{"id":36928,"date":"2023-01-04T17:57:11","date_gmt":"2023-01-04T16:57:11","guid":{"rendered":"https:\/\/www.gt-engineering.it\/?post_type=normativa_tecnica&p=36928"},"modified":"2023-06-28T16:13:08","modified_gmt":"2023-06-28T15:13:08","slug":"5-caracteristiques-de-linterface","status":"publish","type":"normativa_tecnica","link":"https:\/\/www.gt-engineering.it\/fr\/reglements-techniques\/normes-iec\/en-iec-61439-2-ensembles-dappareillage-de-puissance\/5-caracteristiques-de-linterface\/","title":{"rendered":"5 – Caract\u00e9ristiques de l’interface"},"content":{"rendered":"\n\n \n \n \n
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Le chapitre 5<\/strong> \u00e9num\u00e8re les caract\u00e9ristiques de l’interface. En particulier, l’assemblage doit assurer la compatibilit\u00e9 avec le calibre des circuits auxquels il est connect\u00e9 et avec les conditions d’installation, et doit \u00eatre d\u00e9clar\u00e9 par le fabricant de l’assemblage. Le fabricant de l’ensemble doit donner les valeurs suivantes :<\/p>\n

– Tension nominale :<\/strong><\/p>\n

    \n
  • Tension assign\u00e9e Un<\/sub><\/strong> (tension nominale la plus \u00e9lev\u00e9e du syst\u00e8me \u00e9lectrique, en courant alternatif ou continu, d\u00e9clar\u00e9e par le fabricant de l’ensemble, \u00e0 laquelle le(s) circuit(s) principal(aux) de l’ensemble est (sont) con\u00e7u(s) pour \u00eatre raccord\u00e9(s) \u00a7 3.8.9.1)<\/li>\n
  • Tension assign\u00e9e d’emploi Ue<\/sub><\/strong> (valeur de la tension, d\u00e9clar\u00e9e par le fabricant de l’ensemble, qui, combin\u00e9e au courant assign\u00e9, d\u00e9termine son application \u00a7 3.8.9.2)<\/li>\n
  • Tension assign\u00e9e d’isolement Ui\u00a0<\/sub><\/strong> (valeur de r\u00e9sistance efficace, attribu\u00e9e par le fabricant de l’ensemble \u00e0 l’\u00e9quipement ou \u00e0 une partie de celui-ci, caract\u00e9risant la capacit\u00e9 de r\u00e9sistance sp\u00e9cifi\u00e9e (\u00e0 long terme) de l’isolation \u00a7 3.8.9.3)<\/li>\n
  • Tension nominale de tenue aux chocs Uimp<\/sub><\/strong> (valeur de tension de tenue aux chocs, d\u00e9clar\u00e9e par le fabricant de l’ensemble, caract\u00e9risant la capacit\u00e9 de tenue sp\u00e9cifi\u00e9e de l’isolation contre les surtensions transitoires \u00a7 3.8.9.4)<\/li>\n<\/ul>\n

    – Courants nominaux<\/strong><\/p>\n

      \n
    • Courant nominal de l’ensemble Ina<\/sub><\/strong><\/li>\n
    • Courant nominal d’un circuit Inc<\/sub><\/strong><\/li>\n
    • Courant de cr\u00eate assign\u00e9 Ipk<\/sub><\/strong> (valeur du courant de cr\u00eate de court-circuit, d\u00e9clar\u00e9e par le fabricant de l’ensemble, qui peut \u00eatre support\u00e9e dans les conditions sp\u00e9cifi\u00e9es \u00a7 3.8.10.2)<\/li>\n
    • Courant assign\u00e9 de courte dur\u00e9e Icw<\/sub><\/strong> (valeur efficace du courant de courte dur\u00e9e, d\u00e9clar\u00e9e par le fabricant de l’ensemble, qui peut \u00eatre support\u00e9 dans des conditions sp\u00e9cifi\u00e9es, d\u00e9finie en termes de courant et de temps \u00a7 3.8.10.3)<\/li>\n
    • Courant de court-circuit conditionnel assign\u00e9 d’un ensemble Icc<\/sub><\/strong> (valeur du courant de court-circuit prospectif, d\u00e9clar\u00e9e par le fabricant de l’ensemble, qui peut \u00eatre support\u00e9e pendant la dur\u00e9e totale de fonctionnement du dispositif de protection contre les courts-circuits (DPC) dans des conditions sp\u00e9cifi\u00e9es \u00a7 3.8.10.4)<\/li>\n<\/ul>\n

