Battery checker

A battery checker is provided with: voltage application unit configured to apply an AC voltage to a battery to be measured; ripple voltage measurement unit configured to measure a ripple voltage contained in a terminal voltage of the battery; and electric power storage level detection unit configure...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Mori, Natsuhiko, Noda, Hiroyuki, Mizutani, Masatoshi
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 MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A battery checker is provided with: voltage application unit configured to apply an AC voltage to a battery to be measured; ripple voltage measurement unit configured to measure a ripple voltage contained in a terminal voltage of the battery; and electric power storage level detection unit configured to detect an electric power storage level of the battery by comparing the measured ripple voltage with a set reference. The voltage application unit includes a transformer that transforms voltage for an alternating current of an AC power supply such as a commercial AC power supply, and an output circuit that applies, to the battery, an alternating current with transformed voltage.