POWER STORAGE SYSTEM

PROBLEM TO BE SOLVED: To obtain a power storage system which surely supplies power to a load which requires an auxiliary battery by simple configuration, when service of an AC power source is interrupted. SOLUTION: While the AC power source 1 is normal and a main battery 4 is charged or discharged,...

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Bibliographische Detailangaben
Hauptverfasser:	KIKUOKA YASUHEI, SAKASHITA SHIYUUJI, TOKUDA NOBUYUKI, IWATA RYUYU, KAWAMOTO TETSUHIRO
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 obtain a power storage system which surely supplies power to a load which requires an auxiliary battery by simple configuration, when service of an AC power source is interrupted. SOLUTION: While the AC power source 1 is normal and a main battery 4 is charged or discharged, switches S1, S2, S7 are turned on, a switch S3 is turned off, a switch S8 is connected to side A, and an auxiliary battery 5 is applied to floating charge via a DC-to-DC converter B11 from the AC source 1 or main battery 4. If service of the AC source 1 is interrupted, the switches S1, S7 are turned off, the switches S2, S3 are turned on, the switch S8 are connected to side B, and power is supplied from the auxiliary battery 5 to an electrolyte circulating pump 10 via a DC-to-DC converter A3 and an AC-to- AC bidirectional converter 2, and to an emergency DC load 7 via the DC-to-DC converter B11.