2010•Electric DriveRequires access

High-performance Unit Power Factor Rectifier Based on DSP

Tan Hai-bing

Abstract

Based on the dq model of three-phase PWM rectifier,in order to realize rectifier high-performance features,a hybrid control strategy combined voltage PI control with current control based on input-output linearization for PWM rectifier was presented.PWM rectifier experiment device was constructed based on DSP,and the hardware and software design of rectifier was introduced.Experimental results verify the validity of the control strategy,the dynamic performance of PWM rectifier is good,DC output voltage stability,the current wave of electricity net side is ensured being sinusoidal,and the power factor is approching unity.

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Available abstract

Key concepts: PWM rectifier, Rectifier (neural networks), Precision rectifier, Power factor, Control theory (sociology), Peak inverse voltage, Pulse-width modulation, AC power