Design and Comparison of Optimization Control Strategy for three-phase Shunt APF

被引：0

作者：

Rong Yuan-jie ^{[1
]}

Xu Chang-bo ^{[2
]}

Li Chun-wen ^{[2
]}

机构：

[1] State Grid Mat Co Ltd, Beijing 100120, Peoples R China

[2] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China

来源：

PROCEEDINGS OF THE 31ST CHINESE CONTROL CONFERENCE | 2012年

关键词：

shunt APF; harmonic; LQR; optimal PI regulator; current tracking; POWER;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

To make the control strategy design concise and easy to practical application. Based on a linear three-phase shunt Active Power Filter (APF) model, the Linear Quadratic Regulator (LQR) is utilized to obtain the optimal state feedback control rate. To improve the stable performance of the system, the optimal state feedback control combines with an output integral feedback loop to construct an optimal Proprotional-Integral (PI) regulator. Additionally, the differences between those two control strategies are analyzed in detail. Simulation results are demonstrated to verify that those two control strategies can be applied in three-phase shunt active power filter well and own fast response. Moreover, the results show that in suppression of low frequency harmonics, the performance of the optimal PI regulator is better than the optimal state feedback controller.

引用

页码：7556 / 7561

页数：6

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