M. Tong, Xiaoqiang Liu, Le Sun, Zhiyuan Xu, Ming-Ming Cheng, Q. Zou
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Investigation of An Integrated Battery Charger for EVs based on A Dual-Motor Traction System
In this paper, to provide a convenient and low-cost charging solution for dual-motor EVs, a dual-motor traction system is employed to build an integrated on-board battery charger. In the proposed system, a five-phase flux-switching permanent-magnet (FSPM) motor and a three-phase FSPM motor are employed as the front and rear driving motor respectively in the driving mode. While in the charging mode, the five-phase FSPM motor and its inverter are applied to construct a boost-based ac/dc converter, which converts the grid power into dc, as well as the three-phase FSPM motor and its inverter are used as a buck converter to adjust the dc voltage to satisfy the battery charging requirement. The effectiveness of the proposed integrated charger is verified by simulation.
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