{"id":7363,"date":"2023-08-07T17:22:04","date_gmt":"2023-08-07T15:22:04","guid":{"rendered":"https:\/\/www.orteanext.com\/?p=7363"},"modified":"2025-09-10T16:03:00","modified_gmt":"2025-09-10T14:03:00","slug":"transformateur-disolation-a-quoi-sert-il-et-quand-le-choisir","status":"publish","type":"post","link":"https:\/\/www.orteanext.com\/fr\/transformateurs-et-reacteurs-bt\/transformateur-disolation-a-quoi-sert-il-et-quand-le-choisir\/","title":{"rendered":"Guide pour choisir le transformateur d\u2019isolement pour la s\u00e9curit\u00e9 de vos installations"},"content":{"rendered":"<p><span data-contrast=\"auto\">Le choix du <a href=\"https:\/\/www.orteanext.com\/fr\/produits\/transformateurs-disolation\/\"><strong>transformateur d\u2019isolement<\/strong><\/a> appropri\u00e9 est une d\u00e9cision cruciale pour assurer la s\u00e9curit\u00e9 des op\u00e9rateurs et prot\u00e9ger les \u00e9quipements \u00e9lectriques sensibles. Dans un march\u00e9 qui a d\u00e9pass\u00e9 63,8 milliards de dollars en 2024, avec une croissance annuelle pr\u00e9vue de 6,6 % jusqu\u2019en 2034, la demande de solutions d\u2019isolement galvanique est de plus en plus sp\u00e9cifique et techniquement avanc\u00e9e.<\/span><\/p>\n<p><span data-contrast=\"auto\">Ce guide technique offre aux responsables \u00e9lectriques, facility managers et concepteurs une approche structur\u00e9e pour identifier le transformateur d\u2019isolement le plus adapt\u00e9 aux besoins sp\u00e9cifiques des installations, avec une attention particuli\u00e8re aux crit\u00e8res de dimensionnement et \u00e0 la conformit\u00e9 r\u00e9glementaire.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Pourquoi l\u2019isolement galvanique est-il crucial pour la s\u00e9curit\u00e9 \u00e9lectrique ?<\/span><\/h2>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Le concept d\u2019isolement galvanique expliqu\u00e9<\/span><\/h3>\n<p><span data-contrast=\"auto\">L\u2019<strong>isolement galvanique<\/strong> repr\u00e9sente la s\u00e9paration physique compl\u00e8te entre l\u2019enroulement primaire et l\u2019enroulement secondaire d\u2019un transformateur, \u00e9liminant toute connexion \u00e9lectrique directe entre l\u2019entr\u00e9e et la sortie. Cette caract\u00e9ristique fondamentale distingue les transformateurs d\u2019isolement des autotransformateurs, o\u00f9 un lien \u00e9lectrique direct existe.<\/span><\/p>\n<p><span data-contrast=\"auto\">La s\u00e9paration galvanique est r\u00e9alis\u00e9e gr\u00e2ce \u00e0 des enroulements totalement ind\u00e9pendants, mont\u00e9s sur un noyau magn\u00e9tique commun mais \u00e9lectriquement isol\u00e9s entre eux au moyen de mat\u00e9riaux di\u00e9lectriques \u00e0 haute rigidit\u00e9. Ce design garantit que l\u2019\u00e9nergie est transf\u00e9r\u00e9e exclusivement par induction magn\u00e9tique, interrompant compl\u00e8tement les circuits de terre et les courants de fuite.<\/span><\/p>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Diff\u00e9rence entre transformateur et autotransformateur<\/span><\/h3>\n<p><span data-contrast=\"auto\">Cette distinction technique est essentielle pour comprendre quand opter pour l\u2019isolement galvanique :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"40\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Transformateur d\u2019isolement :<\/span><\/b><span data-contrast=\"auto\"> deux enroulements s\u00e9par\u00e9s, aucune connexion \u00e9lectrique, protection compl\u00e8te contre les courants de fuite<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"40\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Autotransformateur :<\/span><\/b><span data-contrast=\"auto\"> enroulement unique avec prise interm\u00e9diaire, connexion \u00e9lectrique directe, rendement plus \u00e9lev\u00e9 mais sans isolement galvanique<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Les perturbations les plus courantes sur la ligne \u00e9lectrique<\/span><\/h3>\n<p><span data-contrast=\"auto\">Les probl\u00e9matiques que l\u2019isolement galvanique permet de r\u00e9soudre incluent :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"41\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Boucles de terre<\/strong> : circuits de courant ind\u00e9sirables se refermant par le conducteur de protection<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"41\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Courants de fuite<\/strong> : flux de courant vers la terre pouvant compromettre le fonctionnement des \u00e9quipements sensibles<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"41\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Perturbations en mode commun<\/strong> : interf\u00e9rences \u00e9lectromagn\u00e9tiques se propageant via le r\u00e9seau d\u2019alimentation<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"41\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Tensions en mode commun<\/strong> : diff\u00e9rences de potentiel entre neutre et terre provoquant des dysfonctionnements<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Selon les sources techniques du secteur, environ 60 \u00e0 70 % des dommages aux \u00e9quipements \u00e9lectroniques critiques dans les h\u00f4pitaux et les data centres sont directement attribuables \u00e0 ces ph\u00e9nom\u00e8nes \u00e9lectriques.