| CPC H02J 7/00712 (2020.01) [H02J 7/0013 (2013.01); H02J 7/0031 (2013.01); H02J 7/0048 (2020.01); H02J 7/005 (2020.01); H02J 7/02 (2013.01); H02J 2207/20 (2020.01)] | 6 Claims |
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1. A battery management system comprising:
a storage cabinet that stores a plurality of batteries until the plurality of batteries are shipped;
a power converter electrically connected between the plurality of batteries stored in the storage cabinet and a power system; and
a controller that controls the power converter to perform (i) a degradation evaluation on each of the plurality of batteries and (ii) a demand adjustment of the power system using the plurality of batteries, the demand adjustment including, in response to a demand response request from the power system, charging or discharging the plurality of batteries, wherein
the controller:
ranks each of the plurality of batteries based on a result of the degradation evaluation,
obtains a predicted level of sales demand for each rank of the plurality of batteries, and
suppresses, based on the level of sales demand, charging/discharging of a first battery as compared with charging/discharging of a second battery, the first battery being a battery with a higher demand rank among the plurality of batteries, and the second battery being a battery with a lower demand rank among the plurality of batteries, wherein
the controller suppresses charging/discharging of a third battery which has been sold to a customer as compared with charging/discharging of a fourth battery which is not sold to a customer, and
the third battery and the fourth battery have the same rank.
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