{"id":27737,"date":"2025-07-21T14:09:23","date_gmt":"2025-07-21T06:09:23","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=27737"},"modified":"2026-04-10T13:35:32","modified_gmt":"2026-04-10T05:35:32","slug":"what-is-a-surge","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/fr\/quest-ce-quune-poussee\/","title":{"rendered":"Qu'est-ce qu'une hausse ?"},"content":{"rendered":"<p data-start=\"46\" data-end=\"276\">Les surtensions incontr\u00f4l\u00e9es peuvent d\u00e9truire des \u00e9quipements critiques, entra\u00eenant des temps d'arr\u00eat co\u00fbteux. LEEYEE, l'un des principaux fabricants de dispositifs de protection contre les surtensions, propose des dispositifs de protection contre les surtensions de haute performance avec des param\u00e8tres Imax et Up de pointe pour les industries du monde entier.<\/p>\n<p data-start=\"46\" data-end=\"276\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-26994\" src=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"Qu&#039;est-ce qu&#039;une hausse ?\" width=\"600\" height=\"408\" srcset=\"https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg 600w, https:\/\/www.cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3-150x102.jpg 150w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p data-start=\"278\" data-end=\"649\"><strong data-start=\"283\" data-end=\"649\">Une surtension est un \u00e9v\u00e9nement transitoire o\u00f9 la tension \u00e9lectrique d\u00e9passe soudainement les niveaux standard, ce qui constitue une menace s\u00e9rieuse pour les syst\u00e8mes \u00e9lectriques. Les dispositifs de protection contre les surtensions (SPD) att\u00e9nuent efficacement ces pics de tension nuisibles, \u00e9vitant ainsi d'endommager les \u00e9quipements, de perdre des donn\u00e9es et de perturber le fonctionnement dans les environnements r\u00e9sidentiels, commerciaux et industriels.<\/strong><\/p>\n<p data-start=\"651\" data-end=\"786\">Comprendre les types, les causes et les solutions professionnelles aux surtensions \u00e9lectriques - d\u00e9couvrir la cl\u00e9 d'une s\u00e9curit\u00e9 \u00e9lectrique ininterrompue.<\/p>\n<hr data-start=\"788\" data-end=\"791\" \/>\n<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\/quest-ce-quune-poussee\/#what-is-a-surge\" >Qu'est-ce qu'une hausse ?<\/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\/quest-ce-quune-poussee\/#why-are-surges-dangerous\" >Pourquoi les surtensions sont-elles dangereuses ?<\/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\/quest-ce-quune-poussee\/#leeyee-surge-protection-solutions\" >Solutions de protection contre les surtensions LEEYEE<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/quest-ce-quune-poussee\/#technical-parameters-explained\" >Explication des param\u00e8tres techniques<\/a><\/li><\/ul><\/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\/quest-ce-quune-poussee\/#application-areas\" >Domaines d'application<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/quest-ce-quune-poussee\/#frequently-asked-questions-faqs-about-what-is-a-surge\" >Foire aux questions (FAQ) sur ce qu'est une surtension<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/quest-ce-quune-poussee\/#disclaimer\" >Clause de non-responsabilit\u00e9<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"793\" data-end=\"813\"><span class=\"ez-toc-section\" id=\"what-is-a-surge\"><\/span>Qu'est-ce qu'une hausse ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"815\" data-end=\"1138\">A <strong