Robust H∞ Load Frequency Control of Future Power Grid with Energy Storage Considering Parametric Uncertainty and Time Delay

被引：0

作者：

Zhang, Liyan ^{[1
]}

Chen, Guo ^{[1
]}

Wang, Zhuoyang ^{[1
]}

Dong, Zhaoyang ^{[1
]}

Hill, David

机构：

[1] Univ Sydney, Sch Elect & Informat Engn, Sydney, NSW 2006, Australia

来源：

2014 IEEE PES GENERAL MEETING - CONFERENCE & EXPOSITION | 2014年

关键词：

Energy Storage; Load Frequency Control; Parametric Uncertainty; Robust H-infinity Controller; Time Delay; STABILITY; SYSTEMS;

D O I：

暂无

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 future grid environment, the unpredictable fluctuating characteristics of the renewable energy (RE) sources will inevitably cause adverse impacts on the system dynamic performance such as jeopardizing the frequency stability. Meanwhile, the utilization of energy storage (ES) can play a positive and noteworthy role in dealing with above problems. In this paper, we analyze the dynamic model of the grid-connected ES and the closed-loop frequency-domain block diagram is developed. Then a novel controller is proposed based on rigorous linear matrix inequalities (LMI) theory to ensure the robustness and stability of the system, when taking into account the parametric uncertainty and random time delay in control channels in the complex environment. The system can utilize ES to participate in Load Frequency Control (LFC) process so as to assist conventional thermal units. Finally, comprehensive case studies are performed to demonstrate the effectiveness of the proposed methods.

引用

页数：5

共 12 条

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