A new magnetic-field modulated machine with compound-structure magnets of spoke PMs and Halbach PMs

Author:

Bian Fangfang1ORCID,Ke Caifei1ORCID,Su Jie1,Li Miao1ORCID

Affiliation:

1. School of Electrical and Information Engineering, Zhong yuan University of Technology , Zhengzhou 450007, China

Abstract

To increase the airgap flux density, this paper proposes a new magnetic-field-modulated permanent magnet (FMPM) machine. The proposed FMPM machine has the compound magnets in the rotor, which is composited by the spoke PMs (SPM) and Halbach PMs (HPM). The proposed SH-FMPM machine facilitates better use of space for armature winding and PMs and combines the benefits of high torque density and high torque/loss. The formation process, operation principle, and electromagnetic performance of the SH-FMPM machine are introduced. It is demonstrated that the SH-FMPM machine has the high torque density and low torque ripple compared to the S-FMPM machine and the H-FMPM machine.

Funder

Henan Provincial Science and Technology Research Project

Fundamental Research Funds of Zhongyuan University of Technology

Training Plan for Young Master Tutors of Disciplines of Zhongyuan University of Technology

Publisher

AIP Publishing

Subject

General Physics and Astronomy

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