Abstract：The compound-structure permanent-magnet (CSPM) motor is used as an electrical continuously variable transmission in the hybrid electric vehicle(HEV), which has the advantages of making the internal combustion engine(ICE) independent of the road load to run in a high efficiency area, in order to improve the fuel economy and reduce the emissions. This paper launches the research in view of the magnetic coupling issue in the compound-structure permanent-magnet for HEV. Firstly, parameters matching had been carried out between the THS system of Toyota Prius series HEV and the CSPM motor of HEV, which obtained the design parameters of CSPM motor as well as made the two systems has the same dynamic driven performances. Then, established the equivalent magnetic circuit model of CSPM motor, plus explored the internal magnetic field coupling rule of CSPM motor. Finally, the 2D-Ansoft finite element method(FEM) simulation is utilized to analyze the internal magnetic field distribution of CSPM motor in different working modes, then the internal magnetic field decoupling scheme of CSPM motor putted forward, which lays the theoretical foundation of further application of CSPM motor in the HEV.
徐奇伟, 孙静, 蒋小彪, 赵蒙, 沈启平. 混合动力车用复合结构永磁电机中磁场耦合[J]. 电工技术学报, 2017, 32(增刊2): 56-63.
Xu Qiwei, Sun Jing, Jiang Xiaobiao, Zhao Meng, Shen Qiping. Magnetic Coupling in Compound-Structure Permanent-Magnet Motor for Hybrid Electric Vehicle. Transactions of China Electrotechnical Society, 2017, 32(增刊2): 56-63.
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2017, Vol. 32 
