CHARGE CONTROL METHOD AND DISCHARGE CONTROL METHOD FOR ELECTRIC STORAGE APPARATUS

According to the charge control method of the present invention, as an electric storage means, a group of capacitors is used that include 2n (where n is an integer of 2 or more) electric double layer capacitors, from first to 2n-th electric double layer capacitors, having an equal electrostatic capa...

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Bibliographische Detailangaben
Hauptverfasser:	TAKEDA YOSHIFUMI, TAKEDA HARUMI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	According to the charge control method of the present invention, as an electric storage means, a group of capacitors is used that include 2n (where n is an integer of 2 or more) electric double layer capacitors, from first to 2n-th electric double layer capacitors, having an equal electrostatic capacity, and that is configured such that adjacent electric double layer capacitors are connected either in series or in parallel by a switch and the 2n-th electric double layer capacitor and the first electric double layer capacitor are connected in parallel by a switch. Among the 2n capacitors Ci constituting the electric storage unit 21, adjacent capacitors are sequentially switched from a series connection to a parallel connection, or the 2n-th capacitor C2n and the first capacitor C1 are switched to a parallel connection state, whereby variations in the inter-terminal voltages of the capacitors are suppressed.