{"id":27592,"date":"2025-07-01T16:02:50","date_gmt":"2025-07-01T08:02:50","guid":{"rendered":"https:\/\/www.cnspd.com\/?p=27592"},"modified":"2025-07-04T09:12:29","modified_gmt":"2025-07-04T01:12:29","slug":"how-does-a-surge-protector-work","status":"publish","type":"post","link":"https:\/\/www.cnspd.com\/fr\/comment-fonctionne-un-parasurtenseur\/","title":{"rendered":"La protection contre les surtensions expliqu\u00e9e : Comment fonctionne un parasurtenseur ?"},"content":{"rendered":"<p data-start=\"352\" data-end=\"1002\">Lorsqu'une pointe de tension inattendue frappe votre \u00e9quipement, elle peut endommager instantan\u00e9ment les syst\u00e8mes de contr\u00f4le, les onduleurs ou l'appareillage de commutation, entra\u00eenant des temps d'arr\u00eat co\u00fbteux. <strong data-start=\"501\" data-end=\"536\">Comment fonctionne un parasurtenseur ?<\/strong> pour pr\u00e9venir de telles d\u00e9faillances ? La r\u00e9ponse se trouve dans les dispositifs de protection \u00e0 r\u00e9ponse rapide. <strong data-start=\"616\" data-end=\"626\">LEEYEE<\/strong>LEEYEEEE, fabricant certifi\u00e9 de dispositifs de protection contre les surtensions, fournit des SPD \u00e0 haute vitesse pour les panneaux des sous-stations, les onduleurs solaires et les tableaux de distribution industriels. Avec des temps de r\u00e9ponse inf\u00e9rieurs \u00e0 25 ns et des capacit\u00e9s de d\u00e9charge allant jusqu'\u00e0 100 kA, les dispositifs LEEYEE, certifi\u00e9s CE\/CB\/ISO9001\/TUV, offrent des performances \u00e0 la pointe de l'industrie.<br data-start=\"921\" data-end=\"924\" \/><strong data-start=\"924\" data-end=\"1002\">Poursuivez votre lecture pour d\u00e9couvrir l'ing\u00e9nierie d\u00e9taill\u00e9e qui sous-tend la protection contre les surtensions.<\/strong><\/p>\n<p data-start=\"1009\" data-end=\"1220\"><strong data-start=\"1009\" data-end=\"1220\">Un parasurtenseur d\u00e9tecte les surtensions et renvoie instantan\u00e9ment l'\u00e9nergie exc\u00e9dentaire \u00e0 la terre, ramenant la tension \u00e0 des limites s\u00fbres et prot\u00e9geant l'\u00e9quipement connect\u00e9 d'un courant transitoire explosif.<\/strong><\/p>\n<p data-start=\"1227\" data-end=\"1353\">Vous ne savez toujours pas comment les composants tels que les MOV, les GDT et les SPD s'int\u00e8grent dans les syst\u00e8mes r\u00e9els ? Explorons les m\u00e9canismes techniques r\u00e9els.<\/p>\n<p data-start=\"1227\" data-end=\"1353\"><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=\"Comment fonctionne un protecteur contre les surtensions ?\" 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<hr data-start=\"1355\" data-end=\"1358\" \/>\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\/comment-fonctionne-un-parasurtenseur\/#how-does-a-surge-protector-work-technical-breakdown\" >Comment fonctionne un parasurtenseur ? D\u00e9tails techniques<\/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-fonctionne-un-parasurtenseur\/#leeyee-product-specifications\" >Sp\u00e9cifications des produits LEEYEE<\/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-fonctionne-un-parasurtenseur\/#application-scenarios-and-installation-guidelines\" >Sc\u00e9narios d'application et lignes directrices pour l'installation<\/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-fonctionne-un-parasurtenseur\/#maintenance-performance-testing\" >Maintenance et tests de performance<\/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-fonctionne-un-parasurtenseur\/#faqs-%e2%80%93-how-does-a-surge-protector-work\" >FAQ - Comment fonctionne un parasurtenseur ?