CPC H02J 7/345 (2013.01) [B60K 6/28 (2013.01); H01M 10/44 (2013.01); H01M 10/0525 (2013.01); H01M 10/48 (2013.01); H01M 2220/20 (2013.01)] | 16 Claims |
1. A mild-hybrid energy storage system architecture, comprising:
a battery;
an ultracapacitor connected in parallel with the battery;
a passive battery pre-charge circuit connected between a terminal of the battery and a DC bus;
a battery main contactor connected in parallel with the battery pre-charge circuit between the terminal of the battery and the DC bus;
a passive ultracapacitor pre-charge circuit connected between a terminal of the ultracapacitor and the DC bus;
an ultracapacitor main contactor connected in parallel with the ultracapacitor pre-charge circuit between the terminal of the ultracapacitor and the DC bus; and
a control module configured to independently control operation of the battery pre-charge circuit, the battery main contactor, the ultracapacitor pre-charge circuit and the ultracapacitor main contactor.
|