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Risques et applications critiques : quand un transformateur d\u2019isolement est-il n\u00e9cessaire ?<\/span><\/h2>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Secteur m\u00e9dical : conformit\u00e9 et s\u00e9curit\u00e9 des patients<\/span><\/h3>\n<p><span data-contrast=\"auto\">Dans le domaine m\u00e9dical, les transformateurs d\u2019isolement sont obligatoires pour alimenter les \u00e9quipements m\u00e9dicaux dans certains locaux de groupe II, conform\u00e9ment \u00e0 la <strong>norme EN 61558-2-15<\/strong>. Cette norme \u00e9tablit des exigences sp\u00e9cifiques pour :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"42\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Transformateurs destin\u00e9s \u00e0 alimenter des locaux m\u00e9dicaux avec syst\u00e8me IT<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"42\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Tensions jusqu\u2019\u00e0 1 kV et puissances comprises entre 0,5 et 10 kVA<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"42\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Obligation d\u2019un \u00e9cran d\u2019isolement reli\u00e9 au syst\u00e8me \u00e9quipotentiel local<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"42\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Protections thermiques et dispositifs de surveillance des courants de fuite<\/span><\/li>\n<\/ul>\n<p>L\u2019absence d\u2019isolement galvanique dans un environnement m\u00e9dical peut entra\u00eener :<\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Risques de microchocs pour les patients<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">D\u00e9clenchements intempestifs des protections diff\u00e9rentielles<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"43\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Dysfonctionnement des \u00e9quipements vitaux<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Installations industrielles : protection des PLC et variateurs<\/span><\/h3>\n<p><span data-contrast=\"auto\">En automatisation industrielle, les PLC, variateurs et syst\u00e8mes de contr\u00f4le sont particuli\u00e8rement sensibles aux perturbations \u00e9lectriques. Les transformateurs d\u2019isolement garantissent :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>\u00c9limination des boucles de terre<\/strong> g\u00e9n\u00e9rant des erreurs dans les syst\u00e8mes de contr\u00f4le<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Protection contre les surtensions<\/strong> susceptibles d\u2019endommager l\u2019\u00e9lectronique de puissance<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"44\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>R\u00e9duction des interf\u00e9rences \u00e9lectromagn\u00e9tiques<\/strong> dans les syst\u00e8mes de communication industrielle<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Les co\u00fbts des arr\u00eats de production caus\u00e9s par des perturbations \u00e9lectriques peuvent varier de 8 000 \u00e0 80 000 \u20ac\/h dans les grandes usines de production.<\/span><\/p>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Data centres et t\u00e9l\u00e9communications : garantir la continuit\u00e9 op\u00e9rationnelle<\/span><\/h3>\n<p><span data-contrast=\"auto\">Les data centres exigent une alimentation \u00ab propre \u00bb afin de garantir :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"45\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">La <strong>continuit\u00e9 op\u00e9rationnelle<\/strong> des serveurs et des syst\u00e8mes de refroidissement<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"45\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">La <strong>protection des UPS<\/strong> contre les courants de circulation<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"45\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Le <strong>respect des normes<\/strong> de qualit\u00e9 de l\u2019\u00e9nergie<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Stations de recharge pour VE : s\u00e9curit\u00e9 des usagers et des v\u00e9hicules<\/span><\/h3>\n<p><span data-contrast=\"auto\">L\u2019expansion de la mobilit\u00e9 \u00e9lectrique impose l\u2019utilisation de transformateurs d\u2019isolement pour :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La s\u00e9curit\u00e9 des usagers<\/strong> lors de la recharge<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La protection des syst\u00e8mes<\/strong> embarqu\u00e9s des v\u00e9hicules \u00e9lectriques<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"46\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La conformit\u00e9<\/strong> aux r\u00e9glementations de s\u00e9curit\u00e9 \u00e9lectrique<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"3\"><span data-contrast=\"none\">La solution Ortea Next : transformateurs d\u2019isolement sur mesure et conformes<\/span><\/h2>\n<p><span data-contrast=\"auto\">Ortea Next propose une gamme compl\u00e8te de <strong>transformateurs d\u2019isolement<\/strong> con\u00e7us pour r\u00e9pondre aux besoins les plus sp\u00e9cifiques