Research on the Performances and Parameters of Interior PMSM Used for Electric Vehicles

Xiangdong Liu, Hao Chen, Jing Zhao*, Anouar Belahcen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

202 Citations (Scopus)


As a kind of traction device, interior permanent-magnet synchronous machines (IPMSMs) are widely used in modern electric vehicles. This paper performs a design and comparative study of IPMSMs with different rotor topologies (spoke-type PMs, tangential-type PMs, U-shape PMs, and V-shape PMs). The research results indicate that the IPMSM with V-shape PMs is more satisfying with comprehensive consideration. Furthermore, the IPMSM with V-shape PMs is investigated in detail. The influences of geometrical parameters (magnetic bridge and angle between the two V-shape PMs under each pole, etc.) on the performances of V-shape motor are evaluated based on finite-element method (FEM). For accurate research, the effects of saturation, cross-magnetization, and the change in PM flux linkage on d-and q-axis inductances are considered. The back-electromotive force (EMF), flux leakage coefficient, average torque, torque ripple, cogging torque, power per unit volume, power factor, and flux-weakening ability are investigated, respectively. The experimental results verify the validity and accuracy of the process presented in this paper.

Original languageEnglish
Article number7398067
Pages (from-to)3533-3545
Number of pages13
JournalIEEE Transactions on Industrial Electronics
Issue number6
Publication statusPublished - 1 Jun 2016
MoE publication typeA1 Journal article-refereed


  • Flux-weakening ability
  • interior permanentmagnet synchronous machine (IPMSM)
  • rotor topologies

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