Optimization of stator design in a consequent-pole type bearingless motor considering magnetic suspension characteristics

Masakazu Nakagawa, Yoshikazu Asano, Akira Mizuguchi, Akira Chiba, Xiao Xuan Che, Masahide Ooshima, Masatsugu Takemoto, Tadashi Fukao, Osamu Ichikawa, David G. Dorrell

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In this paper, a design optimization method for a consequent-pole bearingless motor is presented. This produces stable magnetic suspension under motor torque generation. The suspension force reduction and direction error, which can be caused by torque generation, are limited in the proposed designs. In the optimization routine, the number of suspension and torque winding turns and air-gap length are carefully assessed. Three stators are constructed for experimental verification. The amplitude and direction errors for the suspension force are found to be within acceptable ranges and the operation of the magnetic suspension is acceptable.

Original languageEnglish
Pages (from-to)3422-3424
Number of pages3
JournalIEEE Transactions on Magnetics
Volume42
Issue number10
DOIs
Publication statusPublished - Oct 2006
Externally publishedYes

Keywords

  • Bearingless motor
  • Consequent-pole
  • Magnetic bearing
  • Magnetic suspension

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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    Nakagawa, M., Asano, Y., Mizuguchi, A., Chiba, A., Che, X. X., Ooshima, M., Takemoto, M., Fukao, T., Ichikawa, O., & Dorrell, D. G. (2006). Optimization of stator design in a consequent-pole type bearingless motor considering magnetic suspension characteristics. IEEE Transactions on Magnetics, 42(10), 3422-3424. https://doi.org/10.1109/TMAG.2006.879500