Power supply system and power supply controller

According to an embodiment, a power supply system includes a power storage unit, a changeover unit, and a control unit. The power storage unit is configured to store electric power generated by a power generation unit. The changeover unit is configured to make a changeover between a first state in w...

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Bibliographische Detailangaben
Hauptverfasser:	Fujisaki, Koichi, Shibata, Akihiro, Shibuya, Nobuo, Kanai, Tatsunori
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES SEMICONDUCTOR DEVICES SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	According to an embodiment, a power supply system includes a power storage unit, a changeover unit, and a control unit. The power storage unit is configured to store electric power generated by a power generation unit. The changeover unit is configured to make a changeover between a first state in which a load is connected to the power generation unit and a second state in which the load is connected to the power storage unit but not the power generation unit. The control unit is configured to perform control to make the changeover to the first state when a value obtained by subtracting a first value from a value of the electric power fed from the power generation unit is not less than a value of the electric power fed to the load. Otherwise, the control unit is configured to perform control to make the changeover to the second state.