du march\u00e9 industriel et commercial. Nos solutions comprennent :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"47\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Transformateurs monophas\u00e9s :<\/span><\/b><span data-contrast=\"auto\"> De 0,5 \u00e0 50 kVA pour alimentations d\u00e9di\u00e9es<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"47\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Transformateurs triphas\u00e9s :<\/span><\/b><span data-contrast=\"auto\"> De 5 \u00e0 2000 kVA pour grandes installations industrielles<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"47\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Versions sp\u00e9ciales :<\/span><\/b><span data-contrast=\"auto\"> Avec \u00e9crans \u00e9lectrostatiques et filtres int\u00e9gr\u00e9s<\/span><\/li>\n<\/ul>\n<h3><b><span data-contrast=\"auto\">Mat\u00e9riaux de haute qualit\u00e9 et proc\u00e9d\u00e9s de production certifi\u00e9s<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">La production \u00ab Made in Italy \u00bb d\u2019Ortea Next garantit des standards qualitatifs \u00e9lev\u00e9s et des certifications compl\u00e8tes. Nos transformateurs respectent int\u00e9gralement la <strong>norme EN 61558-1<\/strong> relative \u00e0 la s\u00e9curit\u00e9 et sont test\u00e9s selon des protocoles rigoureux incluant :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Essais d\u2019isolement \u00e0 haute tension<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Tests d\u2019\u00e9chauffement et de stabilit\u00e9 thermique<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">V\u00e9rifications de compatibilit\u00e9 \u00e9lectromagn\u00e9tique<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"48\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Contr\u00f4les qualit\u00e9 sur chaque produit individuel<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Conception personnalis\u00e9e pour besoins sp\u00e9cifiques<\/span><\/h3>\n<p><span data-contrast=\"auto\">La capacit\u00e9 de personnalisation avanc\u00e9e distingue Ortea Next sur le march\u00e9, permettant de d\u00e9velopper des solutions sur mesure pour chaque installation. Nos ing\u00e9nieurs peuvent adapter :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"49\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Tensions primaires et secondaires<\/strong> non standard<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"49\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Indices de protection IP<\/strong> jusqu\u2019\u00e0 IP54 pour environnements industriels s\u00e9v\u00e8res<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"49\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Configurations sp\u00e9ciales<\/strong> avec prises multiples ou commutateurs en charge<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"49\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Accessoires int\u00e9gr\u00e9s<\/strong> tels que protections thermiques et dispositifs de surveillance<\/span><\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.orteanext.com\/fr\/demande-dinformations-commerciales-et-sur-les-produits\/\"><b><span data-contrast=\"auto\">Vous avez un besoin sp\u00e9cifique ? Parlez-en avec l\u2019un de nos ing\u00e9nieurs.<\/span><\/b><\/a><\/p>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Crit\u00e8res de choix pour le bon dimensionnement du transformateur<\/span><\/h2>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Calcul de la puissance (kVA)<\/span><\/h3>\n<p><span data-contrast=\"auto\">Le dimensionnement correct commence par le calcul de la puissance apparente n\u00e9cessaire :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"50\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Pour charges monophas\u00e9es<\/strong> : kVA = (V \u00d7 I) \/ 1000<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"50\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Pour charges triphas\u00e9es<\/strong> : kVA = (\u221a3 \u00d7 V \u00d7 I) \/ 1000<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Il est essentiel d\u2019appliquer une marge de surdimensionnement de 15 \u00e0 25 % pour tenir compte de :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"51\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">La croissance future de la charge<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"51\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Les courants d\u2019appel (5 \u00e0 15 fois le courant nominal)<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"51\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Le contenu harmonique des charges non lin\u00e9aires<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"51\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Les variations du facteur de puissance<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">D\u00e9finition des tensions d\u2019entr\u00e9e\/sortie<\/span><\/h3>\n<p><span data-contrast=\"auto\">Le choix des tensions doit consid\u00e9rer\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"52\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La tension du r\u00e9seau disponible<\/strong> (400V, 230V, tensions