Dual traction battery power system with charge balancing circuit

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Dual traction battery power system with charge balancing circuit

Freier Zugriff

CHEN LIHUA / KURUVEGA BORIS / GE BAOMING

The present disclosure provides a dual traction battery power system with a charge balancing circuit. A power system includes: an inverter; a pair of traction batteries electrically connected in series and jointly connected in parallel with the inverter; a plurality of switches, the plurality of switches being electrically connected in series and being commonly electrically connected in parallel with the traction battery and the inverter such that the switches are connected between the traction battery and the inverter; and one or more controllers programmed to operate the switches during charging of one of the traction batteries or operation of the inverter to balance a state of charge of the traction batteries.

本公开提供了“具有电荷平衡电路的双牵引电池电力系统”。一种电力系统包括：逆变器；一对牵引电池，所述一对牵引电池电串联并与所述逆变器共同并联；多个开关，所述多个开关电串联，并与所述牵引电池和所述逆变器共同电并联，使得所述开关连接在所述牵引电池和所述逆变器之间；和一个或多个控制器，所述一个或多个控制器被编程为在所述牵引电池中的一者的充电或所述逆变器的操作期间操作所述开关，以平衡所述牵引电池的充电状态。