2011•Electric DriveRequires access

Research on PWM Rectifier with Direct Current Control Strategy

Jia Yu-hui

Abstract

Mathematical model under the synchronization reference frame and dual-loop direct current control strategy of three phase voltage PWM rectifier was studied.The simulation model of PWM rectifier created by means of Matlab software verified feasibility of this control strategy.On this basis the experimental platform was created based on DSP and IPM,and control software was designed for experiment.The results show that the rectifier could effectively restrain the harmonic pollution with sinusoidal input currents,perform at the unity power factor and improve power quality.

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Key concepts: PWM rectifier, Rectifier (neural networks), Pulse-width modulation, Control theory (sociology), MATLAB, Direct current, Harmonic, Computer science