POWER CONVERSION DEVICE

The present application provides a power conversion device such that input current and output current can be accurately estimated without providing a special circuit. A DC-DC converter including a control unit and semiconductor switching elements is such that a current detecting current transformer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KAWAMURA, Mao
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:	The present application provides a power conversion device such that input current and output current can be accurately estimated without providing a special circuit. A DC-DC converter including a control unit and semiconductor switching elements is such that a current detecting current transformer is connected in series between a high voltage battery and the semiconductor switching elements, in addition to which the DC-DC converter includes a current-to-voltage conversion circuit on a secondary side of the current transformer, and the control unit estimates an input current from an AD conversion value input from the current-to-voltage conversion circuit.