{"id":15504,"date":"2026-07-29T07:07:07","date_gmt":"2026-07-29T07:07:07","guid":{"rendered":"https:\/\/www.zhengxi1983.com\/?p=15504"},"modified":"2026-07-29T07:07:08","modified_gmt":"2026-07-29T07:07:08","slug":"voltage-stabilizer-trips-when-motor-starts","status":"publish","type":"post","link":"https:\/\/www.zhengxi1983.com\/fr\/voltage-stabilizer-trips-when-motor-starts\/","title":{"rendered":"Pourquoi un stabilisateur de tension se d\u00e9clenche-t-il au d\u00e9marrage d'un moteur ou d'un compresseur ?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Vous est-il d\u00e9j\u00e0 arriv\u00e9 d'installer un stabilisateur de tension pour vous rendre compte ensuite qu'il&nbsp;<strong>se d\u00e9clenche imm\u00e9diatement d\u00e8s le d\u00e9marrage d'un compresseur d'air, d'une pompe \u00e0 eau, d'un compresseur frigorifique ou d'un moteur industriel<\/strong>? Alors que le stabilisateur fonctionne parfaitement sous des charges normales, il s'arr\u00eate brusquement d\u00e8s que le moteur commence \u00e0 tourner.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C'est l'une des questions les plus fr\u00e9quemment pos\u00e9es par les propri\u00e9taires d'usines, les entrepreneurs en CVC et les installateurs d'\u00e9quipements. Dans la plupart des cas, le stabilisateur n'est pas d\u00e9fectueux : il se contente de se prot\u00e9ger contre un ph\u00e9nom\u00e8ne \u00e9lectrique temporaire appel\u00e9&nbsp;<strong>courant d'appel au d\u00e9marrage du moteur<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Comprendre les raisons de ce ph\u00e9nom\u00e8ne vous aide \u00e0 choisir la capacit\u00e9 de stabilisateur adapt\u00e9e, \u00e0 \u00e9viter les temps d'arr\u00eat inutiles et \u00e0 am\u00e9liorer la fiabilit\u00e9 de vos \u00e9quipements.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dans ce guide, nous allons vous expliquer :<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pourquoi les moteurs consomment-ils un courant extr\u00eamement \u00e9lev\u00e9 au d\u00e9marrage ?<\/li>\n\n\n\n<li>Pourquoi les stabilisateurs de tension se d\u00e9clenchent-ils lors du d\u00e9marrage d'un moteur ?<\/li>\n\n\n\n<li>Comment la chute de tension influe sur la protection du stabilisateur<\/li>\n\n\n\n<li>Comment choisir correctement la taille d'un stabilisateur pour les compresseurs et les moteurs<\/li>\n\n\n\n<li>Solutions pratiques pour \u00e9viter les d\u00e9clenchements intempestifs<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Que se passe-t-il lorsqu'un moteur d\u00e9marre ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement aux charges r\u00e9sistives telles que les appareils de chauffage ou l'\u00e9clairage, les moteurs \u00e0 induction n\u00e9cessitent un courant tr\u00e8s important pour vaincre l'inertie et g\u00e9n\u00e9rer un couple de d\u00e9marrage suffisant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Au cours des premi\u00e8res centaines de millisecondes suivant le d\u00e9marrage, le moteur se comporte presque comme s'il \u00e9tait en court-circuit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce pic temporaire s'appelle :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Courant de d\u00e9marrage du moteur<\/li>\n\n\n\n<li>Courant de rotor bloqu\u00e9 (LRA)<\/li>\n\n\n\n<li>Courant d'appel<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Selon la conception du moteur, le courant de d\u00e9marrage peut atteindre :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3 \u00e0 5 fois le courant nominal (moteurs \u00e0 d\u00e9marrage progressif)<\/li>\n\n\n\n<li>5 \u00e0 7 fois le courant nominal (moteurs \u00e0 induction standard)<\/li>\n\n\n\n<li>6 \u00e0 10 fois le courant nominal (compresseurs d'air)<\/li>\n\n\n\n<li>8 \u00e0 12 fois le courant nominal (\u00e9quipements industriels lourds)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que cette surtension ne dure qu'une fraction de seconde, elle est suffisamment importante pour d\u00e9clencher les circuits de protection int\u00e9gr\u00e9s \u00e0 de nombreux stabilisateurs de tension.