2011•Microelectronics & ComputerRequires access

Simulation Research on Direct Power Control for Three-Phase PWM Rectifier

Kong De-ning

Abstract

According to working principle and structure of three-phase PWM rectifier,the mathematical model of three-phase PWM rectifier is established in three-phase static coordinate.The unfixed switch frequency direct power control strategy of voltage orientation is proposed.After analyzing control structure,the simulation model is established using MATLAB/SIMULINK.The results of simulation show the proposed control algorithm is simple,improves rectifier power factor and reduces the harmonic content.

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Available abstract

Key concepts: PWM rectifier, Computer science, Rectifier (neural networks), MATLAB, Pulse-width modulation, Precision rectifier, Power factor, Three-phase