Speed Range Extension for Simplex Wave Winding Permanent-Magnet Brushless DC Machine

Author

Li Zhu ; Jiang, S.Z. ; Jiang, J.Z. ; Zhu, Z.Q. ; Chan, C.C.

Author_Institution

Dept. of Electr. Eng., Shanghai Jiao Tong Univ., Shanghai, China

Volume

49

Issue

2

fYear

2013

fDate

Feb. 2013

Firstpage

890

Lastpage

897

Abstract

A new speed range extension method for the simplex wave winding permanent-magnet (PM) brushless DC machine is proposed in this paper. The machine is with PM excitation, electric commutation, and close-connected winding identical to the brushed DC machine (see Zhu , “A new simplex wave winding permanent-magnet brushless DC machine,” IEEE Transactions on Magnetics, vol. 47, no. 1, pp. 252-259, Jan. 2011). By properly controlling the status of power electronic switches, the number of coils being connected into the equivalent circuit can be reduced, and thus the speed range will be extended. For the prototype of 10-pole and 11-slot machine, besides operating with all the 11 coils, the machine can be controlled with only 8 or 6 coils operating for wider speed range. The experiments verify the new speed range extension method for simplex wave winding PM brushless DC machine.

Keywords

brushless DC motors; coils; machine windings; permanent magnet machines; power electronics; 10-pole machine; 11-slot machine; PM brushless DC machine; PM excitation; brushed DC machine; close-connected winding identical; coils; electric commutation; power electronic switches; simplex wave winding permanent-magnet brushless dc machine; speed range extension; wave winding PM brushless DC machine; Coils; Conductors; DC machines; Equivalent circuits; Rotors; Torque; Windings; Brushless DC machine; permanent magnet; simplex wave winding; speed extension;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/TMAG.2012.2215879

Filename

6289369