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exemple :<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><figure class=\"wp-block-table\"><div class=\"scroll\"><table class=\"has-fixed-layout\"><tbody><tr><th>Puissance nominale du moteur<\/th><th>Courant nominal<\/th><th>Courant de d\u00e9marrage<\/th><\/tr><tr><td>5 HP<\/td><td>8 A<\/td><td>48 A<\/td><\/tr><tr><td>10 HP<\/td><td>16 A<\/td><td>96 A<\/td><\/tr><tr><td>20 HP<\/td><td>32 A<\/td><td>180\u2013220 A<\/td><\/tr><\/tbody><\/table><\/div><\/figure><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010img\u3011<br><em>Alt : Comparaison entre le courant de d\u00e9marrage du moteur et le courant de fonctionnement normal, mettant en \u00e9vidence le pic de courant d'appel<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi le stabilisateur de tension se d\u00e9clenche-t-il ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les stabilisateurs de tension automatiques modernes int\u00e8grent plusieurs fonctions de protection destin\u00e9es \u00e0 pr\u00e9server \u00e0 la fois le stabilisateur et les \u00e9quipements qui y sont raccord\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu'un moteur d\u00e9marre, un ou plusieurs m\u00e9canismes de protection peuvent se d\u00e9clencher.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Protection contre les surcharges<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La raison la plus courante est la protection contre les surcharges.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si le courant de d\u00e9marrage du moteur d\u00e9passe la capacit\u00e9 de surcharge instantan\u00e9e du stabilisateur, le relais de protection coupe la sortie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par exemple :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Puissance nominale du stabilisateur de 20 kVA : environ 30 A<\/li>\n\n\n\n<li>Courant de d\u00e9marrage du moteur : 150 A<\/li>\n\n\n\n<li>Le syst\u00e8me de protection d\u00e9tecte un courant excessif<\/li>\n\n\n\n<li>La sortie se coupe imm\u00e9diatement<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Chute de tension d'entr\u00e9e<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un courant de d\u00e9marrage \u00e9lev\u00e9 provoque une chute de tension temporaire sur le r\u00e9seau \u00e9lectrique.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Par exemple :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tension d'alimentation normale : 400 V<\/li>\n\n\n\n<li>D\u00e9marrages du moteur<\/li>\n\n\n\n<li>La tension chute \u00e0 310 V<\/li>\n\n\n\n<li>Le stabilisateur d\u00e9tecte une sous-tension<\/li>\n\n\n\n<li>La protection s'active<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ce probl\u00e8me s'aggrave lorsque :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les lignes \u00e9lectriques sont longues<\/li>\n\n\n\n<li>Les c\u00e2bles sont sous-dimensionn\u00e9s<\/li>\n\n\n\n<li>Les g\u00e9n\u00e9rateurs ont une capacit\u00e9 limit\u00e9e<\/li>\n\n\n\n<li>L'imp\u00e9dance du transformateur est \u00e9lev\u00e9e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010img\u3011<br><em>Alt : Chute de tension lors du d\u00e9marrage du compresseur, provoquant le d\u00e9clenchement du dispositif de protection du stabilisateur de tension<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Temps de r\u00e9tablissement de la tension de sortie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les stabilisateurs de tension \u00e0 servocommande ont besoin d'un court laps de temps pour ajuster la tension de sortie apr\u00e8s avoir d\u00e9tect\u00e9 une variation soudaine de la tension d'entr\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si la tension varie plus rapidement que ne peut le compenser le servomoteur, le dispositif de protection peut se d\u00e9clencher avant que la tension ne se soit compl\u00e8tement stabilis\u00e9e.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Protection thermique interne<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les d\u00e9marrages fr\u00e9quents du moteur entra\u00eenent des situations de surcharge r\u00e9p\u00e9t\u00e9es.