Three-phase single-stage isolated bidirectional converter and controlling method

A three-phase single-stage isolated bidirectional converter and a method of controlling same are provided. The bidirectional converter includes a three-phase AC voltage port, a DC voltage port, full-bridge circuit units, half-bridge circuit units, phase-shift inductor units, transformers, and filter...

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Bibliographische Detailangaben
Hauptverfasser:	Qian, Yangyang, Tsai, Hsien-Yi, Zhang, Yutan, Li, Guoce, Song, Wendi
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:	A three-phase single-stage isolated bidirectional converter and a method of controlling same are provided. The bidirectional converter includes a three-phase AC voltage port, a DC voltage port, full-bridge circuit units, half-bridge circuit units, phase-shift inductor units, transformers, and filter capacitors. The first full-bridge circuit unit is connected to the first half-bridge circuit unit. The third full-bridge circuit unit is connected to the second half-bridge circuit unit. The fifth full-bridge circuit unit is connected to the third half-bridge circuit unit. The first half-bridge circuit unit is connected to the first filter capacitor. A midpoint of a bridge arm of the first half-bridge circuit unit is connected to a second port. A midpoint of a bridge arm of the second half-bridge circuit unit is connected to a fourth port. A midpoint of a bridge arm of the third half-bridge circuit unit is connected to a sixth port.