POWER CONVERSION DEVICE

PROBLEM TO BE SOLVED: To provide a power conversion device that has a wide input current range and an output current range, efficiently outputs power in response to variations in input current over a wide range, complicates eddy currents for usage safety, and is compact and inexpensive.SOLUTION: A p...

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Bibliographische Detailangaben
Hauptverfasser:	SHIODA NATSUKO, KIDO TOSHIHITO
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 CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a power conversion device that has a wide input current range and an output current range, efficiently outputs power in response to variations in input current over a wide range, complicates eddy currents for usage safety, and is compact and inexpensive.SOLUTION: A power conversion device 100 for converting input power that is DC power includes: an input current detection section 2 for detecting an input current; a plurality of power conversion circuit sections 4-6 for converting the input power, which have different input current ranges and overlap with adjacent input current ranges; and a power conversion control section 1 for selecting one of the power conversion circuit sections 4-6 which can produce the highest output power from the input current detected by the input current detection section 2. The power conversion control section 1 selects the power conversion circuit section that can produce the highest output power from a current value higher by a predetermined amount than the detected input current as the one power conversion circuit section.