{"id":27550,"date":"2025-06-24T16:31:54","date_gmt":"2025-06-24T08:31:54","guid":{"rendered":"https:\/\/cnspd.com\/?p=27550"},"modified":"2026-04-11T13:10:09","modified_gmt":"2026-04-11T05:10:09","slug":"power-surge-meaning","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/fr\/signification-de-la-surtension\/","title":{"rendered":"Protection contre les surtensions par LEEYEE"},"content":{"rendered":"<p data-start=\"348\" data-end=\"991\">Une surtension non surveill\u00e9e peut d\u00e9truire un syst\u00e8me de contr\u00f4le ou mettre hors service un champ solaire. Mais quelle est la <strong data-start=\"449\" data-end=\"472\">signification de la surtension<\/strong> en termes techniques ? Une surtension n'est pas un simple saut de tension - elle peut d\u00e9passer les valeurs nominales d'isolation, griller les onduleurs et interrompre les op\u00e9rations. La solution commence par la compr\u00e9hension du comportement des surtensions et l'utilisation de dispositifs de protection.<br data-start=\"692\" data-end=\"695\" \/><strong data-start=\"695\" data-end=\"705\">LEEYEE<\/strong>LEEYEEEE, fabricant certifi\u00e9 de SPD, fournit des solutions pour les syst\u00e8mes solaires, de r\u00e9seau et d'automatisation. Avec une capacit\u00e9 allant jusqu'\u00e0 100kA et un temps de r\u00e9action &lt;25ns, les SPD LEEYEE sont conformes aux normes CE, CB, ISO9001 et TUV.<\/p>\n<p><a href=\"https:\/\/www.cnspd.com\/fr\/download-category\/all\/\" target=\"_blank\" rel=\"noopener\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-26994 size-full\" src=\"https:\/\/cnspd.com\/wp-content\/uploads\/2024\/12\/BookCover-3.jpg\" alt=\"signification de la surtension\" 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\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p data-start=\"348\" data-end=\"991\"><strong data-start=\"903\" data-end=\"991\">D\u00e9couvrez ci-dessous la signification d'une surtension et la mani\u00e8re d'en att\u00e9nuer les risques.<\/strong><\/p>\n<hr data-start=\"1423\" data-end=\"1426\" \/>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_83 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\/signification-de-la-surtension\/#power-surge-meaning-%e2%80%93-definition-causes-and-classification\" >Signification de la surtension - D\u00e9finition, causes et classification<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/signification-de-la-surtension\/#key-surge-types-per-iec-61643-11-and-ieee-c62412\" >Principaux types de surtensions (selon IEC 61643-11 et IEEE C62.41.2) :<\/a><\/li><\/ul><\/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\/signification-de-la-surtension\/#power-surge-effects-%e2%80%93-how-voltage-spikes-damage-systems\" >Effets des surtensions - Comment les pointes de tension endommagent les syst\u00e8mes<\/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\/signification-de-la-surtension\/#power-surge-protection-%e2%80%93-how-spds-work-to-limit-damage\" >Protection contre les surtensions - Comment les parafoudres limitent-ils les d\u00e9g\u00e2ts ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/signification-de-la-surtension\/#leeyee-spd-parameters\" >LEEYEE SPD Param\u00e8tres :<\/a><\/li><\/ul><\/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\/signification-de-la-surtension\/#installing-surge-protection-%e2%80%93-best-practices-for-power-surge-zones\" >Installation d'une protection contre les surtensions - Meilleures pratiques pour les zones de 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\/signification-de-la-surtension\/#power-systems-tn-tt-it\" >Syst\u00e8mes d'alimentation (TN, TT, IT) :<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"#\" data-href=\"https:\/\/www.cnspd.com\/fr\/signification-de-la-surtension\/#solar-pv-systems\" >Syst\u00e8mes solaires photovolta\u00efques :<\/a><\/li><\/ul><\/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\/signification-de-la-surtension\/#faqs-%e2%80%93-power-surge-meaning\" >FAQs - Signification de la surtension<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1428\" data-end=\"1477\"><span class=\"ez-toc-section\" id=\"power-surge-meaning-%e2%80%93-definition-causes-and-classification\"><\/span>Signification de la surtension - D\u00e9finition, causes et classification<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1479\" data-end=\"1787\">A <strong data-start=\"1481\" data-end=\"1496\">surtension<\/strong>, \u00e9galement connu sous le nom de <strong data-start=\"1514\" data-end=\"1539\">surtension transitoire<\/strong>Une surtension est une pointe de tension \u00e9lectrique qui dure de quelques microsecondes (\u03bcs) \u00e0 quelques millisecondes, mais qui d\u00e9passe la tension de fonctionnement standard d'un syst\u00e8me. Alors que la plupart des syst\u00e8mes sont con\u00e7us pour une fluctuation de \u00b110%, une surtension peut d\u00e9livrer plusieurs kilovolts sur 1-10\u03bcs.<\/p>\n<h3 data-start=\"1789\" data-end=\"1846\"><span class=\"ez-toc-section\" id=\"key-surge-types-per-iec-61643-11-and-ieee-c62412\"><\/span>Principaux types de surtensions (par<a href=\"https:\/\/webstore.iec.ch\/en\/publication\/5682\" target=\"_blank\" rel=\"nofollow noopener\"> IEC 61643-11<\/a> et IEEE C62.41.2) :<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"1848\" data-end=\"2197\">\n<li data-start=\"1848\" data-end=\"1965\">\n<p data-start=\"1850\" data-end=\"1965\"><strong data-start=\"1850\" data-end=\"1868\">Surtensions d'impulsion<\/strong>: Typiquement caus\u00e9e par des coups de foudre (forme d'onde de 10\/350\u03bcs), d'une amplitude et d'une \u00e9nergie extr\u00eamement \u00e9lev\u00e9es.<\/p>\n<\/li>\n<li data-start=\"1966\" data-end=\"2084\">\n<p data-start=\"1968\" data-end=\"2084\"><strong data-start=\"1968\" data-end=\"1988\">Surtensions de commutation<\/strong>: R\u00e9sultat de batteries de condensateurs, de transformateurs ou de gros moteurs qui s'allument et s'\u00e9teignent (forme d'onde de 8\/20\u03bcs).<\/p>\n<\/li>\n<li data-start=\"2085\" data-end=\"2197\">\n<p data-start=\"2087\" data-end=\"2197\"><strong data-start=\"2087\" data-end=\"2119\">Surtensions temporaires (TOV)<\/strong>: Augmentation prolong\u00e9e de la tension, souvent due \u00e0 un d\u00e9s\u00e9quilibre du r\u00e9seau ou \u00e0 des d\u00e9fauts de neutre.<\/p>\n<\/li>\n<\/ul>\n<hr data-start=\"2199\" data-end=\"2202\" \/>\n<h2 data-start=\"2204\" data-end=\"2249\"><span class=\"ez-toc-section\" id=\"power-surge-effects-%e2%80%93-how-voltage-spikes-damage-systems\"><\/span>Effets des surtensions - Comment les pointes de tension endommagent les syst\u00e8mes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2251\" data-end=\"2351\">Lorsque la tension de r\u00e9sistance de l'isolation (BIL - niveau d'isolation de base) est d\u00e9pass\u00e9e, des dommages peuvent survenir :<\/p>\n<ul data-start=\"2353\" data-end=\"2520\">\n<li style=\"list-style-type: none;\">\n<ul data-start=\"2353\" data-end=\"2520\">\n<li data-start=\"2353\" data-end=\"2392\">\n<p data-start=\"2355\" data-end=\"2392\">Microcontr\u00f4leurs, unit\u00e9s SCADA, PLC<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul data-start=\"2353\" data-end=\"2520\">\n<li data-start=\"2393\" data-end=\"2435\">\n<p