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.
POWER SUPPLY APPARATUS AND POWER SUPPLY METHOD
STROMVERSORGUNGSVORRICHTUNG UND STROMVERSORGUNGSVERFAHREN
APPAREIL ET PROCÉDÉ D'ALIMENTATION ÉLECTRIQUE
2016-08-03
Patent
Electronic Resource
English
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
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