BATTERY POWER SUPPLY SYSTEM

PROBLEM TO BE SOLVED: To provide a battery power supply system that can secure safety of a worker at the battery change or maintenance of a battery power supply device mounted on a device containing a secondary battery or at the work of moving or removing a large device, and that can secure a preser...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NAGAYAMA MASATOSHI, FUJIWARA TOMOKO, TENMEI YU
Format:	Patent
Sprache:	eng
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:	PROBLEM TO BE SOLVED: To provide a battery power supply system that can secure safety of a worker at the battery change or maintenance of a battery power supply device mounted on a device containing a secondary battery or at the work of moving or removing a large device, and that can secure a preservation state of not prompting battery deterioration at the time of device stop.SOLUTION: A battery power supply system comprises: means for detecting the SOC of a secondary battery; control means for controlling charging and discharging; and means for measuring a driving time. If the battery power supply system has detected that the secondary battery has reached a prescribed condition, it stops input from a charger, and controls discharging so that the SOC will be equal to or less than a prescribed SOC value, and after the SOC has reached the prescribed SOC value or less, it stops input and output.