ENERGY STORAGE SYSTEM

The invention is intended to improve the prediction accuracy of battery deterioration. An energy storage system includes a storage cell; a battery usage history detection unit that detects a usage history of the storage cell; an operation mode classification unit that classifies an operation mode of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KAMIJOH Takashi
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 ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PERFORMING OPERATIONS PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention is intended to improve the prediction accuracy of battery deterioration. An energy storage system includes a storage cell; a battery usage history detection unit that detects a usage history of the storage cell; an operation mode classification unit that classifies an operation mode of the storage cell according to the usage history of the storage cell; an SOH estimation unit that estimates a deterioration index value of the storage cell according to the usage history of the storage cell; and a remaining-service-life estimation unit that calculates a remaining service life of the storage cell according to the usage history of the operation mode of the storage cell, and the deterioration index value of the storage cell. The usage history of the storage cell represents a current value of the storage cell, a battery temperature of the storage cell, and a battery voltage of the storage cell.