Surface Permanent Magnet Machines: A Comparative Study (4-pole vs. 40-pole motor)

Zhi Cao, Amin Mahmoudi, Solmaz Kahourzade, Wen Soong

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents the comparative study of two permanent-magnet synchronous machines (PMSMs). It investigates the design of two different motors with different pole numbers and explores the pole effect on the performance of parameters. Considered machines in this study are 4-pole and 40-pole SPMMs with same magnet volume on the rotor. Using sizing equations, physical dimensions of the motor are identified, and performance parameter of the motor are extracted via 2D finite-element-analysis. The performance comparison of the machines includes the flux distribution across the geometry, airgap flux density, flux linkage, cogging torque, torque, and motor losses. This comparative study aims to serve useful understanding on the effect of the number of poles on performance of PMSMs for electrical vehicle applications.

Original languageEnglish
Title of host publication9th IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2020
Place of PublicationJaipur, India
PublisherInstitute of Electrical and Electronics Engineers Inc.
Number of pages6
ISBN (Electronic)9781728156729
DOIs
Publication statusPublished - 16 Dec 2020
Event9th IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2020 - Malaviya National Institute of Technology Jaipur, Jaipur, India
Duration: 16 Dec 202019 Dec 2020

Publication series

Name9th IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2020

Conference

Conference9th IEEE International Conference on Power Electronics, Drives and Energy Systems, PEDES 2020
Country/TerritoryIndia
CityJaipur
Period16/12/2019/12/20

Keywords

  • Cogging torque and torque
  • FEMM
  • Flux linkage
  • Machine losses
  • Optimization
  • Performance comparison

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