{"id":49040,"date":"2015-04-17T00:00:00","date_gmt":"2015-04-16T22:00:00","guid":{"rendered":"https:\/\/at3w.com\/blog\/la-norme-iec-62305-4-fournit-des-calculs-detailles-pour-la-protection-des-equipements-sensibles-contre-les-effets-de-la-foudre\/"},"modified":"2015-04-17T00:00:00","modified_gmt":"2015-04-16T22:00:00","slug":"la-norme-iec-62305-4-fournit-des-calculs-detailles-pour-la-protection-des-equipements-sensibles-contre-les-effets-de-la-foudre","status":"publish","type":"post","link":"https:\/\/at3w.com\/fr\/blog\/la-norme-iec-62305-4-fournit-des-calculs-detailles-pour-la-protection-des-equipements-sensibles-contre-les-effets-de-la-foudre\/","title":{"rendered":"La norme IEC 62305-4 fournit des calculs d\u00e9taill\u00e9s pour la protection des \u00e9quipements sensibles contre les effets de la foudre"},"content":{"rendered":"<p>Les blindages ainsi qu\u2019une correcte s\u00e9lection et coordination de parafoudres peuvent \u00e9viter des pertes importantes.<\/p>\n<p>La foudre est un ph\u00e9nom\u00e8ne d&rsquo;une \u00e9nergie \u00e9norme. M\u00eame si la structure est correctement prot\u00e9g\u00e9e contre l\u2019impact direct de la foudre, l\u2019impulsion \u00e9lectromagn\u00e9tique de foudre (IEMF ou LEMP selon son acronyme en anglais) peut produire des d\u00e9faillances dans les \u00e9quipements \u00e9lectriques et \u00e9lectroniques. Les surtensions transitoires peuvent \u00eatre conduites ou induites par les c\u00e2bles de connexion. De plus, les impacts sur la structure, sur le terrain \u00e0 proximit\u00e9 ou y compris le champ \u00e9lectromagn\u00e9tique cr\u00e9\u00e9 par la foudre, \u00a0peuvent affecter directement les \u00e9quipements.<\/p>\n<p>La norme IEC 62305-4 d\u00e9crit les sources possibles de dommages et indique, avec des calculs d\u00e9taill\u00e9s, comment r\u00e9duire au minimum leurs effets \u00e0 un co\u00fbt ajust\u00e9. Elle d\u00e9crit les mesures comme le blindage de certaines zones de la structure ou des c\u00e2bles de connexion. Elle d\u00e9taille \u00e9galement les crit\u00e8res pour la s\u00e9lection et surtout pour la correcte coordination des parafoudres\u00a0 afin d\u2019optimiser les mesures de s\u00e9curit\u00e9 permettant d\u2019\u00e9viter les d\u00e9faillances des \u00e9quipements.<\/p>\n<p><a href=\"http:\/\/paratonnerres-at3w.fr\/contact\/s13\">Pour effectuer une \u00e9tude de protection contre les surtensions, \u00a0veuillez contacter notre d\u00e9partement technique <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\n\tLes blindages ainsi qu&rsquo;une correcte s&eacute;lection et coordination de parafoudres peuvent &eacute;viter des pertes importantes.<\/p>\n","protected":false},"author":11,"featured_media":49041,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5587,5615,5550],"tags":[],"class_list":["post-49040","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entreprise","category-normalisation-fr","category-smart-lightning-fr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.0 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>La norme IEC 62305-4 fournit des calculs d\u00e9taill\u00e9s pour la protection des \u00e9quipements sensibles contre les effets de la foudre<\/title>\n<meta name=\"description\" content=\"Les blindages ainsi qu\u2019une correcte s\u00e9lection et coordination de parafoudres peuvent \u00e9viter des pertes importantes.\" \/>\n<meta name=\"robots\" content=\"index, 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