The disclosure provides an integrated charge and discharge solution for an inverter dc link capacitor. A controller of a vehicle power system closes a pre-charge contactor and one of a pair of main contactors to electrically connect a battery and inverter such that current flows through a pre-charge resistor. The controller also opens the pair to electrically disconnect the battery and inverter, and closes a switch configured to complete a circuit such that charge acquired by a capacitor of the inverter is dissipated via the pre-charge resistor.
本公开提供了“针对逆变器直流侧电容器的集成充电和放电解决方案”。一种车辆电力系统的控制器闭合预充电接触器和一对主接触器中的一个,以电连接电池和逆变器,使得电流流动通过预充电电阻器。所述控制器还打开所述一对主接触器,以使所述电池和所述逆变器电断开,并闭合被配置为完成电路的开关,使得由所述逆变器的电容器获取的电荷经由所述预充电电阻器耗散。
INTEGRATED CHARGE AND DISCHARGE SOLUTION FOR INVERTER DC LINK CAPACITOR
针对逆变器直流侧电容器的集成充电和放电解决方案
21.07.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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