data-start=\"817\" data-end=\"826\">d\u00e9ferlement<\/strong> d\u00e9signe une augmentation temporaire et brutale de la tension au-dessus de la valeur nominale d'un syst\u00e8me \u00e9lectrique, qui dure g\u00e9n\u00e9ralement de quelques microsecondes \u00e0 quelques millisecondes. Dans les syst\u00e8mes \u00e9lectriques con\u00e7us pour <strong data-start=\"1006\" data-end=\"1022\">220V ou 110V<\/strong>Les surtensions peuvent momentan\u00e9ment d\u00e9passer la valeur de <strong data-start=\"1066\" data-end=\"1097\">1000V ou m\u00eame jusqu'\u00e0 10 000V<\/strong>en fonction de la cause et de l'environnement.<\/p>\n<p data-start=\"1140\" data-end=\"1208\">Selon le <strong data-start=\"1153\" data-end=\"1179\">Normes IEC 61643-11<\/strong>Les surtensions sont class\u00e9es en<\/p>\n<ul data-start=\"1209\" data-end=\"1491\">\n<li data-start=\"1209\" data-end=\"1284\">\n<p data-start=\"1211\" data-end=\"1284\"><strong data-start=\"1211\" data-end=\"1234\">Cat\u00e9gorie I (Type 3)<\/strong>: Petites surtensions localis\u00e9es provenant d'\u00e9quipements domestiques.<\/p>\n<\/li>\n<li data-start=\"1285\" data-end=\"1385\">\n<p data-start=\"1287\" data-end=\"1385\"><strong data-start=\"1287\" data-end=\"1311\">Cat\u00e9gorie II (Type 2)<\/strong>: Surtensions dues \u00e0 des op\u00e9rations de commutation ou \u00e0 des effets secondaires induits par la foudre.<\/p>\n<\/li>\n<li data-start=\"1386\" data-end=\"1491\">\n<p data-start=\"1388\" data-end=\"1491\"><strong data-start=\"1388\" data-end=\"1413\">Cat\u00e9gorie III (Type 1)<\/strong>: Les surtensions \u00e0 haute \u00e9nergie comme les coups de foudre directs ou les perturbations de la ligne \u00e9lectrique.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1493\" data-end=\"1550\">La norme IEEE C62.41.1 d\u00e9crit en outre les surtensions en fonction de leur forme d'onde :<\/p>\n<ul data-start=\"1551\" data-end=\"1627\">\n<li data-start=\"1551\" data-end=\"1584\">\n<p data-start=\"1553\" data-end=\"1584\"><strong data-start=\"1553\" data-end=\"1571\">Surtensions d'impulsion<\/strong> (1,2\/50 \u00b5s),<\/p>\n<\/li>\n<li data-start=\"1585\" data-end=\"1627\">\n<p data-start=\"1587\" data-end=\"1627\"><strong data-start=\"1587\" data-end=\"1607\">Surtensions de l'onde annulaire<\/strong> (temps de mont\u00e9e de 0,5 \u00b5s).<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1629\" data-end=\"1823\">Le <strong data-start=\"1633\" data-end=\"1668\">Institut de protection contre les surtensions de la NEMA<\/strong> identifie que pr\u00e8s de <strong data-start=\"1692\" data-end=\"1709\">80% de surtensions<\/strong> proviennent de la commutation de la charge, tandis que le reste provient de perturbations externes du r\u00e9seau ou de la foudre.<\/p>\n<hr data-start=\"1825\" data-end=\"1828\" \/>\n<h2 data-start=\"1830\" data-end=\"1859\"><span class=\"ez-toc-section\" id=\"why-are-surges-dangerous\"><\/span>Pourquoi les surtensions sont-elles dangereuses ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1861\" data-end=\"1888\">Des surtensions non contr\u00f4l\u00e9es peuvent provoquer :<\/p>\n<ul data-start=\"1889\" data-end=\"2309\">\n<li data-start=\"1889\" data-end=\"1943\">\n<p data-start=\"1891\" data-end=\"1943\"><strong data-start=\"1891\" data-end=\"1922\">\u00c9puisement imm\u00e9diat de l'\u00e9quipement<\/strong> de la contrainte thermique.<\/p>\n<\/li>\n<li data-start=\"1944\" data-end=\"1992\">\n<p data-start=\"1946\" data-end=\"1992\"><strong data-start=\"1946\" data-end=\"1967\">Vieillissement acc\u00e9l\u00e9r\u00e9<\/strong> des composants sensibles.