Harmonic Suppression Strategy Of 12-Pulse Controlled Rectifier
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更新:2022-05-21 15:35:46
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摘要
In order to improve the harmonic suppression ability of 12-pulse controllable rectifier, the DC side harmonic suppression strategy based on 12-pulse controllable rectifier is studied. The control strategy improves the input current waveform of the rectifier by adding a boost converter circuit on the DC side to meet the requirements of input current harmonic suppression under different load conditions. According to the current relationship between AC and DC sides of 12-pulse rectifier and the ideal current waveform at DC side, this paper analyzes and gives the input current waveform of boost converter circuit, and uses PWM control technology to adjust the input current of boost converter circuit. The simulation results show that this method can effectively suppress the input current harmonics of 12-pulse rectifier.
关键词
Controllable rectifier;12-pulse rectifier;Harmonic suppression;Current predictive control
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