Battery pack, power source apparatus, and charging and discharging method

A rectifying circuit (a) comprising a diode Da and a capacitor Ca is provided for a winding Ta on the secondary side of a transformer T. A rectifying circuit (b) comprising Db and Cb is provided for a winding Tb. A charging device Ra connected to one output of the circuit (a) is connected to the + s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	IKEDA, TAMON, NAGAI, TAMIJI
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A rectifying circuit (a) comprising a diode Da and a capacitor Ca is provided for a winding Ta on the secondary side of a transformer T. A rectifying circuit (b) comprising Db and Cb is provided for a winding Tb. A charging device Ra connected to one output of the circuit (a) is connected to the + side of a secondary battery E1. The + side of E1 is connected to an output terminal To1 and the positive side of E3 through a switching circuit S1. The negative side of E1 is connected to the other output of the circuit (a) and connected to the negative side of E3 through S2. Rb connected to one output of the circuit (b) is connected to the positive side of E2. The positive side of E2 is connected to the positive side of E4 through S2. The positive side of E2 is connected to the other output of the circuit (b) and connected to the negative side of E4 through S3. The negative side of E4 is connected to an output terminal To2. S4 is provided between the positive side of E1 and the negative side of E4.