Flux-Switching Permanent Magnet Machines: A Review of Opportunities and Challenges-Part I: Fundamentals and Topologies

Flux-switching permanent magnet (FSPM) machines have been gaining interest over the last few decades. This is due to the several advantages that this type of machines provides. These advantages include high torque density due to the flux-focusing effects, favorable thermal management due to the loca...

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Bibliographic Details
Published in:IEEE transactions on energy conversion 2020-06, Vol.35 (2), p.684-698
Main Authors: Chen, Hao, EL-Refaie, Ayman M., Demerdash, Nabeel A. O.
Format: Article
Language:English
Subjects:
Air gaps
Analytical models
Density
Fault tolerance
Flux
flux-switching
flux-weakening
Harmonic analysis
operating principle
permanent magnet
Permanent magnets
Rotors
Stator windings
Switching
Thermal management
Topology
Torque
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Summary:Flux-switching permanent magnet (FSPM) machines have been gaining interest over the last few decades. This is due to the several advantages that this type of machines provides. These advantages include high torque density due to the flux-focusing effects, favorable thermal management due to the location of PMs on the stator, passive and hence robust rotor structure which is suitable for high-speed applications, etc. The two-part companion articles are going to provide a comprehensive analysis of FSPM machines in terms of opportunities and challenges. In the first part of these two-part series, it covers the principle theory, computation methods, various topologies of FSPM machines, and the comparison with other PM machines. Meanwhile, the basic performance characteristics and design requirements, viz. torque density, over-load torque capability, flux-weakening capability, fault-tolerance capability, as well as the latest development, are also provided.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2019.2956600