sp\u00e9ciales)<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"52\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La tension requise par les charges<\/strong> \u00e0 alimenter<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"52\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>Les besoins d\u2019adaptation<\/strong> pour \u00e9quipements import\u00e9s<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"52\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\"><strong>La configuration du neutre<\/strong> (TN, TT, IT) du syst\u00e8me \u00e9lectrique<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">\u00c9valuation de l\u2019environnement d\u2019installation (IP, temp\u00e9rature)<\/span><\/h3>\n<p><span data-contrast=\"auto\">Les conditions environnementales influencent fortement le choix :<\/span><\/p>\n<p><b><span data-contrast=\"auto\">Temp\u00e9rature ambiante :<\/span><\/b><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">R\u00e9f\u00e9rence standard : 40\u00b0C<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">D\u00e9rating n\u00e9cessaire au-del\u00e0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\">D\u00e9rating de 5 % par 1000 m d\u2019altitude<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Indice de protection IP :<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>IP00<\/strong> : Installation dans armoires \u00e9lectriques ferm\u00e9es<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>IP23<\/strong> : Environnements industriels standards<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>IP44\/IP54<\/strong> : Environnements poussi\u00e9reux ou humides<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Classes d\u2019isolation thermique :<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"53\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Classe A (105\u00b0C), B (130\u00b0C), F (155\u00b0C), H (180\u00b0C)<\/span><\/li>\n<\/ul>\n<h3 aria-level=\"3\"><span data-contrast=\"none\">Facteurs suppl\u00e9mentaires : groupe vectoriel et courant d\u2019appel<\/span><\/h3>\n<p><b><span data-contrast=\"auto\">Groupe vectoriel :<\/span><\/b><span data-contrast=\"auto\"> Le choix d\u00e9pend de la configuration de l\u2019installation (voici quelques exemples) :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>Dyn11<\/strong> : Triangle-\u00e9toile avec neutre, d\u00e9phasage 330\u00b0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>Yyn0<\/strong> : \u00c9toile-\u00e9toile, d\u00e9phasage 0\u00b0<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>YNd11<\/strong> : \u00c9toile avec neutre-triangle, d\u00e9phasage 330\u00b0<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Gestion du courant d\u2019appel :<\/span><\/b><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;335559738&quot;:240,&quot;335559739&quot;:240}\">\u00a0<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Coordination avec les protections amont<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Dimensionnement des conducteurs<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"54\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\">\u00c9valuation de l\u2019impact sur le r\u00e9seau d\u2019alimentation<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">Pour un dimensionnement optimal, contactez nos experts pour une consultation personnalis\u00e9e.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Pourquoi choisir Ortea Next pour vos transformateurs d\u2019isolement<\/span><\/h2>\n<p><span data-contrast=\"auto\">Ortea Next incarne plus de 50 ans d\u2019excellence italienne dans la conception et la fabrication de solutions pour la qualit\u00e9 de l\u2019\u00e9nergie. Notre leadership repose sur :<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Exp\u00e9rience confirm\u00e9e et pr\u00e9sence mondiale<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Pr\u00e9sents dans plus de 100 pays avec un r\u00e9seau international de distributeurs qualifi\u00e9s, Ortea Next garantit un support technique local m\u00eame pour les projets les plus complexes.<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Innovation continue et R&amp;D avanc\u00e9e<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Notre centre de recherche et d\u00e9veloppement investit en permanence dans de nouvelles technologies pour anticiper les besoins du march\u00e9 et offrir des solutions toujours plus fiables et performantes.<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Certifications et conformit\u00e9 r\u00e9glementaire<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Tous nos transformateurs sont con\u00e7us et test\u00e9s selon les normes internationales les plus strictes :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"55\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>EN 61558-1<\/strong> : S\u00e9curit\u00e9 des transformateurs<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"55\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>EN 61558-2-15<\/strong> : Transformateurs pour locaux m\u00e9dicaux<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"55\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\"><strong>IEC 60076<\/strong> : Norme pour transformateurs de puissance<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">D\u00e9couvrez notre gamme compl\u00e8te de transformateurs et r\u00e9actances BT ou explorez les sp\u00e9cifications de nos transformateurs de puissance.