The Characteristics Analysis and Cogging Torque Optimization of a Surface-Interior Permanent Magnet Synchronous Motor

中国电气工程学报（英文） ›› 2018, Vol. 4 ›› Issue (4): 41-47.

出版日期:2018-12-25 发布日期:2019-10-31

The Characteristics Analysis and Cogging Torque Optimization of a Surface-Interior Permanent Magnet Synchronous Motor

Jikai Si^1,*, Suzhen Zhao², Lufeng Zhang³, Ruiwu Cao³, Wenping Cao⁴

1. College of Electric Engineering, Zhengzhou University, Zhengzhou 450000, China;
2. School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454003, China;
3. School of Automation, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China;
4. School of Engineering and Applied Science Aston University, Birmingham B47ET, UK

Online:2018-12-25 Published:2019-10-31
Contact: *Email: sijikai527@126.com.
About author:Jikai Si received the B.S. degree in electrical engineering and automation from the Jiaozuo Institute of Technology, Jiaozuo, China, in 1998; the M.S. degree in electrical engineering from Henan Polytechnic University, Jiaozuo, China, in 2005; and the Ph.D. degree in 2008 from the School of Information and Electrical Engineering, China University of Mining and Technology, Xuzhou, China, in 2008. He is currently a professor at Zhengzhou University. His main research interests include the theory, application, and control of special motor. He has authored and co-authored over 90 technical papers in these areas. Dr. Si is a Member of the Institute of Linear Electric Machine and Drives, Henan Province, China. Suzhen Zhao received B.S. degree from Henan Polytechnic University, Jiaozuo, China, in 2015.She is currently pursuing the M.S. degree in electrical engineering. Her research interests include modeling and characteristic analysis of special motors Lufeng Zhang received B.S. degree from Henan Polytechnic University, Jiaozuo, China, in 2014 and the M.S. degree in electrical engineering from Henan Polytechnic University, Jiaozuo, China, in 2016. He is currently pursuing the Ph.D. degree in electrical engineering from Nanjing University of Aeronautics and Astronautics, Nanjing, China. His research interests include modeling and characteristic analysis of special motors. Ruiwu Cao (S'10) received the B.S. degree in electrical engineering from Yancheng Institute of Technology, Yancheng, China, in 2004 and the M.S. degree in electrical engineering from Southeast University, Nanjing, China, in 2007, where he has been working toward the Ph.D. degree in electrical engineering since 2009. From 2007 to 2009, he was a Hardware Electrical Engineer with the Electronic Drive System R&D Center, BSH Electrical Appliances (Jiangsu) Company, Ltd. From August 2010 to November 2011, he was a joint Ph.D. student funded by the China Scholarship Council with the College of Electrical and Computer Science, University of Michigan, Dearborn, where he worked on permanent-magnet (PM) motors for electric vehicle (EV), hybrid EV (HEV), and plug-in HEV applications. His areas of interest include design, analysis, and control of PM machines. Wenping Cao(SM’11) received the B.Eng. degree in electrical engineering from Beijing Jiaotong University, Beijing, China, in 1991, and the Ph.D. degree in electrical machines and drives from the University of Nottingham, Nottingham, U.K., in 2004. He is currently a Chair Professor of Electrical Power Engineering and the Head of Power Electronics, Machines and Power System Group with Aston University, Birmingham, U.K. Dr. Cao is currently a Royal Society Wolfson Research Merit Award holder, U.K. He was a semifinalist at the Annual MIT-CHIEF Business Plan Contest, USA, in 2015; the Dragon’s Den Competition Award winner from Queen’s University Belfast, U.K., in 2014; and the Innovator of the Year Award winner from Newcastle.
Supported by:
Supported by National Natural Science Foundation of China (U1361109, 51777060) and Natural Science Foundation of Henan province (162300410117) and the he innovative research team plan of Henan Polytechnic University (T2015-2).

摘要/Abstract

Abstract: This paper proposes optimal stator skewed slot analytical method for cogging torque reduction in surface-interior permanent magnet synchronous motor(SIPMSM) and analyzes the characteristics of SIPMSM. The series-parallel equivalent magnetic circuit models(EMCMs) of SIPMSM is built based on the characteristics of magnetic circuits, which is used to design the basic electromagnetic parameters of SIPMSM. Analytical expressions of cogging torque are derived from applying analytical techniques. Stator skewed slot for cogging torque minimum is adopted, and the stator skewed slot pitch is confirmed based on the analytical expressions of the resultant cogging torque. The cogging torque, torque ripple, back electromotive force(back-EMF), power-angle characteristics, efficiency and power factor of SIPMSM are analyzed by establishing 3-dimensional finite element model(3-D-FED) of SIPMSM with stator skewed slot and straight slot. It is shown that the comprehensive performance of optimized SIPMSM is improved as confirmed by finite element analysis and analytical calculation results.

Key words: Surface-interior permanent magnet synchronous motor(SIPMSM), cogging torque, stator skewed slot, three-dimensional finite element model(3-D-FED)

. [J]. 中国电气工程学报（英文）, 2018, 4(4): 41-47.

Jikai Si, Suzhen Zhao, Lufeng Zhang, Ruiwu Cao, Wenping Cao. The Characteristics Analysis and Cogging Torque Optimization of a Surface-Interior Permanent Magnet Synchronous Motor[J]. Chinese Journal of Electrical Engineering, 2018, 4(4): 41-47.

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The Characteristics Analysis and Cogging Torque Optimization of a Surface-Interior Permanent Magnet Synchronous Motor

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