High-Power-Factor Vernier Permanent-Magnet Machines

  title={High-Power-Factor Vernier Permanent-Magnet Machines},
  author={Dawei Li and Ronghai Qu and Thomas A. Lipo},
  journal={2013 IEEE Energy Conversion Congress and Exposition},
Vernier permanent-magnet (VPM) machines are well known for high torque density but low power factor. This paper deals with the low power factor of VPM machines. The goal is not obtained by reducing the electrical loading or adjusting current advance angle but by proposing a novel vernier topology, i.e., a dual-stator spoke-array (DSSA) VPM topology. In this paper, the characteristics of the DSSA VPM topology, such as active part, auxiliary mechanical structure, and rotor anisotropy, are… CONTINUE READING
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