{"id":24461,"date":"2024-07-10T17:01:39","date_gmt":"2024-07-10T09:01:39","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=24461"},"modified":"2026-04-13T14:14:17","modified_gmt":"2026-04-13T06:14:17","slug":"how-to-deal-with-lightning-and-surges","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/","title":{"rendered":"Strat\u00e9gies efficaces de protection des syst\u00e8mes \u00e9lectroniques contre les risques de foudre et de surtension"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#introduction-to-lightning-and-surge\" >Introduction \u00e0 la foudre et aux surtensions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#understanding-lightning-types-and-their-impacts\" >Comprendre les types de foudre et leurs impacts<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#direct-lightning\" >Foudre directe<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#induced-lightning-and-surge\" >Foudre et surtension induites<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#infiltration-paths-of-lightning-and-surge\" >Voies d'infiltration de la foudre et de la surtension<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#a-distribution-line-surges\" >(A) Surtensions des lignes de distribution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#b-signal-line-surges\" >(B) Surtensions des lignes de signaux<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#preventive-measures-against-lightning-and-surge\" >Mesures pr\u00e9ventives contre la foudre et les surtensions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/#conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"46\" data-end=\"83\"><span class=\"ez-toc-section\" id=\"introduction-to-lightning-and-surge\"><\/span>Introduction \u00e0 la foudre et aux surtensions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-24481 alignright\" style=\"display: block;\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/07\/The_direct_lightning_strike_process_on_transmission_lines_png.png\" alt=\"Le processus de foudroiement direct sur les lignes de transmission. \" width=\"375\" height=\"375\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/07\/The_direct_lightning_strike_process_on_transmission_lines_png.png 1024w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/07\/The_direct_lightning_strike_process_on_transmission_lines_png-150x150.png 150w\" sizes=\"(max-width: 375px) 100vw, 375px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p data-start=\"85\" data-end=\"438\">La foudre, une force naturelle puissante, cr\u00e9e des risques s\u00e9rieux pour les syst\u00e8mes \u00e9lectroniques. La compr\u00e9hension des types de foudre et de leurs impacts aide les ing\u00e9nieurs \u00e0 d\u00e9velopper des strat\u00e9gies de protection efficaces. Cet article explique la classification de la foudre, les dangers associ\u00e9s et les principales mesures pr\u00e9ventives pour prot\u00e9ger les syst\u00e8mes \u00e9lectroniques des dommages caus\u00e9s par la foudre et les surtensions.<\/p>\n<h2 data-start=\"440\" data-end=\"489\"><span class=\"ez-toc-section\" id=\"understanding-lightning-types-and-their-impacts\"><\/span>Comprendre les types de foudre et leurs impacts<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"491\" data-end=\"643\">La foudre se divise g\u00e9n\u00e9ralement en deux cat\u00e9gories principales. Chaque cat\u00e9gorie pr\u00e9sente des caract\u00e9ristiques uniques et des risques distincts de surtension dans les syst\u00e8mes \u00e9lectroniques.<\/p>\n<h2 data-start=\"645\" data-end=\"664\"><span class=\"ez-toc-section\" id=\"direct-lightning\"><\/span>Foudre directe<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"666\" data-end=\"828\">La foudre directe frappe les objets au sol avec une immense \u00e9nergie. Ce type de coup cause de graves dommages aux \u00e9quipements et constitue la source la plus dangereuse de surtensions.<\/p>\n<h2 data-start=\"830\" data-end=\"860\"><span class=\"ez-toc-section\" id=\"induced-lightning-and-surge\"><\/span>Foudre et surtension induites<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"862\" data-end=\"1107\">La foudre induite n'implique pas de frappe directe. Elle provient plut\u00f4t des puissants champs \u00e9lectromagn\u00e9tiques g\u00e9n\u00e9r\u00e9s par la foudre \u00e0 proximit\u00e9. Ces champs induisent des courants dans les conducteurs, ce qui entra\u00eene des interf\u00e9rences dans le syst\u00e8me et des surtensions internes.