The influence of properties of core materials on the performance of a brushless DC motor and an induction motor, which are representative types often used as drive motors for electric and hybrid electric vehicles, were investigated. In the induction motor, high efficiencies were obtained by using materials having higher magnetic flux densities. The efficiency of the brushless DC motor can be estimated by the core material iron loss at 400 Hz. By using low-core-loss high-flux-density electrical steels developed for this brushless DC motor, higher efficiencies than conventional materials were obtained with equivalent torque constant. The developed material is expected to be best suited to the core material of electric and hybrid vehicles.
Electrical steel for motors of electric and hybrid electric vehicles
Elektroblech für Motoren von Fahrzeugen mit elektrischem Antrieb und Hybridantrieb
SMM, Soft Magnetic Materials, 16 ; 73-78
2004
6 Seiten, 12 Bilder, 13 Quellen
Aufsatz (Konferenz)
Englisch
Electrical steel for motors of electric and hybrid vehicles
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