{"id":9857,"date":"2017-09-07T03:37:08","date_gmt":"2017-09-07T08:37:08","guid":{"rendered":"https:\/\/www.insta-pro.com\/?p=9857\/"},"modified":"2026-01-07T13:12:42","modified_gmt":"2026-01-07T19:12:42","slug":"demarreurs-de-moteur","status":"publish","type":"post","link":"https:\/\/instapro.spinuhost.com\/fr\/blog\/ingenierie-maintenance\/demarreurs-de-moteur\/","title":{"rendered":"D\u00e9marreurs de moteur"},"content":{"rendered":"<p>Les d\u00e9marreurs de moteur sont des appareils simples, mais souvent n\u00e9glig\u00e9s dans les installations d\u2019extrusion.&#160; Un d\u00e9marreur est essentiellement un interrupteur g\u00e9ant qui fournit l\u2019alimentation \u00e9lectrique \u00e0 un moteur.&#160; Plusieurs marques proposent des d\u00e9marreurs de moteur, mais il est important de comprendre leur fonction, afin que vous puissiez prendre les meilleures d\u00e9cisions en ce qui concerne le fournisseur.&#160; Tous les moteurs ont besoin d\u2019une sorte de dispositif de d\u00e9marrage.&#160; Le type d\u2019appareil \u00e0 utiliser d\u00e9pend de la puissance du moteur, de l\u2019utilisation du moteur et de l\u2019amp\u00e9rage par appareil permis par votre compagnie d\u2019\u00e9lectricit\u00e9 locale.<\/p>\n<h5><\/h5>\n<h5>Types de d\u00e9marreurs<\/h5>\n<h6><\/h6>\n<h6>\u00c0 branchement direct au secteur<\/h6>\n<p>Il s\u2019agit du type de d\u00e9marreur le plus simple.&#160; Un peu comme un interrupteur d\u2019\u00e9clairage, il fournit et coupe l\u2019alimentation l\u2019\u00e9lectrique au moteur sous une forme allum\u00e9\/\u00e9teint.&#160; Ce type de d\u00e9marreur n\u2019est utilisable qu\u2019avec les moteurs de faible puissance.&#160; De mani\u00e8re g\u00e9n\u00e9rale, les moteurs les plus puissants pouvant utiliser ce type de d\u00e9marreur sont des moteurs de 11 \u00e0 22&#160;kW (15 \u00e0 30&#160;hp), et cela d\u00e9pend de votre compagnie d\u2019\u00e9lectricit\u00e9 locale.&#160; Plus un moteur est puissant, plus son appel de courant potentiel est \u00e9lev\u00e9.&#160; Si vous avez une usine avec de nombreux moteurs de puissance \u00e9lev\u00e9e, qui sont d\u00e9marr\u00e9s de cette fa\u00e7on, votre appel de courant sera tr\u00e8s \u00e9lev\u00e9 et il est possible que votre compagnie d\u2019\u00e9lectricit\u00e9 locale vous contacte pour vous demander des explications&#160;!<\/p>\n<p>Ce qui limite l\u2019usage de cette m\u00e9thode est l\u2019appel de courant n\u00e9cessaire.&#160; Utiliser ce type de d\u00e9marreur avec notre plus grosse extrudeuse, qui a un moteur de 260&#160;kW (350&#160;hp) serait une tr\u00e8s mauvaise id\u00e9e.&#160; En fait, une entreprise startup l\u2019a fait il y a quelques ann\u00e9es de \u00e7a et toute une ville s\u2019est retrouv\u00e9e sans \u00e9lectricit\u00e9&#160;!&#160; Ces moteurs de grande puissance n\u00e9cessitent un d\u00e9marreur sp\u00e9cial.<\/p>\n<h6><\/h6>\n<h6>Les d\u00e9marreurs progressifs (\u00e9toile-triangle)<\/h6>\n<p>Les moteurs de plus grande taille ont besoin d\u2019un d\u00e9bit de puissance progressif, plut\u00f4t que d\u2019un seul coup.&#160; Pour ces derniers, un d\u00e9marreur progressif est requis.&#160; Comme leur nom le sugg\u00e8re, ces d\u00e9marreurs r\u00e9gulent l\u2019alimentation \u00e9lectrique du moteur, de sorte que, plut\u00f4t que d\u2019envoyer toute la puissance d\u2019un coup, ils contr\u00f4lent l\u2019intensit\u00e9 pour d\u00e9marrer le moteur lentement.&#160; Cela r\u00e9duit l\u2019amp\u00e9rage initial requis par le syst\u00e8me<\/p>\n<h6><\/h6>\n<h6>Variateurs de vitesse<\/h6>\n<p>Tout comme les d\u00e9marreurs progressifs, les variateurs de vitesse offrent une plus grande flexibilit\u00e9.