A Space Vector Modulation Based Three-level PWM Rectifier under Simple Sliding Mode Control Strategy

Azeddine Draou, Senior Mieee

Department of Electrical Engineering, University of Hail, Hail, Kingdom of Saudi Arabia.

DOI: 10.4236/epe.2013.53B007                

Abstract

In this paper, a voltage oriented control strategy for three-level PWM rectifier based on Sliding Mode Control (SMC) is introduced in order to obtain fast and accurate response of dc-bus voltage. To verify the validity of the analysis and the feasibility of the proposed control method a set of simulation tests have been conducted using Matlab/Simulink. The simulation results show that compared to the conventional PI controller, the SMC can reduce drastically the three-level rectifier’s voltage fluctuation and improve the dynamic response of dc-bus significantly.

Keywords

Three-level; PWM Rectifier; Voltage Oriented Control; Sliding Mode Control; Unbalanced Input Voltage

Conflicts of Interest

The authors declare no conflicts of interest.

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