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Inductance Analysis of Interior Permanent Magnet Synchronous Motor Considering Cross-Coupling Effect  

Kwak, Sang-Yeop (서울대학교 전기 컴퓨터공학부)
Kim, Jae-Kwang (현대 자동차 선행개발센터)
Jung, Hyun-Kyo (서울대학교 전기 컴퓨터공학부)
Lee, Sang-Yub (서울대학교 전기 컴퓨터공학부)
Publication Information
The Transactions of the Korean Institute of Electrical Engineers B / v.55, no.4, 2006 , pp. 189-195 More about this Journal
Abstract
In this paper, the inductance characteristics of interior permanent magnet synchronous motor (IPMSM) considering cross-coupling effect is analyzed. It is known that the IPMSM has it's operating point at the saturated region. So the cross-coupling effect exists, therefore cross-coupling inductance exists. With the application of Fixed Permeability Method (FPM), we can obtain more exact inductance characteristics of IPMSM. In this paper, a novel method based on the FPM is proposed, which can consider the cross-coupling effect. And the cross-coupling inductance which is the analysis result is shown. Finally, the validity of proposed method is verified by the comparison with the experimental result.
Keywords
Cross-Coupling Effect; d- and q-axis Inductance; Fixed Permeability Method; Interior Permanent Magnet Synchronous Motor;
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