POWER SUPPLY APPARATUS AND POWER SUPPLY METHOD

To perform charge/discharge management of a plurality of secondary batteries efficiently in a short time. A power supply apparatus (10) has a plurality of secondary batteries (11, 12) connected in series, outputs a composite voltage of all of the secondary batteries, and outputs an output of a part...

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Bibliographische Detailangaben
1. Verfasser:	NOMOTO SHINICHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	To perform charge/discharge management of a plurality of secondary batteries efficiently in a short time. A power supply apparatus (10) has a plurality of secondary batteries (11, 12) connected in series, outputs a composite voltage of all of the secondary batteries, and outputs an output of a part of the secondary batteries as a partial voltage. The power supply apparatus includes a detecting unit (state detecting unit 17) that detects states of the secondary batteries and a changing unit (switches 13 to 16) that changes an order of series connection of the plurality of secondary batteries based on a detection result of the detecting unit in such a manner that the partial voltage is outputted from a secondary battery that is in a relatively good state.