Performance analysis and temperature field study of IPMSM for electric vehicles based on winding transformation strategy

Recently, the high-performance and high-reliability permanent-magnet synchronous machine (PMSM) has attached intensive attention due to development of electric vehicles (EVs). In this study, in order to improve the capability of output torque, an improved method of interior PMSM (IPMSM) for EV based...

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Bibliographic Details
Published in:IET electric power applications Vol. 14; no. 7; pp. 1186 - 1195
Main Authors: Xu, Xuefeng, Zhang, Guoqiang, Li, Guangkuo, Zhang, Bingyi
Format: Journal Article
Language:English
Published: The Institution of Engineering and Technology 01.07.2020
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ISSN:1751-8660, 1751-8679, 1751-8679
Online Access:Get full text
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Summary:Recently, the high-performance and high-reliability permanent-magnet synchronous machine (PMSM) has attached intensive attention due to development of electric vehicles (EVs). In this study, in order to improve the capability of output torque, an improved method of interior PMSM (IPMSM) for EV based on winding transformation (WT) strategy is proposed. In the proposed method, the power electronics technology, the vector control algorithm, and the multiple-field analysis including electromagnetic field, fluid field, and temperature field are combined. Therefore, the steady-state and dynamic performances of WT-IPMSM are analysed comprehensively. The accuracy of the temperature field calculation is improved by the electromagnetic–thermal iterative method. Meanwhile, the influence of pulse-width modulation time harmonics caused by inverter on the eddy current loss of PMs and related laws is summarised. Finally, the effectiveness and feasibility of the proposed method is verified by the prototype test.
ISSN:1751-8660
1751-8679
1751-8679
DOI:10.1049/iet-epa.2019.0941