Design of a Magnetic-Geared Outer-Rotor Permanent-Magnet Brushless Motor for Electric Vehicles

Author

Chau, K.T. ; Zhang, Dong ; Jiang, J.Z. ; Liu, Chunhua ; Zhang, Yuejin

Author_Institution

Dept. of Electr. & Electron. Eng., Hong Kong Univ.

Volume

43

Issue

6

fYear

2007

fDate

6/1/2007 12:00:00 AM

Firstpage

2504

Lastpage

2506

Abstract

This paper proposes a novel in-wheel motor, which artfully integrates a magnetic gear into a permanent-magnet brushless (PMBL) DC motor so that they can share a common PM rotor, hence offering both high efficiency and high power density. Moreover, the low-speed requirement for direct driving and the high-speed requirement for compact motor design can be achieved simultaneously. A 2-kW 600/4400-rpm magnetic-geared outer-rotor PMBL DC motor is designed and analyzed, which is particularly suitable for battery-powered electric motorcycles

Keywords

battery powered vehicles; brushless DC motors; gears; motorcycles; permanent magnet motors; rotors; 2 kW; batter-powered electric motorcycles; electric vehicles; in-wheel motor; magnetic-geared outer-rotor permanent magnet brushless DC motor; Brushless DC motors; Brushless motors; DC motors; Electric vehicles; Gears; Magnetic flux; Magnetosphere; Permanent magnet motors; Rotors; Topology; Electric vehicle; magnetic gear; outer rotor; permanent-magnet motor;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2007.893714

Filename

4202811