<\/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\/comment-fonctionne-un-parasurtenseur\/#%e2%9a%a0%ef%b8%8f-professional-disclaimer\" >\u26a0\ufe0f Avis de non-responsabilit\u00e9 professionnelle<\/a><\/li><\/ul><\/nav><\/div>\n<h2 data-start=\"1360\" data-end=\"1416\"><span class=\"ez-toc-section\" id=\"how-does-a-surge-protector-work-technical-breakdown\"><\/span>Comment fonctionne un parasurtenseur ? D\u00e9tails techniques<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"1418\" data-end=\"1616\">Un parasurtenseur, \u00e9galement appel\u00e9 dispositif de protection contre les surtensions (SPD), est con\u00e7u pour limiter les surtensions transitoires en passant d'une imp\u00e9dance \u00e9lev\u00e9e \u00e0 une imp\u00e9dance faible lorsque les seuils de tension sont d\u00e9pass\u00e9s.<\/p>\n<p data-start=\"1618\" data-end=\"1633\">Composants cl\u00e9s :<\/p>\n<ol data-start=\"1635\" data-end=\"2110\">\n<li data-start=\"1635\" data-end=\"1766\">\n<p data-start=\"1638\" data-end=\"1766\"><strong data-start=\"1638\" data-end=\"1668\">Varistance \u00e0 oxyde m\u00e9tallique (MOV)<\/strong>R\u00e9sistance : r\u00e9sistance non lin\u00e9aire qui bloque la tension ; tension de protection typique de 350-600 V pour les syst\u00e8mes de 275 V.<\/p>\n<\/li>\n<li data-start=\"1767\" data-end=\"1858\">\n<p data-start=\"1770\" data-end=\"1858\"><strong data-start=\"1770\" data-end=\"1798\">Tube d'\u00e9vacuation des gaz (GDT)<\/strong>: s'active \u00e0 une tension plus \u00e9lev\u00e9e, court-circuitant les \u00e9v\u00e9nements \u00e0 forte \u00e9nergie.<\/p>\n<\/li>\n<li data-start=\"1859\" data-end=\"1947\">\n<p data-start=\"1862\" data-end=\"1947\"><strong data-start=\"1862\" data-end=\"1907\">Diode de suppression des tensions transitoires (TVS)<\/strong>: r\u00e9ponse \u00e0 haute vitesse pour les microcircuits.<\/p>\n<\/li>\n<li data-start=\"1948\" data-end=\"2038\">\n<p data-start=\"1951\" data-end=\"2038\"><strong data-start=\"1951\" data-end=\"1988\">S\u00e9rie Fusible ou d\u00e9connexion thermique<\/strong>Le syst\u00e8me d'isolation des MOV : il isole les MOV d\u00e9faillants afin d'\u00e9viter l'emballement thermique.<\/p>\n<\/li>\n<li data-start=\"2039\" data-end=\"2110\">\n<p data-start=\"2042\" data-end=\"2110\"><strong data-start=\"2042\" data-end=\"2062\">Indicateur d'\u00e9tat<\/strong>: signal visuel ou contact \u00e0 distance pour la maintenance.<\/p>\n<\/li>\n<\/ol>\n<p data-start=\"2112\" data-end=\"2134\">La s\u00e9quence de r\u00e9ponse :<\/p>\n<ul data-start=\"2135\" data-end=\"2310\">\n<li data-start=\"2135\" data-end=\"2206\">\n<p data-start=\"2137\" data-end=\"2206\">La tension augmente \u2192 le MOV entre en conduction \u2192 la tension est bloqu\u00e9e pr\u00e8s de sa Vc.<\/p>\n<\/li>\n<li data-start=\"2207\" data-end=\"2270\">\n<p data-start=\"2209\" data-end=\"2270\">En cas de surtension \u00e0 haute \u00e9nergie, le GDT se d\u00e9clenche \u2192 \u00e9nergie \u00e9vacu\u00e9e vers la terre.<\/p>\n<\/li>\n<li data-start=\"2271\" data-end=\"2310\">\n<p data-start=\"2273\" data-end=\"2310\">Le MOV se refroidit et revient \u00e0 une imp\u00e9dance \u00e9lev\u00e9e.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"2312\" data-end=\"2432\">Selon la norme CEI 61643-11, les SPD doivent r\u00e9agir dans un d\u00e9lai de \u226425 ns et supporter des intensit\u00e9s (8\/20 \u00b5s) comprises entre 20 et 40 kA, avec des pointes d'Imax allant jusqu'\u00e0 100 kA.