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s plusieurs d\u00e9marrages, les enroulements du transformateur et les composants de puissance s'\u00e9chauffent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Afin d'\u00e9viter tout dommage, le dispositif de protection thermique d\u00e9sactive temporairement le stabilisateur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi les compresseurs posent-ils plus de probl\u00e8mes que les moteurs classiques ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Les compresseurs d'air et les compresseurs frigorifiques comptent parmi les charges \u00e9lectriques les plus exigeantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contrairement aux pompes centrifuges, les compresseurs d\u00e9marrent souvent sous pression, ce qui n\u00e9cessite un couple de d\u00e9marrage nettement plus \u00e9lev\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il en r\u00e9sulte que :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Courant de rotor bloqu\u00e9 plus \u00e9lev\u00e9<\/li>\n\n\n\n<li>Dur\u00e9e de d\u00e9marrage plus longue<\/li>\n\n\n\n<li>Chute de tension plus importante<\/li>\n\n\n\n<li>Contrainte m\u00e9canique plus \u00e9lev\u00e9e<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Courants de d\u00e9marrage typiques d'un compresseur :<\/p>\n\n\n\n<figure class=\"wp-block-table\"><figure class=\"wp-block-table\"><div class=\"scroll\"><table class=\"has-fixed-layout\"><tbody><tr><th>Equipement<\/th><th>Courant de fonctionnement<\/th><th>Startup Current<\/th><\/tr><tr><td>Compresseur \u00e0 spirale<\/td><td>15 A<\/td><td>80 \u00e0 100 A<\/td><\/tr><tr><td>Compresseur \u00e0 vis<\/td><td>40 A<\/td><td>200 \u00e0 300 A<\/td><\/tr><tr><td>Compresseur \u00e0 piston<\/td><td>25 A<\/td><td>150 \u00e0 220 A<\/td><\/tr><\/tbody><\/table><\/div><\/figure><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cela explique pourquoi de nombreux stabilisateurs de tension, qui fonctionnent parfaitement avec des charges d'\u00e9clairage ou de chauffage, se d\u00e9clenchent soudainement lorsqu'ils sont raccord\u00e9s \u00e0 des compresseurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010img\u3011<br><em>Alt : Courant de d\u00e9marrage du compresseur par rapport \u00e0 la puissance nominale du stabilisateur de tension asservi<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Comment choisir correctement la puissance d'un stabilisateur de tension pour les moteurs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L'une des principales erreurs d'installation consiste \u00e0 dimensionner le stabilisateur en se basant uniquement sur la puissance de fonctionnement du moteur.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les ing\u00e9nieurs devraient plut\u00f4t prendre en compte les \u00e9l\u00e9ments suivants :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Courant de d\u00e9marrage du moteur<\/li>\n\n\n\n<li>Facteur de puissance<\/li>\n\n\n\n<li>M\u00e9thode de d\u00e9marrage<\/li>\n\n\n\n<li>Coefficient d'utilisation<\/li>\n\n\n\n<li>Fluctuation de tension<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Recommandation g\u00e9n\u00e9rale<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><figure class=\"wp-block-table\"><div class=\"scroll\"><table class=\"has-fixed-layout\"><tbody><tr><th>M\u00e9thode de d\u00e9marrage d'un moteur<\/th><th>Taille de stabilisateur recommand\u00e9e<\/th><\/tr><tr><td>Direct-On-Line (DOL)<\/td><td>2,5 \u00e0 3 fois la puissance nominale du moteur<\/td><\/tr><tr><td>\u00c9toile-Delta<\/td><td>1,8 \u00e0 2 fois la puissance nominale du moteur<\/td><\/tr><tr><td>D\u00e9marreur progressif<\/td><td>1,3 \u00e0 1,5 fois la puissance nominale du moteur<\/td><\/tr><tr><td>Entra\u00eenement \u00e0 fr\u00e9quence variable (EFV)<\/td><td>1,2\u20131,3 \u00d7 la puissance nominale du moteur<\/td><\/tr><\/tbody><\/table><\/div><\/figure><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Exemple :<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Un compresseur de 15 kW peut n\u00e9cessiter :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>15 kVA pour le fonctionnement<\/li>\n\n\n\n<li>Stabilisateur de 40 \u00e0 50 kVA en cas de d\u00e9marrage direct en charge (DOL)<\/li>\n\n\n\n<li>25 \u00e0 30 kVA avec d\u00e9marreur progressif<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Solutions pratiques pour \u00e9viter les d\u00e9clenchements des stabilisateurs de tension<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Choisissez un stabilisateur plus grand<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">L'augmentation de la capacit\u00e9 du stabilisateur offre une marge de surcharge plus importante lors du d\u00e9marrage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Utilisez un d\u00e9marreur progressif<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Les d\u00e9marreurs progressifs augmentent progressivement la tension du moteur, ce qui r\u00e9duit consid\u00e9rablement le courant d'appel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">R\u00e9duction type :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Courant de d\u00e9marrage 600% \u2192 250\u2013300%<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Installer un variateur de fr\u00e9quence (VFD)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Un variateur de fr\u00e9quence (VFD) contr\u00f4le l'acc\u00e9l\u00e9ration de mani\u00e8re \u00e9lectronique et peut r\u00e9duire le courant de d\u00e9marrage \u00e0 un niveau proche du courant nominal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Outre le fait qu'ils emp\u00eachent les d\u00e9clenchements du stabilisateur, les variateurs de fr\u00e9quence am\u00e9liorent le rendement \u00e9nerg\u00e9tique et prolongent la dur\u00e9e de vie des moteurs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Optimiser le calibre du c\u00e2ble<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Des c\u00e2bles de section insuffisante entra\u00eenent une augmentation de la chute de tension.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le choix d'un conducteur de section ad\u00e9quate permet de r\u00e9duire au minimum les chutes de tension d'entr\u00e9e lors du d\u00e9marrage du moteur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00e9rifier la capacit\u00e9 du g\u00e9n\u00e9rateur<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si le stabilisateur est aliment\u00e9 par un groupe \u00e9lectrog\u00e8ne diesel, assurez-vous que celui-ci est capable de supporter le courant d'appel du moteur sans provoquer de chute de tension excessive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Stabilisateur asservi ou stabilisateur statique pour les charges motrices<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><figure class=\"wp-block-table\"><div class=\"scroll\"><table class=\"has-fixed-layout\"><tbody><tr><th>Fonctionnalit\u00e9<\/th><th>Servo Stabilisateur<\/th><th>Stabilisateur statique<\/th><\/tr><tr><td>Vitesse de r\u00e9ponse<\/td><td>Moyen<\/td><td>Tr\u00e8s rapide<\/td><\/tr><tr><td>Performances de d\u00e9marrage du moteur<\/td><td>Bon<\/td><td>Excellent<\/td><\/tr><tr><td>Correction de la tension<\/td><td>M\u00e9canique<\/td><td>\u00c9lectronique<\/td><\/tr><tr><td>Changements fr\u00e9quents de charge<\/td><td>Mod\u00e9r\u00e9<\/td><td>Excellent<\/td><\/tr><tr><td>Compresseurs industriels<\/td><td>Adapt\u00e9<\/td><td>\u00c0 recommander vivement<\/td><\/tr><\/tbody><\/table><\/div><\/figure><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Les installations o\u00f9 les compresseurs s'arr\u00eatent et red\u00e9marrent fr\u00e9quemment tirent souvent profit des stabilisateurs de tension statiques, gr\u00e2ce \u00e0 leur vitesse de r\u00e9ponse de l'ordre de la milliseconde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3010img\u3011<br><em>Alt : Comparaison entre un stabilisateur de tension asservi et un stabilisateur de tension statique pour le d\u00e9marrage d'un moteur<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Normes industrielles et r\u00e9f\u00e9rences techniques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le comportement au d\u00e9marrage des moteurs et la qualit\u00e9 de la tension font l'objet d'une documentation approfondie de la part d'organismes internationaux.