An Improved Result on Stability Analysis of Delayed Load Frequency Control Power Systems

被引：27

作者：

Jiao, Shiyu ^{[1
,2
]}

Xia, Jianwei ^{[3
]}

Wang, Zhen ^{[4
]}

Chen, Xiangyong ^{[6
]}

Wang, Jing ^{[2
,5
]}

Shen, Hao ^{[1
,2
]}

机构：

[1] Anhui Univ Technol, AnHui Prov Key Lab Special Heavy Load Robot, Hefei 243032, Anhui, Peoples R China

[2] Anhui Univ Technol, Sch Elect Engn & Informat, Hefei 243032, Anhui, Peoples R China

[3] Liaocheng Univ, Coll Math Sci, Liaocheng 252000, Shandong, Peoples R China

[4] Shandong Univ Sci & Technol, Coll Elect Engn & Automat, Qingdao 266590, Peoples R China

[5] Chengdu Univ, Sch Informat Sci & Engn, Chengdu 610106, Peoples R China

[6] Linyi Univ, Sch Automat & Elect Engn, Linyi 276005, Shandong, Peoples R China

来源：

INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS | 2021年 / 19卷 / 04期

关键词：

Load frequency control; power systems; proportional-integral controller; time delays;

D O I：

10.1007/s12555-019-1063-8

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 investigates the stability of power systems with load frequency control considering time delays (constant and time-varying delays). A new criterion for ensuring the stability of the system is proposed on the basis of Lyapunov stability theory and a further strengthened inequality. Finally, taking a single-area load frequency control scheme with the proportional-integral controller as an example, according to the stability criterion obtained, the relationship between the maximum allowable delay and the gain of proportional-integral controller is discussed. Besides, in case studies, the effectiveness of our method is also demonstrated.

引用

页码：1633 / 1639

页数：7

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