The invention provides a vehicle-mounted charging system, a control method and an electric vehicle. The vehicle-mounted charging system comprises a six-phase inverter, a six-phase motor, a first capacitor, a second capacitor and a charging interface; the six-phase inverter comprises a first group of inverters and a second group of inverters, the six-phase motor comprises a first group of motors and a second group of motors, the output end of the first group of inverters is connected with the first group of motors, and the output end of the second group of inverters is connected with the second group of motors; the direct current input end of the first group of inverters is connected with the output end of a power battery after being connected with the first capacitor in parallel; and the direct current input end of the second group of inverters is connected with the second capacitor in parallel. According to the vehicle-mounted charging system disclosed by the embodiment of the invention, the functions of the motor and the vehicle-mounted charger are combined into one power assembly, so that the integration degree of a high-voltage part of an electric vehicle is greatly improved, the design difficulty of the whole vehicle is reduced, and the cost is reduced; meanwhile, the compatibility of the electric vehicle to a charging power supply is enhanced.
本发明提供了一种车载充电系统、控制方法及电动汽车,该系统包括,六相逆变器,六相电机、第一电容、第二电容以及充电接口;所述六相逆变器包括第一组逆变器和第二组逆变器,所述六相电机包括第一组电机和第二组电机,所述第一组逆变器的输出端与所述第一组电机连接,所述第二组逆变器的输出端与所述第二组电机连接;所述第一组逆变器的直流输入端与所述第一电容并联连接后,连接至动力电池的输出端;所述第二组逆变器的直流输入端与所述第二电容并联连接。本发明实施例的车载充电系统,将电机和车载充电机的功能合为一动力总成,极大提高了电动汽车高压部分的整合度,使整车设计难度下降,成本降低,同时增强了电动汽车对充电电源的兼容性。
Vehicle-mounted charging system, control method and electric vehicle
一种车载充电系统、控制方法及电动汽车
2021-11-30
Patent
Elektronische Ressource
Chinesisch
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