The invention relates to rechargeable energy storage system balancing. Specifically, a method and apparatus for transferring electrical energy between a pair of series connected batteries coupled between positive and negative DC buses of a power inverter operably connected to a plurality of stator phase windings of a stator winding of a motor are disclosed, the method and apparatus may include coupling a midpoint of the pair of series connected batteries to a stator winding of a motor, and controlling a power inverter to operate the power inverter and the stator winding as a switched mode power converter, the stator winding is coupled to the pair of series-connected batteries to charge at least one of the stator phase windings from one of the pair of series-connected batteries, and to discharge the at least one stator phase winding to the other of the pair of series-connected batteries.
本申请涉及可再充电能量存储系统平衡。具体地,公开了一种用于在一对串联连接的电池之间传递电能的方法和装置,所述一对串联连接的电池联接在功率逆变器的正和负DC母线之间,所述功率逆变器可操作地连接到马达的定子绕组的多个定子相绕组,所述方法和装置可以包括将所述一对串联连接的电池的中点联接到马达的定子绕组,以及控制功率逆变器以将功率逆变器和定子绕组作为开关模式功率转换器来操作,以从该一对串联连接的电池中的一个对定子相绕组中的至少一个进行充电,并且将该至少一个定子相绕组放电到该一对串联连接的电池中的另一个。
Rechargeable energy storage system balancing
可再充电能量存储系统平衡
2023-12-15
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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