A multipolar SR motor and its application in EV

H. Goto, Y. Suzuki, K. Nakamura, T. Watanabe, H. J. Guo, O. Ichinokura

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


In order to bring out the advanced features of EVs, a direct-drive (DD) with in-wheel (IW) layout has been considered, but it requires more motors than the conventional layout and the motors will be used in a hard environment. Because switched reluctance motors (SRMs) are simple and strong, we have developed a new outer-rotor-type multipolar SRM suitable for DD-IW EVs through simulations and experiments. We have implemented the developed SRMs into a prototype EV. This is the first-ever in-vehicle research to our knowledge; the developing process and the road test results will bring many useful guidelines for future developments.

Original languageEnglish
Pages (from-to)1338-1342
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume290-291 PART 2
Publication statusPublished - 2005 Apr


  • Motors
  • Numerical simulation
  • Saturation magnetization


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