{"id":5153,"date":"2014-03-11T14:03:15","date_gmt":"2014-03-11T12:03:15","guid":{"rendered":"https:\/\/test.fkh.ch\/dienstleistungen\/erdungsprobleme-emv-emf-netzvorgaenge\/netztransientenmessungen\/"},"modified":"2019-10-03T15:09:23","modified_gmt":"2019-10-03T13:09:23","slug":"netztransientenmessungen","status":"publish","type":"page","link":"https:\/\/fkh.ch\/fr\/dienstleistungen\/erdungsprobleme-emv-emf-netzvorgaenge\/netztransientenmessungen\/","title":{"rendered":"Mesures des transitoires dans le r\u00e9seau"},"content":{"rendered":"
\"D\u00e9couplage<\/a>

D\u00e9couplage des signaux \u00e9lectriques dans les enroulements secondaires des transformateurs<\/p><\/div>\n

Les transitoires sont provoqu\u00e9s dans le r\u00e9seau par les op\u00e9rations de commutation mais aussi par la foudre. Il est essentiel de comprendre les processus et de quantifier les maxima de tension et de courant qu\u2019ils provoquent pour assurer la coordination de l’isolement (dimensionnement de l\u2019isolement du mat\u00e9riel et des dispositifs de protection antisurtension). La FKH peut mesurer les ph\u00e9nom\u00e8nes transitoires de toute nature.<\/p>\n

Probl\u00e8mes de ferror\u00e9sonance<\/strong><\/h3>\n

En dehors des transitoires rapides dans les r\u00e9seaux, il existe \u00e9galement l\u2019importante probl\u00e9matique des ph\u00e9nom\u00e8nes de basse fr\u00e9quence tels que les ph\u00e9nom\u00e8nes de r\u00e9sonance et de ferror\u00e9sonance, qui non seulement sollicitent les isolants mais peuvent aussi provoquer des surchauffes des composants du r\u00e9seau. La FKH \u00e9tudie r\u00e9guli\u00e8rement ces types de perturbations.<\/p>\n

\"Courbe<\/a>

Courbe de la tension simple et des courants parcourant l\u2019enroulement primaire du transformateur de tension pendant une oscillation de ferror\u00e9sonance triphas\u00e9e<\/p><\/div>\n

\"Oscilloscope<\/a>

Oscilloscope multicanaux pour enregistrement des oscillations triphas\u00e9es du courant et de la tension<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

Les transitoires sont provoqu\u00e9s dans le r\u00e9seau par les op\u00e9rations de commutation mais aussi par la foudre. Il est essentiel de comprendre les processus et de quantifier les maxima de tension et de courant qu\u2019ils provoquent pour assurer la coordination de l’isolement (dimensionnement de l\u2019isolement du mat\u00e9riel et des dispositifs de protection antisurtension). La FKH […]<\/p>\n","protected":false},"author":194,"featured_media":0,"parent":5150,"menu_order":10,"comment_status":"open","ping_status":"open","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-5153","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nMesures des transitoires dans le r\u00e9seau - FKH<\/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:\/\/fkh.ch\/fr\/dienstleistungen\/erdungsprobleme-emv-emf-netzvorgaenge\/netztransientenmessungen\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mesures des transitoires dans le r\u00e9seau - FKH\" \/>\n<meta property=\"og:description\" content=\"Les transitoires sont provoqu\u00e9s dans le r\u00e9seau par les op\u00e9rations de commutation mais aussi par la foudre. Il est essentiel de comprendre les processus et de quantifier les maxima de tension et de courant qu\u2019ils provoquent pour assurer la coordination de l’isolement (dimensionnement de l\u2019isolement du mat\u00e9riel et des dispositifs de protection antisurtension). 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