Novel Axial Flux-Switching Permanent Magnet Machine for High-Speed Applications

Hongbin Zhang, Zhike Xu, Chenglei Liu, Long Jin, Haitao Yu, Bingxin Xu and Shuhua Fang
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Hongbin Zhang: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Zhike Xu: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Chenglei Liu: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Long Jin: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Haitao Yu: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Bingxin Xu: School of the Electrical Engineering, Southeast University, Nanjing 210096, China
Shuhua Fang: School of the Electrical Engineering, Southeast University, Nanjing 210096, China

Sustainability, 2022, vol. 14, issue 13, 1-17

Abstract: Conventional high-speed flux-switching machines have either a high fundamental frequency or more even harmonics. This paper proposes a novel six-slot four-pole axial flux-switching permanent magnet machine for high-speed applications. The machine, consisting of two radially distributed stators and one rotor, can effectively eliminate even harmonics in the flux linkage. First, the structural parameters that affect the performance of the motor are determined by the equivalent magnetic circuit method, and the optimal structural parameters of the motor are obtained by simulation optimization. Then, through finite element analysis, the three-dimensional model of the proposed machine is built, and the static electromagnetic characteristics are analyzed, including magnetic field distribution, flux linkage, back-electromotive force, cogging torque, and efficiency. The simulation results show that the total harmonic distortion of the flux linkage and back-electromotive force waveforms of the proposed novel machine is 2.2% and 9.8% respectively. The cogging torque of the optimal model is only 9 N.

Keywords: flux-switching permanent magnet machine; dual-stator; even harmonic; finite element analysis; static characteristics (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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