Study on DPC-SVM Rectifier Based on Power Feedforward

Author:

Zhao Zhang Fei1,Tan Guo Jun1,Liu Meng1,Chen Guo Zhen1,Wang Zheng1

Affiliation:

1. China University of Mining and Technology

Abstract

In this paper, on the basis of the mathematic model of the three-level PWM rectifier, a power feedforward based control strategy is proposed combining with direct power control with space vector modulation (DPC-SVM) control principle. Feedforward control can reduce or even eliminate the impact on the system causing by load disturbance to improve dynamic performance. The simulation results show that the control method makes the system response speed faster and the dynamic performance better, it largely improved the system rectifier capacity against load disturbances.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

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