{"id":421256,"date":"2023-05-08T17:04:58","date_gmt":"2023-05-08T15:04:58","guid":{"rendered":"https:\/\/www.eenewseurope.com\/?p=421256"},"modified":"2023-05-20T11:25:17","modified_gmt":"2023-05-20T09:25:17","slug":"moteur-synchrone-de-ve-sans-terres-rares","status":"publish","type":"post","link":"https:\/\/www.ecinews.fr\/fr\/moteur-synchrone-de-ve-sans-terres-rares\/","title":{"rendered":"Moteur synchrone de VE sans terres rares"},"content":{"rendered":"

Lors du 44e Vienna Motor Symposium, Vitesco a pr\u00e9sent\u00e9 un moteur de traction qui ne n\u00e9cessite pas de terres rares et a donc le potentiel de contribuer \u00e0 une \u00e9lectromobilit\u00e9 plus durable.<\/span><\/span><\/span><\/h2>\n

Vitesco ajoute une option suppl\u00e9mentaire \u00e0 la quatri\u00e8me g\u00e9n\u00e9ration de sa plate-forme d’entra\u00eenement d’essieu \u00e9lectrique enti\u00e8rement int\u00e9gr\u00e9e (EMR4, Electronics Motor Reducer) dans le cadre de l’ing\u00e9nierie du cycle de vie : dans le cadre du d\u00e9veloppement de la plate-forme, une nouvelle option de rotor sans aimants permanents est d\u00e9sormais propos\u00e9e<\/span><\/span> .<\/span><\/span> Ce rotor constitue le c\u0153ur d’une machine \u00e9lectrique synchrone \u00e0 excitation externe (EESM), pour laquelle les terres rares ne sont plus n\u00e9cessaires.<\/span><\/span> Cela r\u00e9duit les co\u00fbts du rotor et \u00e9limine \u00e9galement l’empreinte CO2 pour l’extraction et le traitement des minerais.<\/span><\/span><\/span><\/p>\n

Jusqu’\u00e0 pr\u00e9sent, les v\u00e9hicules \u00e9lectriques utilisaient principalement des moteurs synchrones \u00e0 aimants permanents dans le rotor (PSM).<\/span><\/span> Ils sont efficaces et \u00e9taient auparavant consid\u00e9r\u00e9s comme plus faciles \u00e0 fabriquer que les machines \u00e0 excitation externe, dans lesquelles des bobines du rotor g\u00e9n\u00e8rent le champ magn\u00e9tique.<\/span><\/span> Vitesco pense d\u00e9sormais avoir surmont\u00e9 l’obstacle d\u00e9cisif dans la conception de machines \u00e0 excitation s\u00e9par\u00e9e : gr\u00e2ce \u00e0 des modifications de conception cibl\u00e9es, il a \u00e9t\u00e9 possible d’atteindre la m\u00eame classe de performances pour les deux technologies (EESM et PSM) – et d’utiliser le m\u00eame espace d’installation disponible pour<\/span><\/span> les deux possibilit\u00e9s.<\/span><\/span> En combinaison avec une technologie d’enroulement sophistiqu\u00e9e, le rotor EESM innovant devient ainsi une option \u00e9conomique pour la derni\u00e8re plate-forme d’entra\u00eenement.<\/span><\/span> Surtout lorsque les exigences de puissance \u00e9lev\u00e9es exigent de grandes masses magn\u00e9tiques dans le PSM, les machines EESM sont moins ch\u00e8res et plus durables.<\/span><\/span><\/span><\/p>\n

\u00ab\u00a0Bien s\u00fbr, l’option EESM n\u00e9cessite un module suppl\u00e9mentaire dans l’onduleur pour contr\u00f4ler les bobines\u00a0\u00bb, explique Gerd R\u00f6sel, responsable de l’innovation dans la division des solutions d’\u00e9lectrification chez Vitesco Technologies.<\/span><\/span> \u00ab\u00a0N\u00e9anmoins, nous sommes tr\u00e8s proches d’une solution EESM plug-and-play.\u00a0\u00bb<\/span><\/span> Outre les \u00e9conomies de co\u00fbts pour les aimants permanents, une plus grande s\u00e9curit\u00e9 d’approvisionnement et une plus grande durabilit\u00e9, ce type de machine pr\u00e9sente d’autres avantages : \u00ab\u00a0Lorsque le v\u00e9hicule roule de mani\u00e8re \u00e9conome en \u00e9nergie, la machine \u00e0 excitation externe \u00e9conomise un wattheure d’\u00e9lectricit\u00e9<\/span><\/span> par kilom\u00e8tre, puisqu’il n’y a pas de champ magn\u00e9tique permanent qui freine le rotor \u00bb, poursuit R\u00f6sel, \u00ab r\u00e9duisant ainsi la puissance requise de l’entra\u00eenement de jusqu’\u00e0 5 % – et cela sans embrayage m\u00e9canique.<\/span><\/span> <\/span><\/p>\n

La technologie pr\u00e9sent\u00e9e est adapt\u00e9e aux entra\u00eenements principaux et auxiliaires\u00a0;<\/span><\/span> cela peut \u00e9galement offrir d’autres avantages en termes de performances, selon la soci\u00e9t\u00e9.<\/span><\/span><\/span><\/p>\n

\u00a0<\/p>\n

www.vitesco-technologies.com<\/a><\/p>\n

Related articles:<\/p>\n

Vitesco rolls new generation of electric axle drive<\/a><\/p>\n

Renault, partners develop new generation of electric motors<\/a><\/p>\n

Interview: Vitesco prepares for jump to SiC, GaN<\/a><\/p>\n

ZF starts series production of CeTrax light truck drivetrain<\/a><\/p>\n

BMW, Continental invest in innovative electric motor technology<\/a><\/p>\n

Nidec\u2019s 2nd<\/sup>-gen EV traction motor enters mass production<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Machine synchrone \u00e0 excitation externe au lieu d’aimants permanents<\/p>\n","protected":false},"author":8,"featured_media":420907,"comment_status":"closed","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[883],"tags":[3260,2741],"domains":[47],"ppma_author":[1140],"class_list":["post-421256","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologies","tag-moteurs-electriques","tag-ve","domains-electronique-eci"],"acf":[],"yoast_head":"Moteur synchrone de VE sans terres rares ...<\/title>\n<meta name=\"description\" content=\"La machine synchrone \u00e0 excitation externe au lieu d'aimants permanents \u00e9vite l'utilisation de terres rares et am\u00e9liore le rendement.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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