Development of Equivalent Circuit Models of Permanent Magnet Synchronous Motors Considering Core Loss

Xin Ba, Zhenjie Gong, Youguang Guo, Chengning Zhang and Jianguo Zhu
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Xin Ba: National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China
Zhenjie Gong: National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China
Youguang Guo: School of Electrical and Data Engineering, University of Technology Sydney, Sydney, NSW 2007, Australia
Chengning Zhang: National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, Beijing 100081, China
Jianguo Zhu: School of Electrical and Information Engineering, The University of Sydney, Sydney, NSW 2006, Australia

Energies, 2022, vol. 15, issue 6, 1-18

Abstract: Permanent magnet synchronous motor (PMSM) possesses the advantages of low power loss, high power density and high torque density and, hence, has achieved broad applications in both industrial drives and home appliances. With the increasing demands for high power density, the PMSM often operates at high speed and high frequency, leading to high power loss and temperature rise. Consequently, proper consideration of power loss, including the core loss, has attracted much attention for the modelling, designing, controlling and optimizing of PMSMs. However, the widely used equivalent circuit model, capable of providing good analysis results with fast calculation, often ignores the core loss, which may lead to unsatisfactory motor performance. This paper aims to investigate the development of equivalent circuit models, with predictable core loss for PMSMs, and proposes novel equivalent circuit models, which improve the core loss prediction accuracy in the load conditions. Some thoughts about the further improvement of the models are proposed and discussed.

Keywords: permanent magnet synchronous motors; equivalent circuit model; core loss (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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