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Design and Comparison of Six-Phase Fault-Tolerant Interior Permanent Magnet Motor and Surface-Mounted Permanent Magnet Motor for Electric Vehicles

  • Beihang University

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

Abstract

In this paper, we design and investigate the six-phase in-wheel fault-tolerant surface-mounted permanent magnet motor (SPM) and interior permanent synchronous motor (IPM) for electric vehicles (EVs) application. Firstly, the stator of the motor is designed based on the anti-short-circuit method and the main design parameters of both motors are listed. Then the electromagnetic performance and the motor loss of both motors are analyzed by finite-element analysis (FEA). In addition, the thermal analysis is conducted by utilizing Motor-CAD, which shows that both SPM and IPM encounter with magnet overheating problems. Therefore, the magnet segmentation basing on the skin depths calculation is adopted to reduce the eddy-current loss. Meanwhile, the thermal performance of both motors with non-segmented and segmented magnets under different working conditions are presented. Finally, the optimized model is achieved through the comparison between the two types of fault-tolerant permanent magnet synchronous motors (FTPMSM).

Original languageEnglish
Title of host publicationICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages120-125
Number of pages6
ISBN (Electronic)9788986510201
DOIs
StatePublished - 27 Nov 2018
Event21st International Conference on Electrical Machines and Systems, ICEMS 2018 - Jeju, Korea, Republic of
Duration: 7 Oct 201810 Oct 2018

Publication series

NameICEMS 2018 - 2018 21st International Conference on Electrical Machines and Systems

Conference

Conference21st International Conference on Electrical Machines and Systems, ICEMS 2018
Country/TerritoryKorea, Republic of
CityJeju
Period7/10/1810/10/18

Keywords

  • IPM
  • SPM
  • fault-tolerant
  • in-wheel motor
  • thermal analysis

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