Power conversion apparatus and buffer capacitor

Damped vibration of a releasing current in a power conversion apparatus is alleviated. The power conversion apparatus comprises a switch element connected with an inductive load; a freewheel diode being in reverse parallel connection with the switch element; a first conductor located on a current pa...

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Bibliographische Detailangaben
1. Verfasser:	SHIZURI TAMURA
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 BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE 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:	Damped vibration of a releasing current in a power conversion apparatus is alleviated. The power conversion apparatus comprises a switch element connected with an inductive load; a freewheel diode being in reverse parallel connection with the switch element; a first conductor located on a current path and connected with the switch element and the freewheel diode; and a damped vibration alleviating circuit being in parallel connection with the first conductor. The first conductor and the damped vibration alleviating circuit are electrically connected on a first contact and a second contact. The damped vibration alleviating circuit comprises a second conductor, a resistor and a capacitor which are connected between the first contact and the second contact in a parallel way. The second conductor is magnetically coupled to the first conductor between the first contact and the second contact.