<\/p>\n<h2 data-start=\"1109\" data-end=\"1152\"><span class=\"ez-toc-section\" id=\"infiltration-paths-of-lightning-and-surge\"><\/span>Voies d'infiltration de la foudre et de la surtension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1154\" data-end=\"1317\">La foudre et les surtensions p\u00e9n\u00e8trent principalement dans les syst\u00e8mes \u00e9lectroniques par les lignes de distribution et de signalisation. Sans protection, ces surtensions endommagent gravement les \u00e9quipements sensibles.<\/p>\n<h3 data-start=\"1319\" data-end=\"1350\"><span class=\"ez-toc-section\" id=\"a-distribution-line-surges\"><\/span>(A) Surtensions des lignes de distribution<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"1352\" data-end=\"1929\">\n<li data-start=\"1352\" data-end=\"1549\">\n<p data-start=\"1354\" data-end=\"1549\"><strong data-start=\"1354\" data-end=\"1384\">Induction \u00e9lectromagn\u00e9tique :<\/strong> La foudre qui frappe les b\u00e2timents induit des surtensions. Ces tensions se propagent dans les lignes de distribution et endommagent les appareils connect\u00e9s. L'installation de disjoncteurs r\u00e9duit ce risque.<\/p>\n<\/li>\n<li data-start=\"1553\" data-end=\"1752\">\n<p data-start=\"1555\" data-end=\"1752\"><strong data-start=\"1555\" data-end=\"1574\">Gr\u00e8ves \u00e0 proximit\u00e9 :<\/strong> M\u00eame sans frappe directe, la foudre \u00e0 proximit\u00e9 cr\u00e9e des champs \u00e9lectromagn\u00e9tiques puissants. Ces champs induisent des surtensions sur les lignes de distribution, ce qui rend la conception de la protection essentielle.<\/p>\n<\/li>\n<li data-start=\"1756\" data-end=\"1929\">\n<p data-start=\"1758\" data-end=\"1929\"><strong data-start=\"1758\" data-end=\"1784\">Induction mutuelle en ligne :<\/strong> Les lignes de distribution \u00e9troitement group\u00e9es \u00e0 l'int\u00e9rieur des b\u00e2timents peuvent induire des courants nocifs les unes dans les autres. Un espacement correct des lignes r\u00e9duit les risques de courant d'appel.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1931\" data-end=\"1956\"><span class=\"ez-toc-section\" id=\"b-signal-line-surges\"><\/span>(B) Surtensions des lignes de signaux<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"1958\" data-end=\"2384\">\n<li data-start=\"1958\" data-end=\"2154\">\n<p data-start=\"1960\" data-end=\"2154\"><strong data-start=\"1960\" data-end=\"1993\">Induction \u00e0 la ligne de communication :<\/strong> Les lignes de signalisation sont particuli\u00e8rement vuln\u00e9rables aux interf\u00e9rences \u00e9lectromagn\u00e9tiques. Les surtensions provoqu\u00e9es par la foudre traversent ces lignes et perturbent les \u00e9quipements de communication.<\/p>\n<\/li>\n<li data-start=\"2158\" data-end=\"2384\">\n<p data-start=\"2160\" data-end=\"2384\"><strong data-start=\"2160\" data-end=\"2204\">Sensibilit\u00e9 accrue des \u00e9quipements de signalisation :<\/strong> Bien que les surtensions sur les lignes de signaux soient plus faibles que sur les lignes \u00e9lectriques, les appareils de communication sensibles tombent en panne m\u00eame en cas de pointes de tension mineures. La protection contre les surtensions est essentielle pour ces syst\u00e8mes.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"2386\" data-end=\"2435\"><span class=\"ez-toc-section\" id=\"preventive-measures-against-lightning-and-surge\"><\/span>Mesures pr\u00e9ventives contre la foudre et les surtensions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>La protection des syst\u00e8mes \u00e9lectroniques n\u00e9cessite plusieurs couches de protection. Les mesures pr\u00e9ventives suivantes r\u00e9duisent consid\u00e9rablement les risques de foudre et de surtension :<\/p>\n<ul data-start=\"2590\" data-end=\"3323\">\n<li data-start=\"2590\" data-end=\"2738\">\n<p data-start=\"2592\" data-end=\"2738\"><strong data-start=\"2592\" data-end=\"2636\">Installer des dispositifs de protection contre les surtensions (SPD) :<\/strong> Installer des disjoncteurs aux points d'entr\u00e9e de l'\u00e9lectricit\u00e9 et des signaux afin d'absorber les pointes de tension et de prot\u00e9ger les circuits internes.