A Novel Control Strategy of PWM Rectifier with LCL Filter Under Unbalanced Grid Condition

被引：0

作者：

Ke-Wei Cai ^{[1
]}

Ning-Hui Wang ^{[1
]}

Guo-Feng Li ^{[1
]}

机构：

[1] Faculty of Electronic Information and Electrical Engineering,Dalian University of Technology

来源：

Journal of Harbin Institute of Technology(New series) | 2014年 / 01期

关键词：

LCL filter; no damping control; grid voltage feed-forward control; renewable energy processing;

D O I：

暂无

中图分类号：

TM761 [自动调整];

学科分类号：

080802 ;

摘要：

The paper presents a successful design and good result of grid voltage feed-forward control strategy with no damping regulator of LCL filter applied in Three-phase Pulse Width Modulation( PWM) rectifier under unbalance grid condition for renewable energy processing. It is demonstrated that the closed-loop current control is decoupled with the grid voltage feed-forward control,and good waveform of grid current with low order harmonics is obtained under unbalance grid condition. This novel strategy is simple and reliable,applied with PI regulator but no resonant controller in α,β two-phase stationary frame. Moreover,the results of experiment and simulation are also illustrated to validate the novel strategy well applied in the closed-loop current control system under unbalanced grid condition.

引用

页码：92 / 97

页数：6

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