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Norme IEEE 3004 \u2013 Pratiques d'ing\u00e9nierie des syst\u00e8mes moteurs<\/li>\n\n\n\n<li>IEC 60034 \u2013 Machines \u00e9lectriques tournantes<\/li>\n\n\n\n<li>IEC 61000 \u2013 Compatibilit\u00e9 \u00e9lectromagn\u00e9tique et qualit\u00e9 de la tension<\/li>\n\n\n\n<li>Guide technique ABB \u2013 M\u00e9thodes de d\u00e9marrage des moteurs<\/li>\n\n\n\n<li>Schneider Electric \u2013 Protection des moteurs et qualit\u00e9 de l'\u00e9nergie<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ces r\u00e9f\u00e9rences soulignent que les courants d'appel \u00e9lev\u00e9s et les chutes de tension temporaires constituent des ph\u00e9nom\u00e8nes \u00e9lectriques normaux dont il faut tenir compte lors de la conception d'un syst\u00e8me.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1785308781385\"><strong class=\"schema-faq-question\">Un petit stabilisateur peut-il endommager un moteur ?<\/strong> <p class=\"schema-faq-answer\">Oui. Si le stabilisateur se d\u00e9clenche \u00e0 plusieurs reprises lors du d\u00e9marrage, le moteur risque de conna\u00eetre des d\u00e9marrages incomplets, une surchauffe et une sollicitation m\u00e9canique accrue.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785308791887\"><strong class=\"schema-faq-question\">Un d\u00e9marreur progressif permettra-t-il d'\u00e9viter les d\u00e9clenchements du stabilisateur ?<\/strong> <p class=\"schema-faq-answer\">Dans de nombreuses applications, oui. Les d\u00e9marreurs progressifs r\u00e9duisent consid\u00e9rablement le courant de d\u00e9marrage et la chute de tension, ce qui diminue le risque de d\u00e9clenchement des dispositifs de protection contre les surcharges.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1785308808324\"><strong class=\"schema-faq-question\">Dois-je choisir la taille du stabilisateur en fonction de la puissance du moteur ?<\/strong> <p class=\"schema-faq-answer\">Non. Il faut toujours tenir compte du courant de d\u00e9marrage, du facteur de puissance, des caract\u00e9ristiques de la charge et de la m\u00e9thode de d\u00e9marrage, plut\u00f4t que de se fier uniquement \u00e0 la puissance du moteur en chevaux.<\/p> <\/div> <\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un stabilisateur de tension se d\u00e9clenche g\u00e9n\u00e9ralement lors du d\u00e9marrage d'un moteur ou d'un compresseur, car l'\u00e9quipement consomme une puissance tr\u00e8s \u00e9lev\u00e9e&nbsp;<strong>courant d'appel<\/strong>, provoquant soit une situation de surcharge, soit une&nbsp;<strong>chute de tension<\/strong>. Dans la plupart des cas, le stabilisateur fonctionne exactement comme pr\u00e9vu, en se prot\u00e9geant lui-m\u00eame ainsi que la charge qui y est raccord\u00e9e.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Parmi les solutions les plus efficaces, on peut citer le choix d'un stabilisateur de capacit\u00e9 adapt\u00e9e, la r\u00e9duction du courant de d\u00e9marrage \u00e0 l'aide d'un d\u00e9marreur progressif ou d'un variateur de fr\u00e9quence, l'am\u00e9lioration de la distribution \u00e9lectrique et la v\u00e9rification que la source d'alimentation est capable de supporter des charges transitoires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si votre application implique l'utilisation de compresseurs d'air, de syst\u00e8mes de r\u00e9frig\u00e9ration, de pompes, de machines \u00e0 commande num\u00e9rique (CNC) ou d'autres \u00e9quipements \u00e0 forte charge motrice, il est essentiel, pour garantir une fiabilit\u00e9 \u00e0 long terme, de choisir un stabilisateur sp\u00e9cialement con\u00e7u pour les courants d'appel \u00e9lev\u00e9s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vous avez besoin d'aide pour choisir le stabilisateur de tension adapt\u00e9 \u00e0 vos \u00e9quipements \u00e0 moteur ?<\/strong><br>ZHENGXI est sp\u00e9cialis\u00e9e dans les servomoteurs industriels et les stabilisateurs de tension statiques con\u00e7us pour les compresseurs, les pompes, les syst\u00e8mes CVC et les \u00e9quipements de production. Contactez notre \u00e9quipe technique pour obtenir des recommandations de dimensionnement sur mesure en fonction de la puissance nominale de votre moteur, de la m\u00e9thode de d\u00e9marrage et des conditions sur site.