{"id":4684,"date":"2022-12-16T05:11:16","date_gmt":"2022-12-16T05:11:16","guid":{"rendered":"https:\/\/doncenmotor.com\/?p=4684"},"modified":"2025-03-12T08:14:01","modified_gmt":"2025-03-12T08:14:01","slug":"outrunner-brushless-motors-vs-inner-brushless-motors","status":"publish","type":"post","link":"https:\/\/doncenmotor.com\/fr\/outrunner-brushless-motors-vs-inner-brushless-motors\/","title":{"rendered":"Moteurs sans balais \u00e0 rotor externe vs moteurs sans balais internes"},"content":{"rendered":"<h2 class=\"wp-block-heading\">1. Qu&#039;est-ce qu&#039;un moteur brushless \u00e0 rotor externe ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Le<a href=\"https:\/\/doncenmotor.com\/fr\/2023-outrunner-bldc-motor-guide\/\"> moteur BLDC \u00e0 rotor ext\u00e9rieur<\/a> Il s&#039;agit d&#039;un moteur synchrone \u00e0 aimants permanents sp\u00e9cialement con\u00e7u. Contrairement au moteur \u00e0 courant continu sans balais, le rotor d&#039;un moteur sans balais \u00e0 rotor externe est constitu\u00e9 d&#039;un carter reli\u00e9 \u00e0 des aimants permanents. Cette structure est totalement oppos\u00e9e \u00e0 celle du stator et du rotor d&#039;un moteur sans balais \u00e0 rotor interne.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-1024x576.jpg\" alt=\"\" class=\"wp-image-7680\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-1024x576.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-300x169.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-768x432.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-1536x864.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-1200x675.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c-600x338.jpg 600w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/\u5916\u8f6c\u5b50\u7206\u70b8\u900f\u89c6\u7248\u672c.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Structure de base du moteur BLDC \u00e0 rotor externe<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">2. Quelles sont les diff\u00e9rences entre un moteur sans balais \u00e0 rotor externe et un moteur sans balais interne.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">En raison de <strong>diff\u00e9rentes structures m\u00e9caniques<\/strong>, <strong>moteurs sans balais \u00e0 rotor ext\u00e9rieur<\/strong> et <strong>moteurs sans balais \u00e0 rotor interne<\/strong> sont adapt\u00e9s pour <strong>diff\u00e9rents domaines d&#039;application<\/strong>. Choisir le bon <strong>moteur sans balais<\/strong> d\u00e9pend de divers facteurs, notamment des exigences de performances et des sc\u00e9narios d\u2019application.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Doncen Motor<\/strong> fournit \u00e0 la fois <strong>moteurs \u00e0 rotor interne sans balais de haute qualit\u00e9<\/strong> et <strong>moteurs \u00e0 rotor ext\u00e9rieur sans balais<\/strong>Pour aider les clients \u00e0 faire le meilleur choix, notre \u00e9quipe a d\u00e9crit les \u00e9l\u00e9ments suivants <strong>diff\u00e9rences fondamentales<\/strong> pour aider \u00e0 s\u00e9lectionner le plus appropri\u00e9 <strong>moteur sans balais<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Moteur BLDC \u00e0 rotor externe vs moteur BLDC interne<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Bien que les deux soient <strong>moteurs \u00e0 courant continu sans balais<\/strong>La technologie des moteurs \u00e0 rotor interne est plus avanc\u00e9e et mature, tandis que celle des moteurs \u00e0 rotor externe est encore en pleine expansion.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-1024x683.jpg\" alt=\"\" class=\"wp-image-8294\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-1024x683.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-300x200.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-768x512.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-1536x1024.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-2048x1365.jpg 2048w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-1200x800.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/IMG_8370-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Moteur BLDC interne<\/em><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-1024x683.jpg\" alt=\"\" class=\"wp-image-7357\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-1024x683.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-300x200.