Dual rotor flux switching permanent magnet machines with phase-group concentrated-coil windings for high performance
- Authors
- Zhao, Wenliang; Kwon, Byung-Il
- Issue Date
- Dec-2016
- Publisher
- IOS PRESS
- Keywords
- Cogging torque; dual rotor; finite element method; flux switching permanent magnet machine; phase-group concentrated-coil windings; torque density; torque ripple
- Citation
- INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS, v.52, no.1-2, pp.599 - 607
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF APPLIED ELECTROMAGNETICS AND MECHANICS
- Volume
- 52
- Number
- 1-2
- Start Page
- 599
- End Page
- 607
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/16086
- DOI
- 10.3233/JAE-162068
- ISSN
- 1383-5416
- Abstract
- This paper proposes a novel dual rotor radial field flux switching permanent magnet machine (FSPMM) with phase-group concentrated-coil (PGCC) windings and two misaligned rotors to obtain high performance, including high torque density and low cogging torque, as well as low torque ripple. The proposed FSPMM features a new combination of stator slots and rotor poles, which is determined by the winding configurations. The PGCC windings are adopted to obtain a unity displacement winding factor, and enhance the flux focusing effects together with the use of spoke-type PM constructions. The unaligned arrangement of two rotors will help to not only achieve further flux magnification by an alternate operating principle for PM flux concentration, but also suppress the cogging torque. To highlight the advantages of the proposed FSPMM, two conventional FSPMMs with typical machine configurations having concentrated windings are adopted for performance comparison based on a finite element method (FEM) using JMAG-Designer.
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