Design and analysis of a new permanent magnet brushless DC machine

Author

Gan, Jinyun ; Chau, K.T. ; Wang, Yong ; Chan, C.C. ; Jiang, J.Z.

Author_Institution

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

Volume

36

Issue

5

fYear

2000

fDate

9/1/2000 12:00:00 AM

Firstpage

3353

Lastpage

3356

Abstract

A new permanent magnet (PM) brushless DC machine with a unique feature of flux regulation is proposed in this paper. The originality is that the air-gap flux of the machine is generated by both the PM excitation and the specially controlled stator current under the same PM pole. The machine possesses advantageous characteristics of both the PM brushless DC machine and the DC series machine. The rotor configuration and principle of operation are so novel that the magnetic field distribution and performances of the machine are analyzed by use of a time-stepping finite element method. The theoretical calculation is also verified by experimental measurement

Keywords

brushless DC motors; finite element analysis; permanent magnet motors; rotors; stators; air-gap flux; brushless DC motors; flux regulation; magnetic field distribution; permanent magnet brushless DC machine analysis; permanent magnet brushless DC machine design; rotor configuration; stator current; time-stepping finite element method; Air gaps; DC machines; Gallium nitride; Magnetic analysis; Magnetic field measurement; Permanent magnets; Reluctance machines; Rotors; Stators; Torque;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.908798

Filename

908798