<\/p>\n<hr data-start=\"2434\" data-end=\"2437\" \/>\n<h2 data-start=\"2439\" data-end=\"2472\"><span class=\"ez-toc-section\" id=\"leeyee-product-specifications\"><\/span>Sp\u00e9cifications des produits LEEYEE<span class=\"ez-toc-section-end\"><\/span><\/h2>\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=\"2474\" data-end=\"3244\">\n<thead data-start=\"2474\" data-end=\"2551\">\n<tr data-start=\"2474\" data-end=\"2551\">\n<th data-start=\"2474\" data-end=\"2506\" data-col-size=\"sm\">Param\u00e8tres<\/th>\n<th data-start=\"2506\" data-end=\"2551\" data-col-size=\"sm\">Valeur<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2629\" data-end=\"3244\">\n<tr data-start=\"2629\" data-end=\"2705\">\n<td data-start=\"2629\" data-end=\"2660\" data-col-size=\"sm\">Tension nominale (Uc)<\/td>\n<td data-start=\"2660\" data-end=\"2705\" data-col-size=\"sm\">275 V AC, 600-1500 V DC<\/td>\n<\/tr>\n<tr data-start=\"2706\" data-end=\"2784\">\n<td data-start=\"2706\" data-end=\"2739\" data-col-size=\"sm\">Courant de d\u00e9charge nominal (In)<\/td>\n<td data-start=\"2739\" data-end=\"2784\" data-col-size=\"sm\">20-40 kA (8\/20 \u03bcs)<\/td>\n<\/tr>\n<tr data-start=\"2785\" data-end=\"2859\">\n<td data-start=\"2785\" data-end=\"2820\" data-col-size=\"sm\">Courant de d\u00e9charge maximal (Imax)<\/td>\n<td data-col-size=\"sm\" data-start=\"2820\" data-end=\"2859\">100 kA (8\/20 \u03bcs)<\/td>\n<\/tr>\n<tr data-start=\"2860\" data-end=\"2936\">\n<td data-start=\"2860\" data-end=\"2891\" data-col-size=\"sm\">Temps de r\u00e9ponse<\/td>\n<td data-col-size=\"sm\" data-start=\"2891\" data-end=\"2936\">&lt; 25 ns<\/td>\n<\/tr>\n<tr data-start=\"2937\" data-end=\"3013\">\n<td data-start=\"2937\" data-end=\"2969\" data-col-size=\"sm\">Niveau de protection de la tension (vers le haut)<\/td>\n<td data-start=\"2969\" data-end=\"3013\" data-col-size=\"sm\">\u22641,5 kV<\/td>\n<\/tr>\n<tr data-start=\"3014\" data-end=\"3090\">\n<td data-start=\"3014\" data-end=\"3045\" data-col-size=\"sm\">Conformit\u00e9 aux normes<\/td>\n<td data-start=\"3045\" data-end=\"3090\" data-col-size=\"sm\">IEC 61643-11, EN 50539, GB18802<\/td>\n<\/tr>\n<tr data-start=\"3091\" data-end=\"3167\">\n<td data-start=\"3091\" data-end=\"3122\" data-col-size=\"sm\">D\u00e9connexion thermique<\/td>\n<td data-col-size=\"sm\" data-start=\"3122\" data-end=\"3167\">Inclus pour une d\u00e9faillance s\u00fbre du MOV<\/td>\n<\/tr>\n<tr data-start=\"3168\" data-end=\"3244\">\n<td data-start=\"3168\" data-end=\"3199\" data-col-size=\"sm\">Indication d'\u00e9tat<\/td>\n<td data-start=\"3199\" data-end=\"3244\" data-col-size=\"sm\">LED + contact sec<\/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=\"3246\" data-end=\"3342\">Ces caract\u00e9ristiques font des SPD LEEYEE des produits id\u00e9aux pour les panneaux solaires industriels, les centres de donn\u00e9es et les panneaux de contr\u00f4le des usines.<\/p>\n<hr data-start=\"3344\" data-end=\"3347\" \/>\n<h2 data-start=\"3349\" data-end=\"3402\"><span class=\"ez-toc-section\" id=\"application-scenarios-and-installation-guidelines\"><\/span>Sc\u00e9narios d'application et lignes directrices pour l'installation<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-start=\"3404\" data-end=\"3751\">\n<li data-start=\"3404\" data-end=\"3492\">\n<p data-start=\"3406\" data-end=\"3492\"><strong data-start=\"3406\" data-end=\"3435\">Panneaux de distribution d'\u00e9nergie<\/strong>: Utiliser des SPD de type 2 au niveau du MCC\/incomer avec une coordination par fusible.<\/p>\n<\/li>\n<li data-start=\"3493\" data-end=\"3592\">\n<p data-start=\"3495\" data-end=\"3592\"><strong data-start=\"3495\" data-end=\"3519\">Entr\u00e9e du convertisseur solaire<\/strong>: Choisissez un SPD de 1000 VDC avec Up \u22641.8 kV, GDT + MOV hybrides int\u00e9gr\u00e9s.