Bidirectional DC-DC circuit and inverter

The utility model discloses a bidirectional DC-DC circuit which comprises an input end, an output end and a conversion circuit, and the input end and the output end are respectively connected with the conversion circuit. The conversion circuit comprises four insulated gate bipolar transistors (IGBTs...

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Bibliographische Detailangaben
Hauptverfasser:	AI PANHONG, LIANG YUANWEN
Format:	Patent
Sprache:	chi ; 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 utility model discloses a bidirectional DC-DC circuit which comprises an input end, an output end and a conversion circuit, and the input end and the output end are respectively connected with the conversion circuit. The conversion circuit comprises four insulated gate bipolar transistors (IGBTs), the four IGBTs are symmetrically arranged, a full-bridge structure is formed by the IGBTs, and the four IGBTs are connected in sequence; the four IGBT tubes are respectively a first IGBT tube, a second IGBT tube, a third IGBT tube and a fourth IGBT tube, the source electrode of the first IGBT tube is connected with the drain electrode of the second IGBT tube, the source electrode of the third IGBT tube is connected with the drain electrode of the fourth IGBT tube, and the source electrode of the second IGBT tube is connected with the source electrode of the fourth IGBT tube; the input end is connected in parallel with the first IGBT tube and the second IGBT tube, and the output end is connected in parallel with