Disclosed are a wireless power transfer apparatus, a wireless power transfer system of a vehicle, and a control method thereof. The wireless power transfer apparatus may include a charging controller configured of generating a current instruction and a voltage instruction for wireless power transfer, a first circuit portion connected to the charging controller and an external power source and configured of converting an electric power supplied from the external power source to corresponding voltage value and corresponding current value according to the voltage instruction and the current instruction, and a primary coil connected to the first circuit portion and configured of generating an induced current in a secondary coil of an electric vehicle to deliver the electric power converted by the first circuit portion to the electric vehicle, wherein the charging controller estimates temperature of the secondary coil by use of the current value applied to the primary coil, and changes the current instruction for determining a current value applied to the primary coil, according to the estimated temperature of the secondary coil.
本发明涉及无线电力传输装置、车辆的无线电力传输系统及无线电力传输控制方法。无线电力传输装置可以包括:充电控制器,其配置为产生用于无线电力传输的电流指令和电压指令;第一电路部分,其连接至充电控制器和外部电源,并且配置为根据电压指令和电流指令将从外部电源输送的电力转换成对应的电压值和对应的电流值;初级线圈,其连接至第一电路部分,并且配置为使电动车辆的次级线圈中产生感应电流,以将由第一电路部分转换的电力传输至电动车辆;其中充电控制器通过利用施加于初级线圈的电流值来估算次级线圈的温度,并且根据估算的次级线圈的温度来改变用于确定施加于初级线圈的电流值的电流指令。
WIRELESS POWER TRANSFER APPARATUS, WIRELESS POWER TRANSFER SYSTEM OF VEHICLE, AND CONTROL METHOD THEREOF
无线电力传输装置、车辆的无线电力传输系统及无线电力传输控制方法
2021-10-22
Patent
Electronic Resource
Chinese
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