Power conversion device

This power conversion device is provided with: a single-phase full-wave rectifying unit (2); an electrolytic capacitor (6); a plurality of chopper circuits, which are provided between the single-phase full-wave rectifying unit (2) and the electrolytic capacitor (6), and which respectively have react...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ichiki, Satoru, Tanaka, Akito, Kubota, Shunsuke
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:	This power conversion device is provided with: a single-phase full-wave rectifying unit (2); an electrolytic capacitor (6); a plurality of chopper circuits, which are provided between the single-phase full-wave rectifying unit (2) and the electrolytic capacitor (6), and which respectively have reactors (31, 32), first MOSFETs (41, 51) connected in parallel to the single-phase full-wave rectifying unit (2), and second MOSFETs (42, 52), each having one end connected to a plus-side terminal of the electrolytic capacitor (6), and the other end connected to each of the reactors (31, 32) and each of the first MOSFETs (41, 51); a first current detection unit (80) that bidirectionally detects currents flowing in the reactors (31, 32); and a control unit (9) that controls operations of the first MOSFETs (41, 51) using detection results obtained from the first current detection unit (80).