4.4 Article Proceedings Paper

New rotor shape design for minimum torque ripple of SRM using FEM

Journal

IEEE TRANSACTIONS ON MAGNETICS
Volume 40, Issue 2, Pages 754-757

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMAG.2004.824803

Keywords

rotor tooth shape; switched reluctance motor; torque tipple

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A major problem of switched reluctance motors (SRMs) is torque ripple, which causes undesirable acoustic noise and vibration. It is caused by the saliency of the stator and rotor. In this paper, the geometry for low torque ripple is researched and a motor having notched teeth is proposed. Its characteristics are simulated by finite-element method (FEM) analysis and compared with SRMs having conventional shape.

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