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-768x512.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-1536x1024.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/12\/Outrunner-BLDC-Motor-2048x1365.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Moteur BLDC \u00e0 rotor ext\u00e9rieur<\/em><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2.1. Comparaison des structures m\u00e9caniques<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La diff\u00e9rence entre le moteur sans balais \u00e0 rotor interne et le moteur sans balais \u00e0 rotor externe r\u00e9side essentiellement dans la conception m\u00e9canique.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Moteur sans balais \u00e0 rotor ext\u00e9rieur<\/h4>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <style>\n        @import url('https:\/\/fonts.googleapis.com\/css2?family=Geist:wght@400;600&display=swap');\n\n        body {\n            font-family: 'Geist', sans-serif;\n            font-size: 16px;\n            line-height: 2.5;\n        }\n    <\/style>\n<\/head>\n<body>\n\n    <ul>\n        <li>Le bo\u00eetier ext\u00e9rieur tourne, tandis que le stator interne reste fixe.<\/li>\n        <li>Les aimants sont fix\u00e9s au bo\u00eetier ext\u00e9rieur et les bobines sont positionn\u00e9es \u00e0 l&#039;int\u00e9rieur du moteur.<\/li>\n        <li>En raison du diam\u00e8tre plus grand du rotor, il offre une inertie plus \u00e9lev\u00e9e, ce qui contribue \u00e0 un fonctionnement plus fluide \u00e0 basse vitesse.<\/li>\n    <\/ul>\n\n<\/body>\n<\/html>\n\n\n\n<ul class=\"wp-block-list\">\n<li><\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-1024x683.jpg\" alt=\"\" class=\"wp-image-8848\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-1024x683.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-300x200.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-768x512.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-1536x1024.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-2048x1366.jpg 2048w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-1200x800.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8358-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-1024x683.jpg\" alt=\"\" class=\"wp-image-8847\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-1024x683.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-300x200.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-768x512.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-1536x1024.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-2048x1366.jpg 2048w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-1200x800.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2023\/05\/IMG_8357-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Moteur sans balais \u00e0 rotor interne<\/h4>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <style>\n        @import url('https:\/\/fonts.googleapis.com\/css2?family=Geist:wght@400;600&display=swap');\n\n        body {\n            font-family: 'Geist', sans-serif;\n            font-size: 16px;\n            line-height: 2.5;\n        }\n    <\/style>\n<\/head>\n<body>\n\n    <ul>\n        <li>L&#039;arbre central tourne, tandis que le stator ext\u00e9rieur reste fixe.<\/li>\n        <li>Les aimants sont fix\u00e9s \u00e0 l&#039;arbre rotatif, tandis que les bobines entourent le rotor.<\/li>\n        <li>Avec un diam\u00e8tre de rotor plus petit, il offre une inertie plus faible, permettant une acc\u00e9l\u00e9ration plus rapide et un fonctionnement \u00e0 vitesse plus \u00e9lev\u00e9e.<\/li>\n    <\/ul>\n\n<\/body>\n<\/html>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-1024x576.jpg\" alt=\"BLDC MOTOR Diagram\" class=\"wp-image-7677\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-1024x576.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-300x169.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-768x432.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-1536x864.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-1200x675.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1-600x338.jpg 600w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2025\/01\/BLDC-Motor-\u7206\u70b8\u56fe1.jpg 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>Structure de base du moteur BLDC interne<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">2.2 : Taille physique<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">En raison des diff\u00e9rentes structures, nous pouvons voir que le moteur BLDC \u00e0 rotor externe et le moteur BLDC interne ont des tailles physiques diff\u00e9rentes.