Torque Density and Efficiency Improvements of a Switched Reluctance Motor Without Rare-Earth Material for Hybrid Vehicles

Torque Density and Efficiency Improvements of a Switched Reluctance Motor Without Rare-Earth Material for Hybrid Vehicles

A machine design of a switched reluctance motor having competitive torque and efficiency as well as compactness with respect to an interior permanent-magnet (IPM) synchronous motor (IPMSM) in a hybrid electric vehicle (Toyota Prius 2003) has been investigated. A torque of 400 N·m is set as a target...

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Veröffentlicht in:IEEE transactions on industry applications 2011-05, Vol.47 (3), p.1240-1246
Hauptverfasser: Chiba, Akira, Takano, Yuichi, Takeno, Motoki, Imakawa, Takashi, Hoshi, Nobukazu, Takemoto, Masatsugu, Ogasawara, Satoshi
Format: Artikel
Sprache:eng
Schlagworte:
Automotive engineering
Density
Efficiency
Hybrid vehicles
Iron
Motors
Permanent magnet motors
Rare earth metals
Reluctance
Reluctance motors
Stator windings
Steel
switched reluctance motor (SRM)
Synchronous motors
Torque
torque density
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Beschreibung
Zusammenfassung:A machine design of a switched reluctance motor having competitive torque and efficiency as well as compactness with respect to an interior permanent-magnet (IPM) synchronous motor (IPMSM) in a hybrid electric vehicle (Toyota Prius 2003) has been investigated. A torque of 400 N·m is set as a target with an outer diameter of 269 mm with an axial length of 156 mm, including coil end lengths. In addition, a 50-kW field weakening capability must be competitive to the IPMSM. The highest efficiency of 95% is also aimed. Stator and rotor structures and iron material are investigated. Test machines are built. Static and light load tests are carried out.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2011.2125770