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Notch Design for Cogging Torque Reduction of Interor type Permanent Magnet Synchronous Motor  

Han, Kwang-Kyu (창원대학교 공대 전기공학과)
Ahn, Ho-Jin (창원대학교 공대 전기공학과)
Kang, Gyu-Hong ((주)Jem-tech 연구소)
Jang, Ki-Bong (창원대학교 공대 전기공학과)
Kim, Gyu-Tak (창원대학교 공대 전기공학과)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.6, 2008 , pp. 959-965 More about this Journal
Abstract
This paper presents a novel method for cogging torque reduction of interior type permanent magnet motor. For calculation position and width of notch, energy formulation and cogging torque function in air gap are analyzed by analytical method(space harmonics method) and numerical method. The optimal shape of notchs is decided by using finite element method. The validity of the proposed method is confirmed with experiments.
Keywords
IPM; Notch; Cogging torque function; Analytical method and numerical method;
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  • Reference
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