Comparative Study of Modular-Stator and Conventional Outer-Rotor Flux-Switching Permanent-Magnet Motors

  • Jing Zhao
  • , Wenqi Fu
  • , Yun Zheng
  • , Zhen Chen*
  • , Yonggui Wang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

This paper presents the comparative studies of two permanent magnet (PM) motors, which are modular-stator outer-rotor flux-switching permanent-magnet (MSOR-FSPM) motor and conventional outer-rotor flux-switching permanent-magnet (COR-FSPM) motor. The differences in structure and design principles between the two types are compared. Then, a 2D finite element method (FEM) is used to analyze the basic electromagnetic performances. The magnetic field distribution, no-load back-EMF, cogging torque, and electromagnetic torque are presented and compared. Furthermore, a comprehensive comparison of the motor performances which are important for electric vehicles is investigated. The theoretical analysis and FEM results predict that the MSOR-FSPM motor has superior capability compared to that of the COR-FSPM motor, including fault tolerance capability, and field weakening capability.

Original languageEnglish
Article number6287639
Pages (from-to)38297-38305
Number of pages9
JournalIEEE Access
Volume7
DOIs
Publication statusPublished - 2019

Keywords

  • Electric vehicles (EVs)
  • flux-switching
  • modular-stator
  • outer-rotor
  • permanent-magnet motor

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