期刊
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS
卷 55, 期 4, 页码 3577-3588出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIA.2019.2903187
关键词
Comparative thermal analysis; electric vehicles (EVs); finite-element method (FEM); fractional-slot concentrated-winding (FSCW); integral-slot distributed-winding (ISDW); interior permanent magnet synchronous motor (IPMSM)
资金
- Fundamental Research Funds for the Central Universities
- Young Elite Scientists Sponsorship Program by CAST [2017QNRC001]
- National Natural Science Foundation of China [51520105010, 51607079]
- [HUST: 2017JYCXJJ037]
Fractional-slot concentrated-winding (FSCW) interior permanent magnet synchronous motors (IPMSMs) have been attracting considerable attention due to their high power density, high efficiency, short end winding, high slot fill factor, low cogging torque, excellent flux-weakening, and fault tolerance capability. However, compared to integral-slot distributed-winding (ISDW) IPMSMs, the key challenge of using FSCW configurations is the significant rotor losses, particularly at high speed. To figure out the IPMSM with which winding configuration is more suitable for electric vehicle (EV) application, the thermal behaviors of four IPMSMs with ISDW, single-, double-, and four-layer FSCWs are comprehensively and comparatively investigated in this paper. First, electromagnetic design and loss analysis of the four IPMSMs are investigated to meet the EV traction motor requirements. Second, finite-element method is employed to investigate the thermal performance of the IPMSMs under different rotational speeds and torque overload capacities. Thirdly, experiments implemented on an ISDW prototype are carried out to validate the presented analysis method. Finally, some conclusions are drawn for a suitable winding configuration selection and the PM traction motor design.
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