<\/p>\n<\/li>\n<li data-start=\"1993\" data-end=\"2165\">\n<p data-start=\"1995\" data-end=\"2165\"><strong data-start=\"1995\" data-end=\"2014\">Temps d'arr\u00eat du syst\u00e8me<\/strong> dans les environnements industriels, entra\u00eenant des pertes financi\u00e8res consid\u00e9rables (par exemple, les donn\u00e9es de la courbe de l'ITIC montrent que les appareils sensibles peuvent \u00eatre endommag\u00e9s \u00e0 une distance d'\u00e0 peine 1,5 m\u00e8tre). <strong data-start=\"2155\" data-end=\"2163\">400V<\/strong>).<\/p>\n<\/li>\n<li data-start=\"2166\" data-end=\"2217\">\n<p data-start=\"2168\" data-end=\"2217\"><strong data-start=\"2168\" data-end=\"2187\">Corruption de donn\u00e9es<\/strong> dans les installations informatiques et les centres de donn\u00e9es.<\/p>\n<\/li>\n<li data-start=\"2218\" data-end=\"2309\">\n<p data-start=\"2220\" data-end=\"2309\"><strong data-start=\"2220\" data-end=\"2234\">Risques d'incendie<\/strong> en cas de surtensions extr\u00eames, en particulier dans les industries p\u00e9trochimiques et lourdes.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2311\" data-end=\"2452\">A <strong data-start=\"2313\" data-end=\"2344\">Rapport du minist\u00e8re de l'\u00e9nergie<\/strong> indique que les surtensions contribuent \u00e0 pr\u00e8s de <strong data-start=\"2388\" data-end=\"2428\">60% des d\u00e9faillances de l'\u00e9quipement \u00e9lectrique<\/strong> en milieu industriel.<\/p>\n<hr data-start=\"2454\" data-end=\"2457\" \/>\n<h2 data-start=\"2459\" data-end=\"2496\"><span class=\"ez-toc-section\" id=\"leeyee-surge-protection-solutions\"><\/span>Solutions de protection contre les surtensions LEEYEE<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2498\" data-end=\"2619\">LEEYEE, avec plus de 13 ans d'exp\u00e9rience dans la fabrication, se sp\u00e9cialise dans les domaines suivants <strong data-start=\"2569\" data-end=\"2603\">Dispositifs de protection contre les surtensions (SPD)<\/strong> con\u00e7u pour :<\/p>\n<ul data-start=\"2620\" data-end=\"2882\">\n<li data-start=\"2620\" data-end=\"2668\">\n<p data-start=\"2622\" data-end=\"2668\"><strong data-start=\"2622\" data-end=\"2667\">Capacit\u00e9 de d\u00e9charge \u00e9lev\u00e9e (Imax jusqu'\u00e0 80 kA)<\/strong>.<\/p>\n<\/li>\n<li data-start=\"2669\" data-end=\"2736\">\n<p data-start=\"2671\" data-end=\"2736\"><strong data-start=\"2671\" data-end=\"2708\">Faible tension r\u00e9siduelle (jusqu'\u00e0 &lt; 1,5kV)<\/strong> pour prot\u00e9ger l'\u00e9quipement final.<\/p>\n<\/li>\n<li data-start=\"2737\" data-end=\"2804\">\n<p data-start=\"2739\" data-end=\"2804\"><strong data-start=\"2739\" data-end=\"2769\">Temps de r\u00e9ponse rapide (&lt;25ns)<\/strong> pour bloquer instantan\u00e9ment les pointes nuisibles.<\/p>\n<\/li>\n<li data-start=\"2805\" data-end=\"2882\">\n<p data-start=\"2807\" data-end=\"2882\"><strong data-start=\"2807\" data-end=\"2858\">M\u00e9canismes de protection thermique et contre les courts-circuits<\/strong> pour la s\u00e9curit\u00e9 des op\u00e9rations.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2884\" data-end=\"2948\">Nos DOCUP r\u00e9pondent <strong data-start=\"2898\" data-end=\"2922\">CB, TUV, ISO9001, CE<\/strong> applicables en :<\/p>\n<ul data-start=\"2949\" data-end=\"3049\">\n<li data-start=\"2949\" data-end=\"3049\">\n<p data-start=\"2951\" data-end=\"3049\"><strong data-start=\"2951\" data-end=\"3048\">Centres de donn\u00e9es, installations industrielles, b\u00e2timents commerciaux, syst\u00e8mes photovolta\u00efques et infrastructures de t\u00e9l\u00e9communications<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3051\" data-end=\"3168\">LEEYEE offre <strong data-start=\"3065\" data-end=\"3090\">Personnalisation OEM\/ODM<\/strong> pour la marque, les niveaux de tension (AC\/DC), la capacit\u00e9 de d\u00e9charge et la conception du bo\u00eetier.