Enhanced Model Predictive Voltage Control of Four-Leg Inverters with Switching Frequency Reduction for Standalone Power Systems

被引：0

作者：

Yaramasu, V. ^{[1
]}

Wu, B. ^{[1
]}

Rivera, M. ^{[2
]}

Rodriguez, J. ^{[2
]}

机构：

[1] Ryerson Univ, Toronto, ON M5B 2K3, Canada

[2] Univ Tecn Federico Santa Maria, Valparaiso, Chile

来源：

2012 15TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (EPE/PEMC) | 2012年

基金：

加拿大自然科学与工程研究理事会;

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a model predictive voltage control strategy with a prediction horizon of two samples for enhanced output voltage control of three-phase four-leg inverters used for standalone power systems. The four-leg inverter is developed to deliver symmetrical sinusoidal three-phase voltages, irrespective of the arbitrary consumer load profiles. The proposed controller uses the discrete-time model of the inverter and RLC filter for two-step prediction of output voltage with fewer commutations so as to reduce the switching frequency. The control method chooses a switching state that minimizes the error between the output voltage and its reference. The proposed controller offers an excellent tracking reference with less harmonic distortion voltage for balanced, unbalanced and nonlinear loading conditions. The feasibility of the proposed control scheme has been verified by MATLAB/Simulink.

引用

页数：5

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