Design and Analysis of a New Dual-Stator Hybrid Magnet Flux Modulation Machine

Author:

Meng Yao1,Yang Xinyu1,Wang Haitao2,Bai Xingzhen1

Affiliation:

1. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao 266590, China

2. School of Electrical and Automation Engineering, Nanjing Normal University, Nanjing 210023, China

Abstract

This paper proposes a new dual-stator hybrid-magnet flux modulation machine (DS-FMHMM) for direct-drive applications, which employs NdFeB magnet excitation and Ferrite magnet excitation on the rotor and outer stator sides, respectively. With this design, the proposed DS-FMHMM can not only fully use the bidirectional flux modulation effect, but also effectively alleviate the magnetic saturation issue. The machine configuration is described, together with the operating principle. Then, the design parameters of DS-FMHMM are globally optimized for obtaining high torque quality, and the influence of magnet dimensions on torque is analyzed. To evaluate the merits of the proposed DS-FMHMM, the electromagnetic performances of machines under different magnet excitation sources are analyzed, and a comprehensive electromagnetic performance comparison of DS-FMHMM and two existing dual-stator flux modulation machines (DSFMMs) is developed.

Funder

National Science Foundation of China

Publisher

MDPI AG

Subject

Control and Optimization,Control and Systems Engineering

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