Abstract
Power transformation and control has been developing continuously in topology, control technology and application fields, especially in the development of smart grid. Through the analysis of phase-controlled rectifier circuit, it is helpful to further study smart grid and new energy. In this paper, the PSIM software simulation conditions for modeling, in-depth comparison and analysis of single-phase bridge full control rectifier circuit and three-phase bridge full control rectifier circuit operating principle and each parameter waveform, through the experiment to get the three-phase bridge rectifier circuit phase shift characteristics, fault waveform and cause analysis. Finally, it is concluded that phase-controlled rectifier will inevitably bring some harmonics, and a method to reduce the harmonics as much as possible is proposed through principle analysis.
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