Further Stability Analysis for Load Frequency Control of Power Systems with Time-Varying Delays

被引：0
|
作者：
Feng, Wenxi [1 ,2 ]
Luo, Fei [1 ]
Zhang, Xianyong [3 ]
Duan, Wenyong [4 ]
机构：
[1] South China Univ Technol, Coll Automat Sci & Technol, Guangzhou 510640, Guangdong, Peoples R China
[2] Guangzhou Inst Standardizat, Guangzhou 510050, Guangdong, Peoples R China
[3] Guangdong Polytech Normal Univ, Sch Automat, Guangzhou 510665, Guangdong, Peoples R China
[4] Yancheng Inst Technol, Sch Elect Engn, Yancheng 224051, Jiangsu, Peoples R China
来源：
2021 PROCEEDINGS OF THE 40TH CHINESE CONTROL CONFERENCE (CCC) | 2021年
关键词：
LFC; Lyapunov theory; LMI; Power system; Stability analysis; DEPENDENT STABILITY; LINEAR-SYSTEMS; CONSTANT;
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：
This paper studies the stability problem of load frequency control (LFC) of a single area power system with communication delays both from remote measurements to the control centre and from control centre to generator units. The closed-loop LFC system with two transmission delays in communication networks can be expressed as the linear system with two additive time-varying delays. A stability criterion is derived via an affine second order Bessel-Legendre free-matrix-based inequality and Lyapunov stabiliity theory application. The stability criterion is in the form of linear matrix inequality (LMI), which can be easily solved via the MATLAB LMI-toolbox. Compared with some previously published results, the stability criterion in this paper is less conservative. Finally, an application of the LFC for a single area power system is presented to show the effectiveness of the proposed approach.
引用
收藏
页码：926 / 931
页数：6
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