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This paper presents the results of extensive finite element analyses conducted on doubly salient permanent magnet motor (DSPM) for improving the torque characteristics by novel methods; namely (i) slanted stator pole and (ii) saw-toothed stator pole. In the first method, stator poles are given a slant at the pole face; the slant in a direction opposite to the rotation of the motor has resulted in 7.33% and 71.45% increase in the average and maximum torques, respectively, when compared with the motor with original stator poles. With appropriate saw-tooth shaped stator poles, various permanent magnet torque and static torque profiles can be achieved.
Published in:
Journal of Applied Physics
(Volume:97
,
Issue:
10
)
Date of Publication: May 2005
- Page(s):
- 10Q514 - 10Q514-3
- ISSN :
- 0021-8979
- Digital Object Identifier :
- 10.1063/1.1860831
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 18 June 2009
- Issue Date :
- May 2005
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