Three-phase-to-single-phase converter for electric power traction power supply system
A power supply system and electric traction technology, which is applied in the output power conversion device, the conversion of AC power input to AC power output, electrical components, etc. The effect of power quality
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[0016] A three-phase to single-phase converter used in an electric traction power supply system includes a rectifier module, an inverter module, and a transformer module connected in sequence. The rectifier module is a three-phase full-wave bridge rectifier circuit. The three-phase full-wave bridge rectifier circuit includes three groups of rectifier diodes connected in parallel with each other in the same direction, each group includes two rectifier diodes connected in series, and the three-phase AC voltage is connected between two rectifier diodes connected in series. The positive and negative poles of the rectified DC voltage are respectively led from the two parallel ends of the three groups of rectifier diodes; the inverter module is a bridge inverter circuit, and the bridge inverter circuit includes two sets of parallel-connected parallel terminals. Thyristors, each group includes two thyristors connected in series. After rectification (before inverter), the positive and n...
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