Stability Analysis of Load Frequency Control for Shipboard Microgrids With Occasional Large Delays

被引：10
|
作者：
Yuan, Zhe-Li [1 ,2 ,3 ]
Zhang, Chuan-Ke [1 ,2 ,3 ]
Shangguan, Xing-Chen [1 ,2 ,3 ]
Jin, Li [1 ,2 ,3 ]
Xu, Da [1 ,2 ,3 ]
He, Yong [1 ,2 ,3 ]
机构：
[1] China Univ Geosci, Sch Automat, Wuhan 430074, Peoples R China
[2] Intelligent Automat Complex Syst, Wuhan 430074, Peoples R China
[3] Minist Educ, Engn Res Ctr Intelligent Technol Geoexplorat, Wuhan 430074, Peoples R China
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2022年 / 69卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Delays; Stability criteria; Frequency control; Switches; Delay effects; Power system stability; Microgrids; Shipboard microgrid; stability; large delay periods; load frequency control; DEPENDENT STABILITY; POWER-SYSTEMS; TIME;
D O I：
10.1109/TCSII.2021.3135962
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This brief investigates stability analysis of delayed load frequency control (LFC) system for shipboard microgrids (MG). Different from the previous works, a time-varying delay with occasional large value in a few time intervals is studied. Firstly, by dividing the delay into two regions, the LFC of shipboard MG is modeled as a linear system with a switched delay. Then, a stability criterion is proposed to analyze the relationship between the exponential stability of system and the length/frequency of large delay. Finally, a case study shows that the system may still remain stable for the large delay satisfying specific conditions, which illustrates the effectiveness and advantages of the proposed method.
引用
收藏
页码：2161 / 2165
页数：5
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