Patent ID: 11967847
Assignee: LG ENERGY SOLUTION, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 6:
7. A method of setting power limit of a battery bank in which a plurality of battery racks are connected in parallel, the method comprising:
measuring a voltage of each battery rack of the plurality of battery racks;
calculating a first power limit value according to a state of charge (SOC) calculated based on the voltage of each battery rack with respect to each battery rack;
calculating a capacity ratio of each battery rack based on capacity information of the plurality of battery racks;
calculating a second power limit value using the capacity ratio and the first power limit value of each battery rack; and
calculating a battery bank power limit value using the second power limit value of each battery rack.