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Switched reluctance motor with magnetic slot wedges for automotive traction application

Abstract : The switched reluctance motor (SRM) is very attractive because of its many advantages especially in electric vehicle (EV). However, it presents two major drawbacks: torque ripples and stator vibrations. These phenomena are the cause of a disturbing noise. In order to reduce the torque ripples and the radial force (main cause of the stator vibrations), one solution is to add magnetic slot wedges. In this paper, a SRM with wedges is compared to the conventional one including some static and dynamic features. First, field lines, magnetization curves and static torques are discussed. Secondly, torque-speed curves, harmonic analyzes and cartographies with minimum ripples are compared. The last includes several operating points (speed-torque) in steady state.
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01246996
Contributor : Guillaume Krebs <>
Submitted on : Sunday, December 20, 2015 - 10:02:46 PM
Last modification on : Wednesday, September 16, 2020 - 5:48:55 PM

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M'Hamed Belhadi, Guillaume Krebs, Claude Marchand, Hala Hannoun, Xavier Mininger. Switched reluctance motor with magnetic slot wedges for automotive traction application. European Physical Journal: Applied Physics, EDP Sciences, 2015, 72 (3), pp.30901. ⟨10.1051/epjap/2015150390⟩. ⟨hal-01246996⟩

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