An On-Board Two-Stage Integrated Fast Battery Charger for EVs Based on a Five-Phase Hybrid-Excitation Flux-Switching Machine

被引:40
作者
Tong, Minghao [1 ]
Cheng, Ming [1 ,2 ]
Wang, Sasa [1 ]
Hua, Wei [1 ,2 ]
机构
[1] Southeast Univ, Sch Elect Engn, Nanjing 210096, Peoples R China
[2] Southeast Univ, Yancheng Inst New Energy Vehicles, Yancheng 224007, Peoples R China
基金
中国国家自然科学基金;
关键词
Electric vehicle (EV); flux-switching machine; hybrid-excitation; integrated charger; multiphase machine; MOTOR DRIVE; PROPULSION;
D O I
10.1109/TIE.2020.2988242
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this article, to solve the existing problems in general on-board integrated chargers, a novel three-phase on-board two-stage integrated charger is proposed by taking the unique advantages of a five-phase hybrid-excitation flux-switching (HEFS) motor. The general topologies and newly presented integrated chargers are reviewed first, and existing problems are concluded. Then, a two-stage integrated charger is proposed, and all winding selections are thoroughly investigated by theoretical analysis, finite-element analysis (FEA), and experiments. In the proposed topology, the existing problems are all solved by employing this multiphase system, reasonable winding selection, and reconfiguring the field winding. After that, a current balance control method for charge mode without a phase-locked loop circuit is presented. The simulation results verify the effectiveness of the proposed control methods. Finally, based on a 5-kW five-phase HEFS prototype machine and two sets of the three-phase generic motor controller, an experiment platform is built. The experiment results agree well with the simulation results. Therefore, the feasibility of a two-stage integrated on-board charger that can operate at any voltage level is confirmed, where only the hybrid-exciting machine and its driving system are used without any additional power devices.
引用
收藏
页码:1780 / 1790
页数:11
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