Gobal Optimization Based Power System Stablization With WAMS Time Delay Study

被引：0

作者：

Lin, Zhang ^{[1
]}

Liu, Dichen ^{[1
]}

Jun, Wu ^{[1
]}

Liao Qingfen ^{[1
]}

Lei, Yun ^{[1
]}

Dong, Feifei ^{[1
]}

机构：

[1] Wuhan Univ, Sch Elect Engn, Wuhan 430072, Peoples R China

来源：

MATERIALS SCIENCE AND INFORMATION TECHNOLOGY, PTS 1-8 | 2012年 / 433-440卷

关键词：

global optimal control; Power System Stabilization; time-delay dynamic system; Linear Matrix Inequalities;

D O I：

10.4028/www.scientific.net/AMR.433-440.7362

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

It is very important to take into consideration time delay in wide area power system stability; the design of PSS (Power System Stabilizer) should consider global optimization with WAMS (Wide Area Measurement System) time delay. Newly designed PSS should be insensitive to time delay and suppress internal low frequency oscillations. It is used as feedback signal and is real-time synchronous that WAMS signal shows. Power system is modeled with the consideration of time delay. LMI (Linear Matrix Inequalities) is used to solve the stability condition of time delay system. Based on the time-delay effect of the wide-area measurement signals, this paper redesigned the PSS with global optimization of power system. The attached two-area-four-machine system simulation illustrates that wide-area PSS designed by global optimization with the consideration of time-delay can limit internal low frequency oscillation with time-delay insensitivity, and improve the stability of power system. It implements global optimization of PSS with WAMS time delay stability.

引用

页码：7362 / 7367

页数：6

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