POWER UNIT

PROBLEM TO BE SOLVED: To provide an economical power unit that enhances power consumption efficiency by reducing power loss and also reducing the cost required for a backup generator. SOLUTION: A DC generator 7 that consecutively outputs DC power to an inverter 3 is connected to a DC portion between...

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Bibliographische Detailangaben
Hauptverfasser:	ITO TOSHIYUKI, KUKI MASANORI, KIKUZAWA HIROTADA, YABUKI MASANORI, IKEDA TOSHIKIMI, WATANABE MASATO
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:	PROBLEM TO BE SOLVED: To provide an economical power unit that enhances power consumption efficiency by reducing power loss and also reducing the cost required for a backup generator. SOLUTION: A DC generator 7 that consecutively outputs DC power to an inverter 3 is connected to a DC portion between a converter 2 and the inverter 3 through a DC-DC converter 6. The DC-DC converter 6 is configured so as to control the output from the DC generator 7 to become steady by current- controlling the output. On the other hand, the converter 2 is configured so as to control, by voltage-controlling the output, a conversion amount 11 from AC power to DC power or a conversion amount 12 from DC power to AC power so that a value 10 of a DC voltage measured by a voltmeter 8 always remains at a constant value V1.