      – Rated diversity factor\u00a0RDF<\/strong> (valeur unitaire du courant assign\u00e9, attribu\u00e9e par le fabricant de l’ensemble, \u00e0 laquelle les circuits sortants d’un ensemble peuvent \u00eatre charg\u00e9s continuellement et simultan\u00e9ment en tenant compte des influences thermiques mutuelles \u00a7 3.8.11)<\/p>\n

      – Fr\u00e9quence nominale\u00a0fn<\/sub><\/strong> (valeur de la fr\u00e9quence, d\u00e9clar\u00e9e par le fabricant de l’ensemble, pour laquelle un circuit est con\u00e7u et \u00e0 laquelle les conditions de fonctionnement se r\u00e9f\u00e8rent \u00a7 3.8.12).<\/p>\n

      En outre, le fabricant de l’ensemble doit d\u00e9clarer les caract\u00e9ristiques suivantes :<\/p>\n

      a) Exigences suppl\u00e9mentaires en fonction des conditions de service sp\u00e9cifiques d’une unit\u00e9 fonctionnelle ;
      \nb) Degr\u00e9 de pollution (qui peut \u00eatre 1, 2, 3 ou 4) ;
      \nc) Types de mise \u00e0 la terre du syst\u00e8me pour lesquels l’ensemble est con\u00e7u (TT ou TN) ;
      \nd) Installation \u00e0 l’int\u00e9rieur et\/ou \u00e0 l’ext\u00e9rieur ;
      \ne) Stationnaire ou mobile ;
      \nf) Degr\u00e9 de protection ;
      \ng) Destin\u00e9 \u00e0 \u00eatre utilis\u00e9 par des personnes qualifi\u00e9es ou ordinaires ;
      \nh) Classification de la compatibilit\u00e9 \u00e9lectromagn\u00e9tique (EMC) (environnement A ou environnement B) ;
      \ni) Conditions de service particuli\u00e8res, le cas \u00e9ch\u00e9ant ;
      \nj) Conception externe (ensemble de type ouvert ; ensemble de type ferm\u00e9 ; ensemble de type bureau ; ensemble de type bo\u00eete…etc) ;
      \nk) la protection contre les chocs m\u00e9caniques, le cas \u00e9ch\u00e9ant
      \nl) Le type de construction – parties fixes ou amovibles ;
      \nm) La nature du ou des dispositifs de protection contre les courts-circuits ;
      \nn) Les mesures de protection contre les chocs \u00e9lectriques ;
      \no) Les dimensions d’encombrement, si n\u00e9cessaire ;
      \np) Le poids, si n\u00e9cessaire.<\/p>\n<\/div> <\/div>\n \n \n

      <\/div>\n \n\n <\/div>\n <\/section>\n\n \n","protected":false},"excerpt":{"rendered":"

      Le chapitre 5 \u00e9num\u00e8re les caract\u00e9ristiques de l’interface.<\/p>\n","protected":false},"author":182,"featured_media":36921,"parent":36900,"menu_order":1,"template":"","meta":{"_acf_changed":false,"footnotes":""},"normative-tecniche":[165],"class_list":["post-36928","normativa_tecnica","type-normativa_tecnica","status-publish","has-post-thumbnail","hentry","tipologia_normativa-normes-iec"],"acf":{"sottotitolo":"","allegati":null},"yoast_head":"\n5 - Caract\u00e9ristiques de l'interface - 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\/reglements-techniques\/normes-iec\/en-iec-61439-2-ensembles-dappareillage-de-puissance\/5-caracteristiques-de-linterface\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5 - Caract\u00e9ristiques de l'interface - 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