The invention relates to an electric automobile and a charging device thereof and the electric automobile, the charging device of the electric automobile comprises a first motor and a second motor which are respectively connected with a positive electrode and a negative electrode of a charging pile, and the first motor and the second motor are used for providing equivalent inductance, so that the two motors of the electric automobile can be fully utilized; the first inverter and the second inverter are respectively connected with the first motor and the second motor, and the first inverter and the second inverter are respectively connected with a battery of the electric automobile; and the first controller and the second controller respectively control the first inverter and the second inverter, so that the problem that two independent controllers need switching frequency level communication can be solved. The charging device of the electric vehicle can be used as a booster circuit to convert low voltage provided by the charging pile into high voltage and can reduce current ripples, and can also be used as a step-down circuit to convert the high voltage into the low voltage.
本公开关于一种电动汽车及其充电装置及电动汽车,所述电动汽车的充电装置包括:分别与充电桩的正极和负极相连的第一电机和第二电机,第一电机和第二电机用于提供等效电感,这样可以充分利用电动汽车的两个电机;分别与第一电机和第二电机相连的第一逆变器和第二逆变器,且第一逆变器和第二逆变器分别与电动汽车的电池相连;分别控制第一逆变器和第二逆变器的第一控制器和第二控制器,这样可以解决两个独立控制器需要开关频率级别通讯的问题。该电动汽车的充电装置即可以作为升压电路使用,以将充电桩提供的低电压转换为高电压,且能够降低电流纹波,还可以作为降压电路使用,以将高电压转换为低电压。
Electric automobile and charging device thereof
电动汽车及其充电装置
2023-03-21
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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