Referenced Items are not available for this document.
A method of reducing cogging torque and improving average torque has been studied by changing the dead zone angle of trapezoidal magnetization distribution of the ring type rotor magnet in a brushless DC motor (BLDCM). Because the BLDCM has a 3-D shape of its overhang, 3-D analysis should be used for exact computation of its magnetic field. A 3-D equivalent magnetic circuit network method (3-D EMCN) which can analyze an accurate 3-D magnetic field has been introduced. The analysis results of cogging torque using this 3-D EMCN are compared with those of the 3-D finite element method (3-D FEM) and experimental data
Published in:
Magnetics, IEEE Transactions on
(Volume:34
,
Issue:
5
)
Date of Publication: Sep 1998
- Page(s):
- 3532 - 3535
- ISSN :
- 0018-9464
- INSPEC Accession Number:
- 6050415
- Digital Object Identifier :
- 10.1109/20.717833
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Sep 1998
- Sponsored by :
- IEEE Magnetics Society
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