<\/p>\n<\/li>\n<li data-start=\"3593\" data-end=\"3661\">\n<p data-start=\"3595\" data-end=\"3661\"><strong data-start=\"3595\" data-end=\"3621\">Protection des lignes de signaux<\/strong>: Utiliser des modules SPD \u00e0 base de TVS (\u2264150 V).<\/p>\n<\/li>\n<li data-start=\"3662\" data-end=\"3751\">\n<p data-start=\"3664\" data-end=\"3751\"><strong data-start=\"3664\" data-end=\"3691\">D\u00e9ploiements au niveau du panel<\/strong>: SPD par paire avec fusible 10 kA, gG pour la protection contre les courts-circuits.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3753\" data-end=\"3890\">Les zones de s\u00e9curit\u00e9 selon la norme IEC 60664 exigent une coordination entre les valeurs nominales de court-circuit et l'Icc du SPD afin de garantir le bon fonctionnement et la s\u00e9curit\u00e9 du dispositif.<\/p>\n<hr data-start=\"3892\" data-end=\"3895\" \/>\n<h2 data-start=\"3897\" data-end=\"3934\"><span class=\"ez-toc-section\" id=\"maintenance-performance-testing\"><\/span>Maintenance et tests de performance<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul data-start=\"3936\" data-end=\"4293\">\n<li data-start=\"3936\" data-end=\"4003\">\n<p data-start=\"3938\" data-end=\"4003\"><strong data-start=\"3938\" data-end=\"3959\">Inspection visuelle<\/strong>: V\u00e9rifier p\u00e9riodiquement l'\u00e9tat des DEL\/indicateurs.<\/p>\n<\/li>\n<li data-start=\"4004\" data-end=\"4113\">\n<p data-start=\"4006\" data-end=\"4113\"><strong data-start=\"4006\" data-end=\"4024\">Surveillance MOV<\/strong>: Utiliser des cam\u00e9ras infrarouges ou des appareils de mesure de la r\u00e9sistance ; remplacer si \u0394T &gt; 10 K ou si la r\u00e9sistance du MOV est \u00e9lev\u00e9e.<\/p>\n<\/li>\n<li data-start=\"4114\" data-end=\"4197\">\n<p data-start=\"4116\" data-end=\"4197\"><strong data-start=\"4116\" data-end=\"4138\">Cycles de fin de vie<\/strong>: Remplacer les appareils apr\u00e8s une exposition cumulative aux surtensions ou apr\u00e8s 5 ans.<\/p>\n<\/li>\n<li data-start=\"4198\" data-end=\"4293\">\n<p data-start=\"4200\" data-end=\"4293\"><strong data-start=\"4200\" data-end=\"4220\">Int\u00e9grit\u00e9 de la terre<\/strong>: Assurer une r\u00e9sistance de mise \u00e0 la terre &lt; 5 \u03a9 dans les syst\u00e8mes BT et \u22641 \u03a9 dans les syst\u00e8mes MT.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4295\" data-end=\"4370\">Les taux d'erreurs techniques tombent \u00e0 &lt;1% avec une installation et une maintenance correctes.<\/p>\n<hr data-start=\"4372\" data-end=\"4375\" \/>\n<h2 data-start=\"4377\" data-end=\"4419\"><span class=\"ez-toc-section\" id=\"faqs-%e2%80%93-how-does-a-surge-protector-work\"><\/span>FAQ - Comment fonctionne un parasurtenseur ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"4421\" data-end=\"4601\"><strong data-start=\"4421\" data-end=\"4488\">1. Comment un parasurtenseur fonctionne-t-il en cas de pointes de haute fr\u00e9quence ?<\/strong><br data-start=\"4488\" data-end=\"4491\" \/>Les diodes TVS bloquent les pointes au niveau de la microseconde ; les MOV g\u00e8rent les \u00e9v\u00e9nements transitoires plus importants, assurant ainsi une protection par couches.<\/p>\n<p data-start=\"4603\" data-end=\"4745\"><strong data-start=\"4603\" data-end=\"4643\">2. Les DOCUP peuvent-ils tomber en panne sans indication ?<\/strong><br data-start=\"4643\" data-end=\"4646\" \/>Oui. Les isolateurs thermiques d\u00e9connectent les MOV ; les alarmes ou indicateurs \u00e0 distance doivent \u00eatre contr\u00f4l\u00e9s p\u00e9riodiquement.<\/p>\n<p data-start=\"4747\" data-end=\"4951\"><strong data-start=\"4747\" data-end=\"4804\">3. Comment s\u00e9lectionner le temps de r\u00e9ponse et les sp\u00e9cifications de d\u00e9charge ?