CHARGER, CHARGING SYSTEM, AND CHARGING METHOD

PROBLEM TO BE SOLVED: To provide a charger which can utilize natural energy effectively if there is sufficient capacity by the time when charging must be completed.SOLUTION: A completion time setting unit sets a completion time when charging of a secondary battery must be completed. An output curren...

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Bibliographische Detailangaben
1. Verfasser:	OGURA HIDEFUMI
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 charger which can utilize natural energy effectively if there is sufficient capacity by the time when charging must be completed.SOLUTION: A completion time setting unit sets a completion time when charging of a secondary battery must be completed. An output current measuring unit acquires the output value of a current from a natural energy power supply device. An electric energy acquisition unit acquires an electric energy that must be supplied before completing the charging of the secondary battery. A prediction time calculation unit calculates the time, when charging of the secondary battery only with the natural energy power is completed, as a prediction time based on the output value and the electric energy. A control unit charges the secondary battery only with the natural energy power if the prediction time is earlier than the completion time.