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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Cogging Torque Analysis of the PMSM for High Performance Electrical Motor Considering Magnetic Anisotropy of Electrical Steel

1
Department of Automotive Engineering, Hanyang University, Seoul 133-791, Korea
2
Electrical Steel Research Group, Technical Research Lab., POSCO, Korea
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2009, 3(2), 365-369; https://doi.org/10.3390/wevj3020365
Published: 26 June 2009
PDF [572 KB, uploaded 16 May 2018]

Abstract

This paper deals with torque and cogging torque analysis of interior permanent magnet (IPM) motor considering anisotropy of electrical steel sheets. Generally, cogging torque is caused by tooth and slot structure in permanent magnet motor. But, magnetizing direction of iron core is changed by each rolling position in the manufacturing process of iron core. In this paper, analysis of cogging torque presents effects of not tooth and slot structures but rolling direction of iron core. It is useful to apply precise electrical motor as EPS.
Keywords: anisotropy; permanent magnet motors; cogging torque; torque ripple anisotropy; permanent magnet motors; cogging torque; torque ripple
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Lee, J.-J.; Kwon, S.-O.; Hong, J.-P.; Ha, K.-H. Cogging Torque Analysis of the PMSM for High Performance Electrical Motor Considering Magnetic Anisotropy of Electrical Steel. World Electr. Veh. J. 2009, 3, 365-369.

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