<\/strong><br data-start=\"4804\" data-end=\"4807\" \/>En fonction de la tension du syst\u00e8me, du risque de foudre (valeur Ng) et de la sensibilit\u00e9 de l'\u00e9quipement, suivre l'article 285 du NEC aux \u00c9tats-Unis et les principes de la CEI dans le monde entier.<\/p>\n<p data-start=\"4953\" data-end=\"5076\"><strong data-start=\"4953\" data-end=\"4985\">4. Pourquoi associer le SPD \u00e0 un fusible ?<\/strong><br data-start=\"4985\" data-end=\"4988\" \/>Le fusible isole le SPD en cas de d\u00e9faillance du MOV afin d'\u00e9viter les d\u00e9fauts secondaires et les risques d'incendie.<\/p>\n<p data-start=\"5078\" data-end=\"5224\"><strong data-start=\"5078\" data-end=\"5112\">5. O\u00f9 dois-je situer les DOCUP ?<\/strong><br data-start=\"5112\" data-end=\"5115\" \/>Au niveau du tableau de distribution, de l'entr\u00e9e de l'onduleur et de l'alimentation du panneau - \u00e9chelonn\u00e9 pour prot\u00e9ger \u00e0 la fois le syst\u00e8me et les dispositifs en aval.<\/p>\n<p data-start=\"5226\" data-end=\"5371\"><strong data-start=\"5226\" data-end=\"5267\">6. Les DOCUP LEEYEE sont-ils conformes aux normes locales ?<\/strong><br data-start=\"5267\" data-end=\"5270\" \/>Oui. Il existe des versions IEC pour les march\u00e9s de l'UE, UL1449 Type 1&amp;2 pour les \u00c9tats-Unis et des appareils homologu\u00e9s GB pour la Chine.<\/p>\n<p data-start=\"5373\" data-end=\"5511\"><strong data-start=\"5373\" data-end=\"5409\">7. \u00c0 quelle fr\u00e9quence dois-je tester les DOCUP ?<\/strong><br data-start=\"5409\" data-end=\"5412\" \/>Effectuer des inspections annuelles, avec imagerie thermique et tests de r\u00e9sistance dans des conditions de pleine charge.<\/p>\n<hr data-start=\"5513\" data-end=\"5516\" \/>\n<h2 data-start=\"5518\" data-end=\"5547\"><span class=\"ez-toc-section\" id=\"%e2%9a%a0%ef%b8%8f-professional-disclaimer\"><\/span>\u26a0\ufe0f Avis de non-responsabilit\u00e9 professionnelle<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5549\" data-end=\"5775\">Cet article s'adresse aux ing\u00e9nieurs en \u00e9lectricit\u00e9 et aux int\u00e9grateurs de syst\u00e8mes qualifi\u00e9s. La s\u00e9lection des disjoncteurs, le protocole de mise \u00e0 la terre et la coordination des risques de surtension doivent \u00eatre conformes au NEC, \u00e0 la CEI ou aux r\u00e9glementations locales et \u00eatre certifi\u00e9s par des professionnels de l'\u00e9lectricit\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>Lorsqu'une pointe de tension inattendue frappe votre \u00e9quipement, elle peut endommager instantan\u00e9ment les syst\u00e8mes de contr\u00f4le, les onduleurs ou l'appareillage de commutation, entra\u00eenant des temps d'arr\u00eat co\u00fbteux. Comment un parasurtenseur peut-il pr\u00e9venir de telles d\u00e9faillances ? La r\u00e9ponse se trouve dans les dispositifs de protection \u00e0 r\u00e9ponse rapide. LEEYEE, un fabricant certifi\u00e9 de protection contre les surtensions, fournit des SPD \u00e0 haute vitesse pour les panneaux des sous-stations, les onduleurs solaires et les tableaux de distribution industriels. Avec une r\u00e9ponse...<\/p>","protected":false},"author":18,"featured_media":27315,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,422],"tags":[],"class_list":["post-27592","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","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>How Does a Surge Protector Work?<\/title>\n<meta name=\"description\" content=\"How does a surge protector work? 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