Fractional Slot Concentrated Winding PMSM With Consequent Pole Rotor for a Low-Speed Direct Drive: Reduction of Rare Earth Permanent Magnet

Fractional Slot Concentrated Winding PMSM With Consequent Pole Rotor for a Low-Speed Direct Drive: Reduction of Rare Earth Permanent Magnet

This paper deals with a 44pole-48slot fractional slot concentrated winding permanent magnet synchronous machine (FSCW PMSM) for a low-speed direct drive. Two different rotor topologies, a surface permanent magnet (SPM) rotor and a consequent pole (CP) rotor, are optimized and compared both analytica...

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Veröffentlicht in:IEEE transactions on energy conversion 2015-03, Vol.30 (1), p.103-109
Hauptverfasser: Chung, Shi-Uk, Kim, Ji-Won, Chun, Yon-Do, Woo, Byung-Chul, Hong, Do-Kwan
Format: Artikel
Sprache:eng
Schlagworte:
Consequent pole (CP)
direct drive
Direct power generation
Equivalence
fractional slot
Materials
Mathematical analysis
Optimization
permanent magnet synchronous machine (PMSM)
Permanent magnets
Poles
Power capacitors
Rare earth metals
response surface methodology (RSM)
Rotors
Topology
Torque
Winding
Windings
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Beschreibung
Zusammenfassung:This paper deals with a 44pole-48slot fractional slot concentrated winding permanent magnet synchronous machine (FSCW PMSM) for a low-speed direct drive. Two different rotor topologies, a surface permanent magnet (SPM) rotor and a consequent pole (CP) rotor, are optimized and compared both analytically and experimentally. The experimental results confirmed that an FSCW PMSM with a CP rotor can achieve almost equivalent performance at the rated state when compared to an FSCW PMSM with an SPM rotor with 33% less permanent magnet material.
ISSN:0885-8969
1558-0059
DOI:10.1109/TEC.2014.2352365