BALANCING CONTROL FOR DISTRIBUTED LOW VOLTAGE SYSTEM WITH BIDIRECTIONAL CONVERTERS TO SUPPORT MULTIPLE LOW VOLTAGE BUSSES

Abstract: a vehicle includes a battery pack and performs a method of balancing charge in the battery pack. the battery pack includes a first module group coupled to a first low voltage bus, a second module group coupled to a switch, a third module group coupled to a second low voltage bus, and a processor. the processor is configured to couple the second module group to the first low voltage bus via the switch in a first configuration during a first phase of a cycle to transfer a charge between the first module group and the second module group, and couple the second module group to the second low voltage bus via the switch in a second configuration during a second phase of the cycle to transfer charge between the second module group and the third module group to thereby balance the charge in the battery pack.

Inventor(s): Jun-mo Kang, Chen-fang Chang

CPC Classification: B60L58/22 (Balancing the charge of battery modules)

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