<\/p>\n<hr data-start=\"3170\" data-end=\"3173\" \/>\n<h3 data-start=\"3175\" data-end=\"3209\"><span class=\"ez-toc-section\" id=\"technical-parameters-explained\"><\/span>Explication des param\u00e8tres techniques<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"_tableContainer_80l1q_1\">\n<div class=\"_tableWrapper_80l1q_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3211\" data-end=\"3624\">\n<thead data-start=\"3211\" data-end=\"3258\">\n<tr data-start=\"3211\" data-end=\"3258\">\n<th data-start=\"3211\" data-end=\"3223\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th data-start=\"3223\" data-end=\"3237\" data-col-size=\"sm\">Description<\/th>\n<th data-start=\"3237\" data-end=\"3258\" data-col-size=\"sm\">LEEYEE Capacit\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3309\" data-end=\"3624\">\n<tr data-start=\"3309\" data-end=\"3368\">\n<td data-start=\"3309\" data-end=\"3316\" data-col-size=\"sm\">Imax<\/td>\n<td data-start=\"3316\" data-end=\"3350\" data-col-size=\"sm\">Courant de d\u00e9charge maximal<\/td>\n<td data-start=\"3350\" data-end=\"3368\" data-col-size=\"sm\">Jusqu'\u00e0 <strong data-start=\"3358\" data-end=\"3366\">80kA<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3369\" data-end=\"3420\">\n<td data-start=\"3369\" data-end=\"3374\" data-col-size=\"sm\">En<\/td>\n<td data-start=\"3374\" data-end=\"3402\" data-col-size=\"sm\">Courant de d\u00e9charge nominal<\/td>\n<td data-start=\"3402\" data-end=\"3420\" data-col-size=\"sm\">Jusqu'\u00e0 <strong data-start=\"3410\" data-end=\"3418\">40kA<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3421\" data-end=\"3467\">\n<td data-start=\"3421\" data-end=\"3426\" data-col-size=\"sm\">Haut de la page<\/td>\n<td data-start=\"3426\" data-end=\"3453\" data-col-size=\"sm\">Niveau de protection de la tension<\/td>\n<td data-start=\"3453\" data-end=\"3467\" data-col-size=\"sm\"><strong data-start=\"3455\" data-end=\"3465\">&lt;1,5kV<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3468\" data-end=\"3524\">\n<td data-start=\"3468\" data-end=\"3484\" data-col-size=\"sm\">Temps de r\u00e9ponse<\/td>\n<td data-start=\"3484\" data-end=\"3511\" data-col-size=\"sm\">Vitesse de r\u00e9action aux surtensions<\/td>\n<td data-start=\"3511\" data-end=\"3524\" data-col-size=\"sm\"><strong data-start=\"3513\" data-end=\"3522\">&lt;25ns<\/strong><\/td>\n<\/tr>\n<tr data-start=\"3525\" data-end=\"3624\">\n<td data-start=\"3525\" data-end=\"3547\" data-col-size=\"sm\">Conformit\u00e9 aux normes<\/td>\n<td data-start=\"3547\" data-end=\"3571\" data-col-size=\"sm\">Certification des produits<\/td>\n<td data-start=\"3571\" data-end=\"3624\" data-col-size=\"sm\"><strong data-start=\"3573\" data-end=\"3589\">IEC 61643-11<\/strong>, <strong data-start=\"3591\" data-end=\"3605\">GB 18802.1<\/strong>, <strong data-start=\"3607\" data-end=\"3622\">EN 61643-11<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"sticky end-(--thread-content-margin) h-0 self-end select-none\">\n<div class=\"absolute end-0 flex items-end\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"3626\" data-end=\"3779\">Ces param\u00e8tres garantissent la compatibilit\u00e9 avec <strong data-start=\"3668\" data-end=\"3703\">Projets conformes \u00e0 la CEI dans le monde entier<\/strong>notamment dans des secteurs tels que l'\u00e9nergie, le photovolta\u00efque, les t\u00e9l\u00e9communications et l'automatisation industrielle.