A battery system includes a plurality of converters that each converts electric power between a corresponding one of a plurality of blocks and an auxiliary battery. First equalization control is control for, when a vehicle is in a ReadyON state, operating a converter corresponding to a lower-voltage block, of at least one pair of blocks having voltage variations exceeding a threshold value, such that the lower-voltage block is charged with electric power supplied from the auxiliary battery. Second equalization control is control for, when the vehicle is in a ReadyOFF state, operating a converter corresponding to a higher-voltage block, of at least one pair of blocks having the voltage variations exceeding another threshold value, such that the auxiliary battery is charged with electric power supplied from the higher-voltage block.
BATTERY SYSTEM, ELECTRICALLY-POWERED VEHICLE AND CONTROL METHOD FOR ELECTRICALLY-POWERED VEHICLE
2020-06-18
Patent
Elektronische Ressource
Englisch
Battery system, electrically-powered vehicle and control method for electrically-powered vehicle
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