Research on Three-Phase PWM Rectifier Model Predictive Control

doi:10.11985/2017.03.003

Abstract

Abstract:

This paper builds and analyzes the mathematical model of three-phase PWM rectifier, and the model predictive control for PWM rectifier. By analysis and simulations for traditional single and double vector model predictive control, the reason why the total harmonic distortion (THD) performance of grid current in rectifier is researched. To improve THD performance of rectifier under model predictive control, this paper proposes modified single and double vector model predictive control methods, The methods improve the THD performance of grid current, and keep the best current and voltage dynamic performance. The simulation results verify the validity and effectiveness of proposed methods.

Key words: PWM rectifier, model predictive control, target function, THD

CLC Number:

TM461

Congwei Liu,Jiyun Lin. Research on Three-Phase PWM Rectifier Model Predictive Control[J]. Journal of Electrical Engineering, 2017, 12(3): 16-23.

Figures/Tables 11

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References 9

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控制方法	T_pwm/s	THD(%)
SVPWM	0.000 5	9.86
传统单矢量MPC	0.000 091	10.45
改进单矢量MPC	0.000 092	8.95
传统双矢量MPC	0.000 21	11.98
改进双矢量MPC	0.000 211	8.08

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