<\/p>\n<\/li>\n<li data-start=\"2742\" data-end=\"2893\">\n<p data-start=\"2744\" data-end=\"2893\"><strong data-start=\"2744\" data-end=\"2774\">Utiliser des sch\u00e9mas de c\u00e2blage appropri\u00e9s :<\/strong> S\u00e9parer les c\u00e2bles d'alimentation et de signal pendant le c\u00e2blage. Cela r\u00e9duit le couplage \u00e9lectromagn\u00e9tique et minimise l'impact des surtensions.<\/p>\n<\/li>\n<li data-start=\"2897\" data-end=\"3057\">\n<p data-start=\"2899\" data-end=\"3057\"><strong data-start=\"2899\" data-end=\"2932\">Assurer la liaison \u00e9quipotentielle :<\/strong> Relier toutes les parties m\u00e9talliques \u00e0 l'int\u00e9rieur des b\u00e2timents au m\u00eame potentiel. Cela permet de r\u00e9duire les diff\u00e9rences de tension et de limiter les d\u00e9g\u00e2ts caus\u00e9s par les surtensions.<\/p>\n<\/li>\n<li data-start=\"3061\" data-end=\"3187\">\n<p data-start=\"3063\" data-end=\"3187\"><strong data-start=\"3063\" data-end=\"3094\">Utiliser des c\u00e2bles de signal blind\u00e9s :<\/strong> Les c\u00e2bles blind\u00e9s prot\u00e8gent les lignes de signaux des tensions induites et des interf\u00e9rences \u00e9lectromagn\u00e9tiques.<\/p>\n<\/li>\n<li data-start=\"3191\" data-end=\"3323\">\n<p data-start=\"3193\" data-end=\"3323\"><strong data-start=\"3193\" data-end=\"3225\">Effectuer un entretien r\u00e9gulier :<\/strong> Les inspections de routine et le remplacement en temps voulu des dispositifs de protection garantissent la s\u00e9curit\u00e9 continue du syst\u00e8me.<\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"3325\" data-end=\"3337\"><span class=\"ez-toc-section\" id=\"conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3339\" data-end=\"3710\" data-is-last-node=\"\" data-is-only-node=\"\">L'application de ces strat\u00e9gies minimise les risques de foudre et de surtension pour les syst\u00e8mes \u00e9lectroniques. En am\u00e9liorant le c\u00e2blage, en installant des parasurtenseurs et en entretenant les syst\u00e8mes de mise \u00e0 la terre, les op\u00e9rateurs peuvent augmenter de mani\u00e8re significative la fiabilit\u00e9 des syst\u00e8mes et prot\u00e9ger les actifs. Un plan de protection proactif garantit un fonctionnement plus s\u00fbr des infrastructures \u00e9lectroniques modernes dans des conditions de foudre difficiles.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction \u00e0 la foudre et aux surtensions La foudre, une force naturelle puissante, cr\u00e9e des risques s\u00e9rieux pour les syst\u00e8mes \u00e9lectroniques. La compr\u00e9hension des types de foudre et de leurs impacts permet aux ing\u00e9nieurs de d\u00e9velopper des strat\u00e9gies de protection efficaces. Cet article explique la classification de la foudre, les dangers associ\u00e9s et les principales mesures pr\u00e9ventives pour prot\u00e9ger les syst\u00e8mes \u00e9lectroniques des dommages caus\u00e9s par la foudre et les surtensions. Comprendre les types de foudre et...<\/p>","protected":false},"author":18,"featured_media":27961,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-24461","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-surge-protection","category-industry-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Effective Strategies for Protecting Electronic Systems<\/title>\n<meta name=\"description\" content=\"How to deal with lightning and surges\uff1f We at LEEYEE are always dedicated to providing low-voltage electrical protection solutions.\" \/>\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.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Effective Strategies for Protecting Electronic Systems\" \/>\n<meta property=\"og:description\" content=\"How to deal with lightning and surges\uff1f We at LEEYEE are always dedicated to providing low-voltage electrical protection solutions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cnspd.com\/fr\/comment-faire-face-a-la-foudre-et-aux-surtensions\/\" \/>\n<meta property=\"og:site_name\" content=\"Surge Protector, Surge Arrestor, Isolating Switch - 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