<\/p>\n<hr data-start=\"3781\" data-end=\"3784\" \/>\n<h2 data-start=\"3786\" data-end=\"3807\"><span class=\"ez-toc-section\" id=\"application-areas\"><\/span>Domaines d'application<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"3809\" data-end=\"3836\">Les SPD LEEYEE sont fiables dans :<\/p>\n<ul data-start=\"3837\" data-end=\"4131\">\n<li data-start=\"3837\" data-end=\"3882\">\n<p data-start=\"3839\" data-end=\"3882\"><strong data-start=\"3839\" data-end=\"3860\">Sous-stations \u00e9lectriques<\/strong> pour la fiabilit\u00e9 du r\u00e9seau.<\/p>\n<\/li>\n<li data-start=\"3883\" data-end=\"3936\">\n<p data-start=\"3885\" data-end=\"3936\"><strong data-start=\"3885\" data-end=\"3910\">Automatisation industrielle<\/strong> pour prot\u00e9ger les automates et les variateurs de vitesse.<\/p>\n<\/li>\n<li data-start=\"3937\" data-end=\"4003\">\n<p data-start=\"3939\" data-end=\"4003\"><strong data-start=\"3939\" data-end=\"3953\">Syst\u00e8mes photovolta\u00efques<\/strong>, y compris <strong data-start=\"3965\" data-end=\"4002\">Protection contre les surtensions DC jusqu'\u00e0 1500Vdc<\/strong>.<\/p>\n<\/li>\n<li data-start=\"4004\" data-end=\"4081\">\n<p data-start=\"4006\" data-end=\"4081\"><strong data-start=\"4006\" data-end=\"4042\">Complexes commerciaux\/r\u00e9sidentiels<\/strong>La dur\u00e9e de vie des appareils s'en trouve ainsi prolong\u00e9e.<\/p>\n<\/li>\n<li data-start=\"4082\" data-end=\"4131\">\n<p data-start=\"4084\" data-end=\"4131\"><strong data-start=\"4084\" data-end=\"4100\">Centres de donn\u00e9es<\/strong>minimisant ainsi les risques d'interruption des services informatiques.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4133\" data-end=\"4300\">Nos produits ont \u00e9t\u00e9 v\u00e9rifi\u00e9s par <strong data-start=\"4168\" data-end=\"4186\">Assurance PICC<\/strong> et les agences d'inspection internationales, en veillant au respect des <strong data-start=\"4251\" data-end=\"4299\">protection contre les surtensions \u00e0 haute performance - crit\u00e8res de r\u00e9f\u00e9rence<\/strong>.<\/p>\n<hr data-start=\"4302\" data-end=\"4305\" \/>\n<h2 data-start=\"4307\" data-end=\"4366\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions-faqs-about-what-is-a-surge\"><\/span>Foire aux questions (FAQ) sur ce qu'est une surtension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4368\" data-end=\"4535\"><strong data-start=\"4368\" data-end=\"4406\">1. Qu'est-ce qu'une surtension ?<\/strong><br data-start=\"4406\" data-end=\"4409\" \/>Une surtension est une augmentation br\u00e8ve et brutale de la tension qui d\u00e9passe la plage de fonctionnement standard et qui peut endommager les syst\u00e8mes \u00e9lectriques.<\/p>\n<p data-start=\"4537\" data-end=\"4683\"><strong data-start=\"4537\" data-end=\"4570\">2. Qu'est-ce qui provoque une surtension ?<\/strong><br data-start=\"4570\" data-end=\"4573\" \/>Les causes les plus courantes sont la foudre, la commutation du r\u00e9seau \u00e9lectrique, la commutation de charges inductives et un c\u00e2blage interne d\u00e9fectueux.<\/p>\n<p data-start=\"4685\" data-end=\"4861\"><strong data-start=\"4685\" data-end=\"4723\">3. Comment puis-je pr\u00e9venir les dommages caus\u00e9s par les surtensions ?