Delay-Dependent Stability Analysis of Load Frequency Control for Power System With EV Aggregator

被引：4

作者：

Yuan, Zhe-Li ^{[1
,2
,3
]}

Xu, Da ^{[1
,2
,3
]}

Jin, Li ^{[1
,2
,3
]}

Wang, Hong-Zhang ^{[1
,2
,3
]}

机构：

[1] China Univ Geosci, Sch Automat, Wuhan, Peoples R China

[2] Hubei Key Lab Adv Control & Intelligent Automat, Wuhan, Peoples R China

[3] Minist Educ, Engn Res Ctr Intelligent Technol Geo Explorat, Wuhan, Peoples R China

来源：

FRONTIERS IN ENERGY RESEARCH | 2021年 / 9卷

基金：

中国博士后科学基金;

关键词：

power system; load frequency control; electric vehicles; stability analysis; time delay; TIME-DELAY; INEQUALITY; PLANTS; IMPACT;

D O I：

10.3389/fenrg.2021.771465

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, the stability of load frequency control (LFC) for delayed power systems with an electric vehicle (EV) aggregator is studied based on Lyapunov theory and linear matrix inequalities (LMIs). Through mechanism analysis, the LFC of power systems with an EV aggregator based on a proportional-integral-differential (PID) controller is modeled. By constructing a delay interval information correlation functional and estimating its derivative using Wirtinger inequality and extended reciprocally convex matrix inequality, a new stability analysis criterion is proposed. Finally, in order to verify its advantage, the proposed method is used to discuss the influence of EV aggregator gains and PID controller gains on the delay margins for LFC of power systems with EV aggregator participation in frequency regulation.

引用

页数：8

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