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Comparaison<\/strong><\/th><th><strong>Moteur BLDC \u00e0 rotor ext\u00e9rieur<\/strong><\/th><th><strong>Moteur BLDC interne<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Taille radiale (diam\u00e8tre)<\/strong><\/td><td>Diam\u00e8tre plus grand car le rotor s&#039;enroule autour du stator.<\/td><td>Conception plus compacte car le stator entoure le rotor.<\/td><\/tr><tr><td><strong>Taille axiale (longueur)<\/strong><\/td><td>Longueur axiale plus courte en raison de la disposition circulaire de l&#039;aimant.<\/td><td>Longueur axiale plus longue pour accueillir des circuits magn\u00e9tiques axiaux.<\/td><\/tr><tr><td><strong>R\u00e9partition du poids et inertie<\/strong><\/td><td>La masse est concentr\u00e9e dans le rotor ext\u00e9rieur, ce qui conduit \u00e0 <strong>inertie plus \u00e9lev\u00e9e<\/strong> <\/td><td>La masse est centr\u00e9e autour de l&#039;arbre, ce qui entra\u00eene <strong>inertie plus faible<\/strong> <\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.3. R\u00e9gime et couple <\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Vitesse (tr\/min)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Moteurs \u00e0 rotor ext\u00e9rieur<\/strong> avoir <strong>r\u00e9gime inf\u00e9rieur<\/strong> en raison de leur plus grande taille et de leur plus grande inertie.<\/li>\n\n\n\n<li><strong>Moteurs \u00e0 rotor interne<\/strong> peut atteindre <strong>plus de 50 000 tr\/min<\/strong>, car ils ont un rotor plus petit, plus l\u00e9ger et avec une inertie plus faible.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Couple de sortie<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Moteurs \u00e0 rotor ext\u00e9rieur<\/strong> livrer <strong>couple plus \u00e9lev\u00e9 \u00e0 bas r\u00e9gime<\/strong>.<\/li>\n\n\n\n<li><strong>Moteurs \u00e0 rotor interne<\/strong> produire <strong>moins de couple mais fonctionnent \u00e0 des vitesses plus \u00e9lev\u00e9es<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Acc\u00e9l\u00e9ration et r\u00e9ponse<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Moteurs \u00e0 rotor ext\u00e9rieur<\/strong> avoir <strong>inertie plus \u00e9lev\u00e9e<\/strong>, signification <strong>acc\u00e9l\u00e9ration et freinage plus lents<\/strong>.<\/li>\n\n\n\n<li><strong>Moteurs \u00e0 rotor interne<\/strong> r\u00e9pondre <strong>plus rapide<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 : Dissipation de la chaleur<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Moteurs \u00e0 rotor ext\u00e9rieur \u2013 Meilleur refroidissement<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le rotor est expos\u00e9 \u00e0 l\u2019air, permettant une meilleure convection naturelle.<\/li>\n\n\n\n<li>La coque ext\u00e9rieure rotative cr\u00e9e un flux d&#039;air, aidant \u00e0 dissiper la chaleur plus efficacement.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Moteurs \u00e0 rotor interne \u2013 Refroidissement limit\u00e9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le stator est enferm\u00e9 \u00e0 l&#039;int\u00e9rieur du bo\u00eetier du moteur, emprisonnant ainsi davantage de chaleur.<\/li>\n\n\n\n<li>N\u00e9cessite des dissipateurs thermiques, des ventilateurs ou un refroidissement liquide pour une dissipation efficace de la chaleur.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. Comment choisir un moteur BLDC \u00e0 rotor externe ou un moteur BLDC interne ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Fonctionnalit\u00e9<\/strong><\/th><th><strong>Moteur sans balais \u00e0 rotor ext\u00e9rieur<\/strong><\/th><th><strong>Moteur sans balais \u00e0 rotor interne<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Longueur<\/strong><\/td><td><strong>Plus court<\/strong> \u2013 Conception axiale compacte, plate<\/td><td><strong>Plus long<\/strong> \u2013 N\u00e9cessite plus d\u2019espace axial <\/td><\/tr><tr><td><strong>Largeur (diam\u00e8tre)<\/strong><\/td><td><strong>Plus grand<\/strong> \u2013 Le rotor s&#039;enroule autour du stator<\/td><td><strong>Plus petit<\/strong> \u2013 Le stator entoure le rotor<\/td><\/tr><tr><td><strong>Couple<\/strong><\/td><td><strong>Plus \u00e9lev\u00e9 \u00e0 basse vitesse<\/strong> \u2013 Un diam\u00e8tre de rotor plus grand offre un meilleur effet de levier.