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A Novel Two-Phase Excitation Switched Reluctance Motor With Symetrical Winding Distribution

Two-phase simultaneous excitation mode of the switched reluctance motor (SRM) has been shown to effectively improve the average torque output of electric vehicles compared to traditional single-phase excitation mode. But the torque ripple of the two-phase excitation SRM with traditional winding distribution increases because of the inconsistent electromagnetic field. In order to reduce the torque ripple, a two-phase excitation 8/6 SRM with novel winding distribution is proposed in this paper. The torques generated by various magnetic circuits are analyzed and obtained to verify the torque increase. Finally, a prototype of the novel SRM is manufactured and an experiment for measuring the SRM electromagnetic characteristics is designed based on the novel mode, and the comparison results show that the proposed excitation mode is effective.