Vehicle-mounted power supply system

A vehicle-mounted power supply system that multiplexes power supplies in a vehicle and reliably supplies power of a voltage varying from a high voltage to a low voltage. The vehicle-mounted power supply system includes a primary power storage device, a secondary power storage device, and a power gen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Takahashi, Masayoshi, Makio, Daisuke
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	A vehicle-mounted power supply system that multiplexes power supplies in a vehicle and reliably supplies power of a voltage varying from a high voltage to a low voltage. The vehicle-mounted power supply system includes a primary power storage device, a secondary power storage device, and a power generation device. The primary power storage device has a high-voltage output terminal and a low-voltage output terminal. The power generation device supplies power to the primary power storage device and the secondary power storage device. The power supply system further includes: a first switch disposed between the power generation device and the primary power storage device; a second switch disposed between the power generation device and the secondary power storage device; and a third switch disposed between the low-voltage output terminal of the primary power storage device and the output terminal of the secondary power storage device.