<\/span><\/p>\n<p>&nbsp;<\/p>\n<h2 aria-level=\"2\"><span data-contrast=\"none\">Foire aux questions (FAQ) sur les transformateurs d\u2019isolement<\/span><\/h2>\n<h3><b><span data-contrast=\"auto\">Quelle est la dur\u00e9e de vie moyenne d\u2019un transformateur d\u2019isolement Ortea Next ?<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Les transformateurs Ortea Next sont con\u00e7us pour une dur\u00e9e de fonctionnement d\u2019au moins 30 ans dans des conditions nominales. La qualit\u00e9 des mat\u00e9riaux \u00ab Made in Italy \u00bb et les contr\u00f4les rigoureux garantissent fiabilit\u00e9 m\u00eame en environnements s\u00e9v\u00e8res.<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Peut-on obtenir un transformateur avec des tensions non standard ?<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Oui, la personnalisation est l\u2019un des points forts d\u2019Ortea Next. Nous r\u00e9alisons des transformateurs avec toute combinaison de tensions primaires et secondaires, y compris pour applications sp\u00e9ciales avec tensions non standard ou sorties multiples.<\/span><\/p>\n<h3><b><span data-contrast=\"auto\">Quel type d\u2019entretien est requis ?<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Les transformateurs Ortea Next n\u00e9cessitent un entretien minimal. Nous recommandons :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"1\" data-aria-level=\"2\"><span data-contrast=\"auto\">Contr\u00f4le visuel semestriel des connexions<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-contrast=\"auto\">Nettoyage annuel des surfaces de refroidissement<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-contrast=\"auto\">V\u00e9rification quinquennale de l\u2019isolement par essais \u00e9lectriques<\/span><\/li>\n<\/ul>\n<h3><b><span data-contrast=\"auto\">Comment choisir entre transformateur d\u2019isolement et autotransformateur ?<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Le choix d\u00e9pend de l\u2019application :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"2\"><b><span data-contrast=\"auto\">Transformateur d\u2019isolement :<\/span><\/b><span data-contrast=\"auto\"> Quand une s\u00e9paration galvanique est n\u00e9cessaire (secteur m\u00e9dical, data centres, protection des \u00e9quipements sensibles)<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"4\" data-aria-level=\"2\"><b><span data-contrast=\"auto\">Autotransformateur :<\/span><\/b><span data-contrast=\"auto\"> Pour de simples adaptations de tension sans besoin d\u2019isolement galvanique ni protection contre les courants de fuite<\/span><\/li>\n<\/ul>\n<h3><b><span data-contrast=\"auto\">Quels sont les d\u00e9lais de livraison pour un transformateur personnalis\u00e9 ?<\/span><\/b><\/h3>\n<p><span data-contrast=\"auto\">Les d\u00e9lais d\u00e9pendent des sp\u00e9cifications techniques et de la puissance requise :<\/span><\/p>\n<ul>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"6\" data-aria-level=\"2\"><span data-contrast=\"auto\">Transformateurs standards : 2 \u00e0 4 semaines<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"7\" data-aria-level=\"2\"><span data-contrast=\"auto\">Transformateurs personnalis\u00e9s : 4 \u00e0 8 semaines<\/span><\/li>\n<li aria-setsize=\"-1\" data-leveltext=\"o\" data-font=\"Courier New\" data-listid=\"56\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559685&quot;:1440,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Courier New&quot;,&quot;469769242&quot;:[9675],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;o&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" data-aria-posinset=\"8\" data-aria-level=\"2\"><span data-contrast=\"auto\">Projets sp\u00e9ciaux : Sur devis, g\u00e9n\u00e9ralement 6 \u00e0 12 semaines<\/span><\/li>\n<\/ul>\n<p><b><span data-contrast=\"auto\">Demandez une consultation gratuite pour choisir le transformateur d\u2019isolement adapt\u00e9 \u00e0 votre application. Contactez nos experts pour un dimensionnement professionnel.<\/span><\/b><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le choix du transformateur d\u2019isolement appropri\u00e9 est une d\u00e9cision cruciale pour assurer la s\u00e9curit\u00e9 des op\u00e9rateurs et prot\u00e9ger les \u00e9quipements \u00e9lectriques sensibles. Dans un march\u00e9 qui a d\u00e9pass\u00e9 63,8 milliards de dollars en 2024, avec une croissance annuelle pr\u00e9vue de 6,6 % jusqu\u2019en 2034, la demande de solutions d\u2019isolement galvanique est de plus en plus [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10820,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[20100],"tags":[],"class_list":["post-7363","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-transformateurs-et-reacteurs-bt"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Guide pour le choix du transformateur d\u2019isolement | Ortea Next<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez comment choisir le bon transformateur d\u2019isolement pour garantir 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