<\/td><td><strong>Plus bas \u00e0 la m\u00eame taille<\/strong> \u2013 Un rotor plus petit signifie moins d\u2019avantage m\u00e9canique.<\/td><\/tr><tr><td><strong>Vitesse (tr\/min)<\/strong><\/td><td><strong>Inf\u00e9rieur<\/strong> \u2013 Faible KV <\/td><td><strong>Plus haut<\/strong> \u2013 conception \u00e0 grande vitesse<\/td><\/tr><tr><td><strong>Refroidissement (dissipation de chaleur)<\/strong><\/td><td><strong>Mieux<\/strong> \u2013 La structure ouverte et la coque rotative am\u00e9liorent la circulation de l\u2019air.<\/td><td><strong>Pire<\/strong> \u2013 La chaleur est emprisonn\u00e9e \u00e0 l\u2019int\u00e9rieur <\/td><\/tr><tr><td><strong>Poids<\/strong><\/td><td>Moyen<\/td><td>Moyen<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">4. Moteur BLDC \u00e0 rotor externe MX33 vs moteur BLDC interne BL42<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Afin de v\u00e9rifier notre th\u00e9orie, nous fournissons ici une comparaison de deux moteurs BLDC \u00e0 rotor externe et moteur BLDC interne du m\u00eame diam\u00e8tre, le <strong>S\u00e9rie MX33<\/strong> et le <strong>S\u00e9rie BL42<\/strong>. Une telle comparaison de donn\u00e9es sera <strong>plus intuitif.<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"879\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-1024x879.jpg\" alt=\"\" class=\"wp-image-8507\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-1024x879.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-300x258.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-768x659.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-1536x1319.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-1200x1030.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123-600x515.jpg 600w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/11\/MX33-1-scaled-e1740470015123.jpg 1988w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\"><em>MX33<\/em><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/doncenmotor.com\/fr\/bl4259\/\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-1024x683.jpg\" alt=\"BL4259\" class=\"wp-image-8271\" style=\"aspect-ratio:4\/3;object-fit:cover\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-1024x683.jpg 1024w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-300x200.jpg 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-768x512.jpg 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-1536x1024.jpg 1536w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-2048x1365.jpg 2048w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-1200x800.jpg 1200w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/IMG_8230-600x400.jpg 600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em><a href=\"https:\/\/doncenmotor.com\/fr\/bl4259\/\">BL42<\/a><\/em><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4.1 Diff\u00e9rence de taille<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Avec le m\u00eame diam\u00e8tre, la longueur de la s\u00e9rie MX33 peut \u00eatre de 32 mm, tandis que la longueur du BL4259 est de 59 mm.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1002\" height=\"335\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/07\/MX3310KV125HA_00.png\" alt=\"\" class=\"wp-image-4446\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/07\/MX3310KV125HA_00.png 1002w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/07\/MX3310KV125HA_00-300x100.png 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2022\/07\/MX3310KV125HA_00-768x257.png 768w\" sizes=\"auto, (max-width: 1002px) 100vw, 1002px\" \/><figcaption class=\"wp-element-caption\"><em>MX33 \u2013 DESSIN DES TAILLES<\/em><\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"938\" height=\"332\" src=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/BLDC4259-1_00.png\" alt=\"\" class=\"wp-image-8660\" srcset=\"https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/BLDC4259-1_00.png 938w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/BLDC4259-1_00-300x106.png 300w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/BLDC4259-1_00-768x272.png 768w, https:\/\/doncenmotor.com\/wp-content\/uploads\/2024\/01\/BLDC4259-1_00-600x212.png 