&#160; Ils sont utilis\u00e9s pour contr\u00f4ler la fr\u00e9quence de la tension allant au moteur et donc, la vitesse \u00e0 laquelle le moteur peut fonctionner.&#160; Nous recommandons ces appareils pour certaines presses, afin de maximiser la production d\u2019huile tout en limitant le r\u00e9gime moteur de la presse.&#160; Ils sont \u00e9galement n\u00e9cessaires pour les alimentateurs \u00e0 vis dans lesquels le d\u00e9bit de mati\u00e8re doit \u00eatre ajust\u00e9 en fonction du d\u00e9bit de traitement.&#160; Les variateurs offrent plus de souplesse qu\u2019un d\u00e9marreur progressif normal, mais ils co\u00fbtent plus cher.&#160; Les prix sont \u00e0 la baisse&#160;; vous devriez donc comparer les besoins de votre syst\u00e8me aux prix actuels.<\/p>\n<h6><\/h6>\n<h6>D\u00e9marreurs r\u00e9versibles et non r\u00e9versibles<\/h6>\n<p>Tous les d\u00e9marreurs sont disponibles avec l\u2019option d\u2019\u00eatre r\u00e9versibles ou non r\u00e9versibles.&#160; Le d\u00e9marreur peut changer les connexions de c\u00e2blage, de mani\u00e8re \u00e0 inverser la polarit\u00e9 et \u00e0 inverser ainsi le sens de rotation du moteur.&#160; Ce type de d\u00e9marreur est principalement utilis\u00e9 pour des convoyeurs \u00e0 vis, de mani\u00e8re \u00e0 pouvoir \u00e9liminer les obstructions potentielles, mais il peut aussi \u00eatre utilis\u00e9 avec d\u2019autres \u00e9quipements.&#160; Un broyeur \u00e0 marteaux est un bon exemple.&#160; Un d\u00e9marreur r\u00e9versible peut servir \u00e0 homog\u00e9n\u00e9iser l\u2019usure \u00e0 l\u2019int\u00e9rieur du broyeur en lui permettant de tourner dans un sens pendant un certain temps, puis dans le sens inverse pour \u00e9galiser l\u2019usure.&#160; Une fois de plus, l\u2019utilisation de cette option d\u00e9pend des besoins de votre usine.<\/p>\n<p>&#160;<\/p>\n<p>Un \u00e9lectricien qualifi\u00e9 sera en mesure de vous conseiller les meilleures options.&#160; Toutefois, il est tr\u00e8s utile que vous ayez une certaine compr\u00e9hension de base de vos besoins, car cela pourra lui faire gagner du temps pour d\u00e9terminer un syst\u00e8me appropri\u00e9 pour votre application.&#160; Pour aider nos clients, nos devis d\u2019\u00e9quipements incluent g\u00e9n\u00e9ralement des d\u00e9marreurs progressifs pour l\u2019extrudeuse et la presse \u00e0 huile, car les moteurs de ces machines sont g\u00e9n\u00e9ralement les plus gros moteurs de l\u2019installation.&#160;N\u2019h\u00e9sitez pas \u00e0 <a href=\"https:\/\/www.insta-pro.com\/fr\/contact\/\">nous contacter<\/a> si vous avez des questions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Les d\u00e9marreurs de moteur sont des appareils simples, mais souvent n\u00e9glig\u00e9s dans les installations d\u2019extrusion.&#160; Un d\u00e9marreur est essentiellement un interrupteur g\u00e9ant qui fournit l\u2019alimentation \u00e9lectrique \u00e0 un moteur.&#160; Plusieurs marques proposent des d\u00e9marreurs de moteur, mais il est important de comprendre leur fonction, afin que vous puissiez prendre les meilleures d\u00e9cisions en ce qui [&hellip;]<\/p>\n","protected":false},"author":68,"featured_media":10690,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7177],"tags":[1575,578],"class_list":["post-9857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ingenierie-maintenance","tag-demarreurs-de-moteur","tag-equipement-durable-et-fiable-fr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>D\u00e9marreurs de moteur<\/title>\n<meta name=\"description\" content=\"Les d\u00e9marreurs de moteur sont des appareils simples, mais souvent n\u00e9glig\u00e9s dans les installations d\u2019extrusion. 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