data-start=\"2395\" data-end=\"2435\">Onduleurs et r\u00e9gulateurs de charge solaires<\/p>\n<\/li>\n<li data-start=\"2436\" data-end=\"2483\">\n<p data-start=\"2438\" data-end=\"2483\">Ports de communication (RS-485, Ethernet, CAN)<\/p>\n<\/li>\n<li data-start=\"2484\" data-end=\"2520\">\n<p data-start=\"2486\" data-end=\"2520\">Disjoncteurs, relais et appareillage de commande<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2522\" data-end=\"2657\">M\u00eame si les dommages ne sont pas imm\u00e9diats, <strong data-start=\"2554\" data-end=\"2616\">les surtensions r\u00e9p\u00e9t\u00e9es d\u00e9gradent la dur\u00e9e de vie et la fiabilit\u00e9 des \u00e9quipements<\/strong>ce qui augmente les co\u00fbts d'exploitation et de maintenance et les risques d'immobilisation.<\/p>\n<blockquote data-start=\"2659\" data-end=\"2772\"><p>&nbsp;<\/p>\n<p data-start=\"2661\" data-end=\"2772\">Selon NEMA et IEEE, plus de 60% de toutes les pannes d'\u00e9quipements \u00e9lectriques sont li\u00e9es \u00e0 des surtensions transitoires.<\/p>\n<\/blockquote>\n<hr data-start=\"2774\" data-end=\"2777\" \/>\n<h2 data-start=\"2779\" data-end=\"2832\"><span class=\"ez-toc-section\" id=\"power-surge-protection-%e2%80%93-how-spds-work-to-limit-damage\"><\/span>Protection contre les surtensions - <a href=\"https:\/\/www.cnspd.com\/fr\/les-parasurtenseurs-limitent-ils-la-puissance\/\">Comment les DOCUP limitent-ils les d\u00e9g\u00e2ts ?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2834\" data-end=\"3099\">A <strong data-start=\"2836\" data-end=\"2869\">Dispositif de protection contre les surtensions (SPD)<\/strong> d\u00e9tecte une tension sup\u00e9rieure au seuil et d\u00e9vie en toute s\u00e9curit\u00e9 l'exc\u00e9dent vers la terre via des MOV (varistances \u00e0 oxyde m\u00e9tallique), des GDT (tubes \u00e0 d\u00e9charge gazeuse) ou des diodes TVS. Le bon SPD doit r\u00e9pondre \u00e0 la fois \u00e0 l'environnement de surtension et \u00e0 la tension de fonctionnement du syst\u00e8me.<\/p>\n<p>&nbsp;<\/p>\n<h3 data-start=\"3101\" data-end=\"3127\"><span class=\"ez-toc-section\" id=\"leeyee-spd-parameters\"><\/span>LEEYEE SPD Param\u00e8tres :<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"_tableContainer_16hzy_1\">\n<div class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"3129\" data-end=\"3730\">\n<thead data-start=\"3129\" data-end=\"3204\">\n<tr data-start=\"3129\" data-end=\"3204\">\n<th data-start=\"3129\" data-end=\"3166\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th data-start=\"3166\" data-end=\"3204\" data-col-size=\"sm\">Valeur<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3280\" data-end=\"3730\">\n<tr data-start=\"3280\" data-end=\"3354\">\n<td data-start=\"3280\" data-end=\"3316\" data-col-size=\"sm\">Courant de d\u00e9charge maximal (Imax)<\/td>\n<td data-col-size=\"sm\" data-start=\"3316\" data-end=\"3354\">Jusqu'\u00e0 100 kA (8\/20\u03bcs)<\/td>\n<\/tr>\n<tr data-start=\"3355\" data-end=\"3429\">\n<td data-start=\"3355\" data-end=\"3391\" data-col-size=\"sm\">Tension nominale (Uc)<\/td>\n<td data-col-size=\"sm\" data-start=\"3391\" data-end=\"3429\">275V AC \/ 600V-1500V DC<\/td>\n<\/tr>\n<tr data-start=\"3430\" data-end=\"3504\">\n<td data-start=\"3430\" data-end=\"3466\" data-col-size=\"sm\">Niveau de protection de la tension (vers le haut)<\/td>\n<td data-col-size=\"sm\" data-start=\"3466\" data-end=\"3504\">&lt;1,8kV (classe II), &lt;2,5kV (classe I)<\/td>\n<\/tr>\n<tr data-start=\"3505\" data-end=\"3579\">\n<td data-start=\"3505\" data-end=\"3541\" data-col-size=\"sm\">Temps de r\u00e9ponse<\/td>\n<td data-col-size=\"sm\" data-start=\"3541\" data-end=\"3579\">&lt;25 