<\/p>","protected":false},"excerpt":{"rendered":"<p>Have you ever installed a voltage stabilizer only to find that it&nbsp;trips immediately when an air compressor, water pump, refrigeration compressor, or industrial motor starts? While the stabilizer works perfectly under normal loads, it suddenly shuts down the moment the motor begins rotating. This is one of the most common questions asked by factory owners, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[36],"tags":[],"class_list":["post-15504","post","type-post","status-publish","format-standard","hentry","category-product-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why Does a Voltage Stabilizer Trip When a Motor Starts? | AVR Manufacturer - ZHENGXI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.zhengxi1983.com\/fr\/voltage-stabilizer-trips-when-motor-starts\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why Does a Voltage Stabilizer Trip When a Motor Starts? | AVR Manufacturer - ZHENGXI\" \/>\n<meta property=\"og:description\" content=\"Have you ever installed a voltage stabilizer only to find that it&nbsp;trips immediately when an air compressor, water pump, refrigeration compressor, or industrial motor starts? While the stabilizer works perfectly under normal loads, it suddenly shuts down the moment the motor begins rotating. 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If the stabilizer repeatedly trips during startup, the motor may experience incomplete starts, overheating, and increased mechanical stress.\",\"inLanguage\":\"fr-FR\"},\"inLanguage\":\"fr-FR\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/www.zhengxi1983.com\\\/voltage-stabilizer-trips-when-motor-starts\\\/#faq-question-1785308791887\",\"position\":2,\"url\":\"https:\\\/\\\/www.zhengxi1983.com\\\/voltage-stabilizer-trips-when-motor-starts\\\/#faq-question-1785308791887\",\"name\":\"Will a soft starter eliminate stabilizer trips?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"In many applications, yes. 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If the stabilizer repeatedly trips during startup, the motor may experience incomplete starts, overheating, and increased mechanical stress.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.zhengxi1983.com\/voltage-stabilizer-trips-when-motor-starts\/#faq-question-1785308791887","position":2,"url":"https:\/\/www.zhengxi1983.com\/voltage-stabilizer-trips-when-motor-starts\/#faq-question-1785308791887","name":"Un d\u00e9marreur progressif permettra-t-il d'\u00e9viter les d\u00e9clenchements du stabilisateur ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"In many applications, yes. Soft starters significantly reduce startup current and voltage dip, lowering the chance of overload protection activation.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"},{"@type":"Question","@id":"https:\/\/www.zhengxi1983.com\/voltage-stabilizer-trips-when-motor-starts\/#faq-question-1785308808324","position":3,"url":"https:\/\/www.zhengxi1983.com\/voltage-stabilizer-trips-when-motor-starts\/#faq-question-1785308808324","name":"Dois-je choisir la taille du stabilisateur en fonction de la puissance du moteur ?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. Always consider starting current, power factor, load characteristics, and startup method rather than relying solely on motor horsepower.","inLanguage":"fr-FR"},"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/posts\/15504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/comments?post=15504"}],"version-history":[{"count":2,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/posts\/15504\/revisions"}],"predecessor-version":[{"id":15507,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/posts\/15504\/revisions\/15507"}],"wp:attachment":[{"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/media?parent=15504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/categories?post=15504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhengxi1983.com\/fr\/wp-json\/wp\/v2\/tags?post=15504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}