Evaluation of a switched reluctance motor with magnetic slot wedges

The switched reluctance motor is a good candidate for electrical traction and more specifically in automotive applications. The conventional switched reluctance motor presents two major drawbacks which are torque ripple and stator vibrations. In this work, a solution to limit these problems is propo...

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Bibliographic Details
Published in2014 International Conference on Electrical Machines (ICEM) pp. 150 - 155
Main Authors Belhadi, M., Krebs, G., Marchand, C., Hannoun, H., Mininger, X.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2014
Subjects
Automotive traction
Force
Harmonic analysis
magneto-static force
Reluctance motors
Sonogram
Stators
switched reluctance motor
Torque
torque ripples
vibrations
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Summary:The switched reluctance motor is a good candidate for electrical traction and more specifically in automotive applications. The conventional switched reluctance motor presents two major drawbacks which are torque ripple and stator vibrations. In this work, a solution to limit these problems is proposed: a switched reluctance motor with magnetic slot wedges is used to reduce the impact of vibrations through the analysis of the radial forces applied on the stator teeth, and their harmonic content. Indeed, these forces cause an undesirable vibro-acoustic behavior. In addition, it is shown that the proposed design allows the reduction of torque ripple which are the cause of power-train vibrations.
DOI:10.1109/ICELMACH.2014.6960173