nanosecondes<\/td>\n<\/tr>\n<tr data-start=\"3580\" data-end=\"3655\">\n<td data-start=\"3580\" data-end=\"3616\" data-col-size=\"sm\">Normes<\/td>\n<td data-col-size=\"sm\" data-start=\"3616\" data-end=\"3655\">IEC 61643-11, EN 50539, GB18802<\/td>\n<\/tr>\n<tr data-start=\"3656\" data-end=\"3730\">\n<td data-start=\"3656\" data-end=\"3692\" data-col-size=\"sm\">Certifications<\/td>\n<td data-col-size=\"sm\" data-start=\"3692\" data-end=\"3730\">CE, CB, ISO9001, TUV<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3732\" data-end=\"3735\" \/>\n<h2 data-start=\"3737\" data-end=\"3785\"><span class=\"ez-toc-section\" id=\"installing-surge-protection-%e2%80%93-best-practices-for-power-surge-zones\"><\/span>Installation d'une protection contre les surtensions - Meilleures pratiques pour les zones de surtension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-start=\"3787\" data-end=\"3818\"><span class=\"ez-toc-section\" id=\"power-systems-tn-tt-it\"><\/span><a href=\"https:\/\/www.cnspd.com\/fr\/shop\/surge-protective-device\/\">Syst\u00e8mes d'alimentation (TN, TT, IT)<\/a>:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"3820\" data-end=\"4003\">\n<li data-start=\"3820\" data-end=\"3885\">\n<p data-start=\"3822\" data-end=\"3885\"><strong data-start=\"3822\" data-end=\"3836\">DOCUP de type 1<\/strong>: Entr\u00e9e de service (environnements expos\u00e9s \u00e0 la foudre)<\/p>\n<\/li>\n<li data-start=\"3886\" data-end=\"3951\">\n<p data-start=\"3888\" data-end=\"3951\"><strong data-start=\"3888\" data-end=\"3902\">DOCUP de type 2<\/strong>: Tableaux de distribution principaux (protection par commutation)<\/p>\n<\/li>\n<li data-start=\"3952\" data-end=\"4003\">\n<p data-start=\"3954\" data-end=\"4003\"><strong data-start=\"3954\" data-end=\"3968\">DOCUP de type 3<\/strong>: Circuit final (dispositifs sensibles)<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4005\" data-end=\"4026\"><span class=\"ez-toc-section\" id=\"solar-pv-systems\"><\/span><a href=\"https:\/\/www.cnspd.com\/fr\/shop\/dc-surge-protective-device\/\">Syst\u00e8mes photovolta\u00efques<\/a>:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"4028\" data-end=\"4170\">\n<li data-start=\"4028\" data-end=\"4090\">\n<p data-start=\"4030\" data-end=\"4090\"><strong data-start=\"4030\" data-end=\"4051\">1000V ou 1500V DC<\/strong>: SPD entre la bo\u00eete de raccordement et l'onduleur<\/p>\n<\/li>\n<li data-start=\"4091\" data-end=\"4170\">\n<p data-start=\"4093\" data-end=\"4170\">Utilisation de <strong data-start=\"4100\" data-end=\"4147\">hybride MOV-GDT non polaris\u00e9, r\u00e9sistant aux arcs \u00e9lectriques<\/strong> Il est recommand\u00e9 d'utiliser des modules<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4172\" data-end=\"4261\">LEEYEE fournit des solutions d'int\u00e9gration personnalis\u00e9es, y compris des combinaisons SPD + MCB + isolateur.<\/p>\n<hr data-start=\"4263\" data-end=\"4266\" \/>\n<h2 data-start=\"4268\" data-end=\"4297\"><span class=\"ez-toc-section\" id=\"faqs-%e2%80%93-power-surge-meaning\"><\/span>FAQs - Signification de la surtension<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4299\" data-end=\"4474\"><strong data-start=\"4299\" data-end=\"4343\">1. Que signifie une surtension ?<\/strong><br data-start=\"4343\" data-end=\"4346\" \/>Une surtension est une augmentation de courte dur\u00e9e de la tension au-dessus des niveaux de fonctionnement normaux, ce qui peut endommager les appareils \u00e9lectroniques et les circuits.<\/p>\n<p data-start=\"4476\" data-end=\"4615\"><strong data-start=\"4476\" data-end=\"4508\">2. Quelles sont les causes des surtensions ?