BATTERY MANAGEMENT SYSTEM AND BATTERY MANAGEMENT METHOD

The battery cellar (2) includes a storage cabinet (21) that stores a plurality of batteries, a power converter (an AC/DC converter (22) and a DC/DC converter (23)) electrically connected between the plurality of batteries stored in the storage cabinet (21) and a power system (5) to perform a bidirec...

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Bibliographische Detailangaben
Hauptverfasser:	HABU, Masakazu, IZUMI, Junta, MURAMATSU, Makito, KIMURA, Kenji, SUFU, Masanosuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The battery cellar (2) includes a storage cabinet (21) that stores a plurality of batteries, a power converter (an AC/DC converter (22) and a DC/DC converter (23)) electrically connected between the plurality of batteries stored in the storage cabinet (21) and a power system (5) to perform a bidirectional power conversion operation, and a server (20) that controls the power converter to charge or discharge the plurality of batteries in response to a DR request from the power system (5). The server (20), based on a level of demand determined in accordance with a rank related to a degradation degree of a battery, suppresses the charging/discharging of a battery with a higher demand rank among the plurality of batteries as compared with the charging/discharging of a battery with a lower demand rank among the plurality of batteries.