Study on the influence of rotor slotting and pole shoe on the output performance of permanent magnet assisted reluctance motor

Wei Xie; Chaozhi Huang; Jinfeng Duan; Yuliang Wu

doi:10.1117/12.2619328

29 November 2021 Study on the influence of rotor slotting and pole shoe on the output performance of permanent magnet assisted reluctance motor

Wei Xie, Chaozhi Huang, Jinfeng Duan, Yuliang Wu

Author Affiliations +

Proceedings Volume 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021); 1208020 (2021) https://doi.org/10.1117/12.2619328
Event: 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 2021, Nanchang, China

Abstract

Compared with the traditional switched reluctance motor (SRM), the permanent magnet assisted reluctance motor (PMa-RM) has higher power density and efficiency, and larger torque ampere-ratio, but also it has larger radial force and torque ripple, resulting in greater vibration, which limits its application in more fields. Firstly, the principle of the PMa-RM to suppress the radial force and torque ripple is analysed in this paper; Secondly, a rectangular slot is set at the top of the rotor of the initial model, and the depth and width of the slot are analysed to obtain the optimized size of slot. Thirdly, a pole shoe is added to one side of the rotor, and the angle and height of the pole shoe are analysed to obtain the optimized size of the pole shoe. Finally, the proposed model with a slot at the top of rotor and a pole shoe at one side of rotor is simulated. The simulation results show that the torque ripple of the proposed model is reduced by 13.35% when the average torque is reduced by 26.22%, compared with the initial model. The radial force peak of the three-phase windings of the proposed model decreases by 25.61%, 21.34% and 27.56%, respectively, at the moment when the winding is turned off.

Citation Download Citation

Wei Xie, Chaozhi Huang, Jinfeng Duan, and Yuliang Wu "Study on the influence of rotor slotting and pole shoe on the output performance of permanent magnet assisted reluctance motor", Proc. SPIE 12080, 4th International Symposium on Power Electronics and Control Engineering (ISPECE 2021), 1208020 (29 November 2021); https://doi.org/10.1117/12.2619328

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