel connect\u00e9 en amont (I<sub>\u22061<\/sub>) sera sup\u00e9rieure au double de la sensibilit\u00e9 du diff\u00e9rentiel connect\u00e9 en aval (I<sub>\u22062<\/sub>).<\/p>\n<p>Par exemple, un diff\u00e9rentiel avec une sensibilit\u00e9 de 30 mA (I<sub>\u22062<\/sub>) nous pourrions disposer d\u2019un diff\u00e9rentiel de 100 mA (I<sub>\u22061<\/sub>) ou sup\u00e9rieur en amont.<\/p>\n<p>Avec une s\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique seulement, nous ne satisferions qu\u2019\u00e0 l\u2019une des trois conditions et, par cons\u00e9quent, la s\u00e9lectivit\u00e9 serait seulement partielle.<\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td style=\"width: 175px; text-align: center;\" valign=\"top\"><img loading=\"lazy\" class=\" size-full wp-image-142\" title=\"Sch\u00e9ma S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-amperimetrica-esquema.jpg\" alt=\"Sch\u00e9ma S\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique\" width=\"175\" height=\"314\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>S\u00e9lectivit\u00e9 chronom\u00e9trique<\/h4>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100px; text-align: center;\" valign=\"top\">\n<p>&nbsp;<img loading=\"lazy\" class=\" size-full wp-image-143\" title=\"S\u00e9lectivit\u00e9 chronom\u00e9trique\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-cronometrica-icono.jpg\" alt=\"S\u00e9lectivit\u00e9 chronom\u00e9trique\" width=\"100\" height=\"96\" \/><\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td valign=\"top\">\n<p>Cette condition doit garantir qu\u2019un diff\u00e9rentiel connect\u00e9 en amont (t1) n\u2019agira pas avant un diff\u00e9rentiel en amont (t2) pour toute valeur de courant.<\/p>\n<p>Les temps de r\u00e9ponse doivent \u00eatre maintenus sous les temps limites de s\u00e9curit\u00e9.<\/p>\n<p>Conjointement \u00e0 la s\u00e9lectivit\u00e9 amp\u00e8rem\u00e9trique, nous obtiendrons une s\u00e9lectivit\u00e9 totale.<\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td style=\"width: 175px; text-align: center;\" valign=\"top\"><img loading=\"lazy\" class=\" size-full wp-image-144\" title=\"Sch\u00e9ma S\u00e9lectivit\u00e9 chronom\u00e9trique\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-cronometrica-esquema.jpg\" alt=\"Sch\u00e9ma S\u00e9lectivit\u00e9 chronom\u00e9trique\" width=\"175\" height=\"314\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h4>S\u00e9lectivit\u00e9 de type<\/h4>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100px; text-align: center;\" valign=\"top\">\n<p>&nbsp;<img loading=\"lazy\" class=\" size-full wp-image-145\" title=\"S\u00e9lectivit\u00e9 de type\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-tipo-icono.jpg\" alt=\"S\u00e9lectivit\u00e9 de type\" width=\"100\" height=\"96\" \/><\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td valign=\"top\">\n<p>Pour garantir la s\u00e9lectivit\u00e9 verticale, le type ou classe de diff\u00e9rentiel en amont doit \u00eatre sup\u00e9rieur ou \u00e9gal au diff\u00e9rentiel install\u00e9 en aval.<\/p>\n<p>Par le fait de la plus grande exigence dans les protections diff\u00e9rentielles des installations, de plus en plus de protections type A et type B seront n\u00e9cessaires, ce qui oblige \u00e0 respecter la s\u00e9lectivit\u00e9 verticale selon le type install\u00e9 en aval.<\/p>\n<\/td>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td style=\"width: 175px; text-align: center;\" valign=\"top\"><img loading=\"lazy\" class=\" size-full wp-image-146\" title=\"Sch\u00e9ma S\u00e9lectivit\u00e9 de type\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-selec-tipo-esquema-fr.jpg\" alt=\"Sch\u00e9ma S\u00e9lectivit\u00e9 de type\" width=\"175\" height=\"314\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\" size-full wp-image-147\" title=\"s\u00e9lectivit\u00e9 verticale\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-esquema.jpg\" alt=\"s\u00e9lectivit\u00e9 verticale\" width=\"700px\" height=\"NaN\" \/><\/p>\n<p>Les diff\u00e9rentiels RGU-2, RGU-10, RGU-10B et CBS4 de CIRCUTOR nous permettent de nous adapter aux exigences de s\u00e9lectivit\u00e9 pour toute installation. Nous pouvons ainsi nous adapter facilement aux param\u00e8tres de sensibilit\u00e9 comme de temps n\u00e9cessaires.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\" size-full wp-image-148\" title=\"Protection diff\u00e9rentielle CIRCUTOR\" src=\"https:\/\/circutorweb.atic.blue\/wp-content\/uploads\/2014\/07\/FA-tres-reglas-RGU-flechas-fr.jpg\" alt=\"Protection diff\u00e9rentielle CIRCUTOR\" width=\"700\" height=\"430\" \/><\/p>\n<p>Avec un seul diff\u00e9rentiel, nous pouvons prot\u00e9ger une simple charge, un sous-tableau ou un branchement g\u00e9n\u00e9ral. Tout ce, ajout\u00e9 \u00e0 son ultra immunit\u00e9 et aux hautes prestations (pr\u00e9-alarme, display et communications), fait des diff\u00e9rentiels CIRCUTOR l\u2019option id\u00e9ale pour tout type d\u2019installation.<\/p>\n<table style=\"width: 100%; background-color: #eeeeee;\">\n<tbody>\n<tr>\n<td style=\"width: 10px;\">&nbsp;<\/td>\n<td style=\"width: 250px;\" colspan=\"7\" valign=\"top\">\n<p><strong>Francesc Fornieles Castells<\/strong><\/p>\n<p>Responsable des march\u00e9s &#8211; Division Gestion \u00e9nerg\u00e9tique et Qualit\u00e9 de r\u00e9seau<br \/>Markets Manager &#8211; Energy Management and Power Quality Division<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Une partie importante des d\u00e9clenchements intempestifs dans une installation est due \u00e0 un manque de coordination de s\u00e9lectivit\u00e9 entre les protections diff\u00e9rentielles. Avec de bonnes pratiques d\u2019installation nous pourrons r\u00e9soudre une grande partie des d\u00e9clenchements de protections diff\u00e9rentielles. La s\u00e9lectivit\u00e9 des protections diff\u00e9rentielles doit \u00eatre tant horizontale que verticale. Dans cet article, nous aborderons les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":141,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1138],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les 3 r\u00e8gles essentielles pour la s\u00e9lectivit\u00e9 dans les protections diff\u00e9rentielles - CIRCUTOR<\/title>\n<meta name=\"description\" content=\"Une partie importante des d\u00e9clenchements intempestifs dans une installation est due \u00e0 un manque de coordination de s\u00e9lectivit\u00e9 entre les protections diff\u00e9rentielles. 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