<\/strong><br data-start=\"4723\" data-end=\"4726\" \/>Installer un syst\u00e8me certifi\u00e9 <strong data-start=\"4744\" data-end=\"4779\">Dispositifs de protection contre les surtensions (SPD)<\/strong> aux points de distribution principaux, aux panneaux secondaires et aux terminaux des \u00e9quipements sensibles.<\/p>\n<p data-start=\"4863\" data-end=\"5026\"><strong data-start=\"4863\" data-end=\"4902\">4. Les surtensions peuvent-elles affecter les syst\u00e8mes solaires ?<\/strong><br data-start=\"4902\" data-end=\"4905\" \/>Oui, les c\u00f4t\u00e9s AC et DC des syst\u00e8mes photovolta\u00efques (PV) sont vuln\u00e9rables aux surtensions. LEEYEE fournit des services sp\u00e9cialis\u00e9s de <strong data-start=\"5014\" data-end=\"5025\">PV SPDs<\/strong>.<\/p>\n<p data-start=\"5028\" data-end=\"5201\"><strong data-start=\"5028\" data-end=\"5087\">5. Quelles sont les normes \u00e0 respecter pour la protection contre les surtensions ?<\/strong><br data-start=\"5087\" data-end=\"5090\" \/>Suivre <strong data-start=\"5097\" data-end=\"5113\">IEC 61643-11<\/strong> ou <strong data-start=\"5117\" data-end=\"5131\">GB 18802.1<\/strong> pour une compatibilit\u00e9 globale et une protection de qualit\u00e9 professionnelle.<\/p>\n<p data-start=\"5203\" data-end=\"5356\"><strong data-start=\"5203\" data-end=\"5243\">6. \u00c0 quelle fr\u00e9quence les DOCUP doivent-ils \u00eatre v\u00e9rifi\u00e9s ?<\/strong><br data-start=\"5243\" data-end=\"5246\" \/>Il est recommand\u00e9 de proc\u00e9der \u00e0 des inspections visuelles r\u00e9guli\u00e8res et \u00e0 des tests \u00e9lectriques annuels, en particulier apr\u00e8s des \u00e9v\u00e9nements de surtension importants.<\/p>\n<hr data-start=\"5358\" data-end=\"5361\" \/>\n<h3 data-start=\"5363\" data-end=\"5377\"><span class=\"ez-toc-section\" id=\"disclaimer\"><\/span>Clause de non-responsabilit\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5378\" data-end=\"5605\" data-is-last-node=\"\" data-is-only-node=\"\">Cet article est destin\u00e9 \u00e0 des fins d'information uniquement et ne remplace pas les conseils techniques d'un professionnel. Pour des solutions personnalis\u00e9es de protection contre les surtensions, consultez un ing\u00e9nieur \u00e9lectricien certifi\u00e9 ou contactez l'\u00e9quipe technique de LEEYEE.<\/p>","protected":false},"excerpt":{"rendered":"<p>Les surtensions incontr\u00f4l\u00e9es peuvent d\u00e9truire des \u00e9quipements critiques, entra\u00eenant des temps d'arr\u00eat co\u00fbteux. LEEYEE, l'un des principaux fabricants de dispositifs de protection contre les surtensions, propose des dispositifs de protection contre les surtensions de haute performance avec des param\u00e8tres Imax et Up de pointe pour les industries du monde entier. Une surtension est un \u00e9v\u00e9nement transitoire o\u00f9 la tension \u00e9lectrique d\u00e9passe soudainement les niveaux standard, ce qui constitue une menace s\u00e9rieuse pour les syst\u00e8mes \u00e9lectriques. Les dispositifs de protection contre les surtensions (SPD)...<\/p>","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,422,491],"tags":[],"class_list":["post-27737","post","type-post","status-publish","format-standard","hentry","category-news","category-industry-news","category-voltage-protection"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is a Surge? | LEEYEE Electrics<\/title>\n<meta name=\"description\" content=\"Discover What is a Surge? and further information about electrical protection. 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