Loading patent…
AssigneeGM Global Technology Operations LLC
InventorsEdward D. Tate, JR., Alan G. Holmes
Estimating the term…
A vehicle includes first and second battery packs having respective first and second banks of contactors. The packs are wired in electrical parallel. A propulsion system is driven using electrical power from the packs. A controller determines which pack has the highest state of charge (SOC), and balances the SOC of the packs by controlling an open/closed state of the contactors. Contactors open to disconnect the pack having the highest SOC, and close again when a voltage difference between the packs is approximately zero. A system for use in the vehicle includes the packs, contactors, and controller. A method for controlling power flow in the vehicle includes determining which pack has the highest SOC, opening designated contactors during a near zero current event to disconnect the battery pack having the highest SOC, and closing the designated contactors when a voltage difference between the packs is approximately zero.
A vehicle comprising:
A system for use in a vehicle having a propulsion system which is driven using electrical power from the ESS, the system comprising:
A method for controlling power flow in a vehicle having a plurality of battery packs wired in electrical parallel with respect to each other, wherein the vehicle uses electrical energy from at least one battery pack of the plurality of battery packs to drive a propulsion system, the method comprising:
Dependencies are inferred from the claim text.