<\/strong><br data-start=\"4508\" data-end=\"4511\" \/>Les causes les plus courantes sont la foudre, les transitoires de commutation, les d\u00e9fauts du r\u00e9seau et les charges inductives importantes.<\/p>\n<p data-start=\"4617\" data-end=\"4755\"><strong data-start=\"4617\" data-end=\"4655\">3. Quel est le danger d'une surtension ?<\/strong><br data-start=\"4655\" data-end=\"4658\" \/>Il peut d\u00e9truire instantan\u00e9ment les appareils \u00e9lectroniques, r\u00e9duire la r\u00e9sistance de l'isolation et provoquer des incendies ou des pannes de courant.<\/p>\n<p data-start=\"4757\" data-end=\"4901\"><strong data-start=\"4757\" data-end=\"4788\">4. Comment les SPD arr\u00eatent-ils les surtensions ?<\/strong><br data-start=\"4788\" data-end=\"4791\" \/>Les SPD coupent la tension en d\u00e9tournant le courant de surtension vers la terre par le biais de composants internes tels que les MOV et les GDT.<\/p>\n<p data-start=\"4903\" data-end=\"5064\"><strong data-start=\"4903\" data-end=\"4954\">5. Quelle est la diff\u00e9rence entre surge et TOV ?<\/strong><br data-start=\"4954\" data-end=\"4957\" \/>Une surtension dure des microsecondes ; un TOV est soutenu (de quelques millisecondes \u00e0 quelques secondes). Des protections diff\u00e9rentes sont n\u00e9cessaires.<\/p>\n<p data-start=\"5066\" data-end=\"5202\"><strong data-start=\"5066\" data-end=\"5094\">6. Comment dimensionner un DOCUP ?<\/strong><br data-start=\"5094\" data-end=\"5097\" \/>Bas\u00e9 sur la tension du syst\u00e8me (Uc), le courant de surtension pr\u00e9vu (In\/Imax) et le risque d'exposition (densit\u00e9 de foudre Ng).<\/p>\n<p data-start=\"5204\" data-end=\"5347\"><strong data-start=\"5204\" data-end=\"5253\">7. Les barrettes d'alimentation avec \u00e9tiquettes de surtension suffisent-elles ?<\/strong><br data-start=\"5253\" data-end=\"5256\" \/>Non. Les syst\u00e8mes industriels n\u00e9cessitent des SPD certifi\u00e9s, \u00e0 plusieurs \u00e9tages, conformes aux normes IEC\/EN.<\/p>\n<hr data-start=\"5349\" data-end=\"5352\" \/>\n<p data-start=\"885\" data-end=\"979\"><strong data-start=\"915\" data-end=\"979\">Clause de non-responsabilit\u00e9 professionnelle - Utilisation de SPD pour la protection contre les surtensions<\/strong><\/p>\n<p data-start=\"5370\" data-end=\"5587\">Ce contenu est fourni \u00e0 titre d'information et de r\u00e9f\u00e9rence technique uniquement. Consultez toujours un ing\u00e9nieur \u00e9lectricien agr\u00e9\u00e9 pour la s\u00e9lection des SPD, la classification des surtensions et la coordination du syst\u00e8me en conformit\u00e9 avec les codes locaux.<\/p>","protected":false},"excerpt":{"rendered":"<p>Une surtension non surveill\u00e9e peut d\u00e9truire un syst\u00e8me de contr\u00f4le ou mettre hors service un champ solaire. Mais qu'est-ce qu'une surtension en termes techniques ? Une surtension n'est pas un simple saut de tension - elle peut d\u00e9passer les valeurs nominales d'isolation, griller les onduleurs et interrompre les op\u00e9rations. La solution commence par la compr\u00e9hension du comportement des surtensions et l'utilisation de dispositifs de protection.<\/p>","protected":false},"author":18,"featured_media":27322,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,488,422],"tags":[],"class_list":["post-27550","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 v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Power Surge Meaning | Surge Protection by LEEYEE<\/title>\n<meta name=\"description\" content=\"What is the power surge meaning? 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