POWER STORAGE SYSTEM, CONTROLLER, AND STORAGE BATTERY CHARGING AND DISCHARGING METHOD

Provided is an electrical storage system including an electrical storage unit that includes one or two or more storage batteries, a storage unit that stores historical information of the electrical storage unit, and a control unit. The control unit acquires the historical information from the storag...

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Bibliographische Detailangaben
Hauptverfasser:	SUGENO, Naoyuki, MIYAKI, Yukio, WATANABE, Kohki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Provided is an electrical storage system including an electrical storage unit that includes one or two or more storage batteries, a storage unit that stores historical information of the electrical storage unit, and a control unit. The control unit acquires the historical information from the storage unit, and performs a control of changing a charging setting voltage value of the electrical storage unit to a low-charging voltage value lower than a typical-charging voltage value in a case where the charging setting voltage value of the electrical storage unit is set to the typical-charging voltage value and in a case where the historical information satisfies a voltage changing condition, and of returning the charging setting voltage value of the electrical storage unit to the typical-charging voltage value after the electrical storage unit performs charging and discharging with the low-charging voltage value.