Electromagnetic Performance Analysis of Dual-Three-Phase Dual-Rotor Flux-Switching Permanent Magnet Machines

Yizhi Chen, Guishu Zhao (), Zhengliang Li (), Zhe Chang, Shuye Ding and Yuheng Zhou
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Yizhi Chen: NARI Technology Co., Ltd., Nanjing 211106, China
Guishu Zhao: School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China
Zhengliang Li: School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China
Zhe Chang: School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China
Shuye Ding: School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China
Yuheng Zhou: School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210046, China

Energies, 2024, vol. 17, issue 9, 1-15

Abstract: In this paper, a novel dual-three-phase dual-rotor flux-switching permanent magnet (PM) (DRFSPM) machine, building upon conventional FSPM machines, is proposed, where the stator is equipped with dual PMs and dual armature windings, enabling it to operate in various working modes and provide fault tolerance in the event of PM or armature winding faults. Depending on the magnetization directions of the PMs, the proposed DRFSPM machine’s structure can be categorized as 6N-DRFSPM or NS-DRFSPM. In order to assess the electromagnetic performance of the proposed DRFSPM machines with two different magnetizing modes, the topology and operating principle of the two DRFSPM machines are introduced first. Then, the no-load air-gap flux density of the two proposed machines is investigated for a more optimized and purposeful design. Finally, a comparison of the electromagnetic performance between the two proposed DRFSPM machines is conducted by finite-element analysis (FEA), and the FEA-predicted results indicate that the proposed 6N-DRFSPM machine outperforms the NS-DRFSPM machine, as it exhibits a larger back-EMF and average torque and a smaller cogging torque and torque ripple.

Keywords: dual PMs; dual winding; dual three-phase; magnetizing modes; flux switching; performance comparison (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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