600w\" sizes=\"auto, (max-width: 938px) 100vw, 938px\" \/><figcaption class=\"wp-element-caption\"><em>DESSIN DES TAILLES BLDC 4259<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">4,2 Diff\u00e9rence de r\u00e9gime et de couple entre le moteur BLDC \u00e0 rotor externe et le moteur BLDC \u00e0 rotor interne<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pour cette comparaison, nous avons choisi le m\u00eame <strong>tension de 24V<\/strong> Pour les tests. Afin d&#039;assurer un certain degr\u00e9 de comparabilit\u00e9, nous avons choisi deux moteurs avec des vitesses \u00e0 vide similaires, d&#039;environ <strong>24V5000 tr\/min \u00e0 titre de comparaison<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Param\u00e8tre<\/strong><\/th><th><strong>MX33KV200<\/strong><\/th><th><strong>BL4259<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Tension (V)<\/strong><\/td><td>24 V<\/td><td>24 V<\/td><\/tr><tr><td><strong>Vitesse \u00e0 vide (tr\/min)<\/strong><\/td><td>4800 tr\/min<\/td><td>5000 tr\/min<\/td><\/tr><tr><td><strong>Vitesse nominale (tr\/min)<\/strong><\/td><td>3400 tr\/min<\/td><td>4031 tr\/min<\/td><\/tr><tr><td><strong>Couple nominal (Nm)<\/strong><\/td><td>0,18 Nm<\/td><td>0,035 Nm<\/td><\/tr><tr><td><strong>Couple de d\u00e9crochage (Nm)<\/strong><\/td><td>0,40 Nm<\/td><td>0,14 Nm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">4.3. Guide de s\u00e9lection des moteurs BLDC \u00e0 rotor externe et des moteurs BLDC \u00e0 rotor interne<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Param\u00e8tre<\/strong><\/th><th>Moteur BLDC \u00e0 rotor ext\u00e9rieur<\/th><th>BLDC interne<\/th><th><strong>Remarques<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Longueur<\/strong><\/td><td>Conception plate<\/td><td>Plus long<\/td><td><\/td><\/tr><tr><td><strong>Largeur\/Diam\u00e8tre<\/strong><\/td><td>Grand<\/td><td>Moyen<\/td><td><\/td><\/tr><tr><td><strong>Pouvoir<\/strong><\/td><td>Grand<\/td><td>Moyen<\/td><td><\/td><\/tr><tr><td><strong>Couple<\/strong><\/td><td>++++<\/td><td>++<\/td><td><\/td><\/tr><tr><td><strong>Vitesse (tr\/min)<\/strong><\/td><td>Basse vitesse<\/td><td>Grande vitesse<\/td><td><\/td><\/tr><tr><td><strong>Prix<\/strong><\/td><td>Haut<\/td><td>Moyen<\/td><td><\/td><\/tr><tr><td><strong>Dur\u00e9e de vie<\/strong><\/td><td>+++++<\/td><td>+++++<\/td><td><\/td><\/tr><tr><td><strong>Dissipation de la chaleur<\/strong><\/td><td>++++<\/td><td>++<\/td><td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-white-color has-luminous-vivid-orange-background-color has-text-color has-background has-link-color wp-elements-94df712fc79ae3063152544eff62e9d5 wp-block-paragraph\">Attention\u00a0: La comparaison ci-dessus concerne uniquement la gamme de produits DONCEN MOTOR. Les normes varient selon la conception des produits. Pour toute question concernant les param\u00e8tres sp\u00e9cifiques du moteur, veuillez consulter notre \u00e9quipe d&#039;ing\u00e9nieurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Qu&#039;est-ce qu&#039;un moteur brushless \u00e0 rotor externe\u00a0? Le moteur brushless \u00e0 rotor externe est un moteur synchrone \u00e0 aimants permanents sp\u00e9cialement con\u00e7u. Contrairement au moteur brushless \u00e0 courant continu, son rotor est constitu\u00e9 d&#039;un carter reli\u00e9 \u00e0 des aimants permanents. Cette structure est totalement oppos\u00e9e \u00e0 celle du stator et du rotor du rotor interne [\u2026]<\/p>","protected":false},"author":1,"featured_media":6751,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-motors-knowledfge"],"acf":[],"_links":{"self":[{"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/posts\/4684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/comments?post=4684"}],"version-history":[{"count":10,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/posts\/4684\/revisions"}],"predecessor-version":[{"id":8909,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/posts\/4684\/revisions\/8909"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/media\/6751"}],"wp:attachment":[{"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/media?parent=4684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/categories?post=4684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/doncenmotor.com\/fr\/wp-json\/wp\/v2\/tags?post=4684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}