PI-Consensus Based Distributed Control of AC Microgrids

被引：0

作者：

Shi, Mengxuan ^{[1
]}

Chen, Xia ^{[1
]}

Zhou, Jianyu ^{[1
]}

Chen, Yin ^{[2
]}

Wen, Jinyu ^{[1
]}

He, Haibo ^{[3
]}

机构：

[1] State Key Laboratory of Advanced Electromagnetic Engineering and Technology, And the School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, China

[2] Department of Electronic and Electrical Engineering, University of Strathclyde, Glasgow, United Kingdom

[3] Department of Electrical, Computer and Biomedical Engineering, University of Rhode Island, Kingston, United States

来源：

IEEE Transactions on Power Systems | 2020年 / 35卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Distributed parameter control systems - Distributed power generation - Delay control systems - System stability - Restoration - Controllers - Timing circuits;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The conventional voltage observer based distributed control can make a tradeoff between voltage restoration and reactive power sharing. However, it suffers from estimation error when there exist input disturbances, such as initial values and communication delays. To address this problem, this paper proposes a novel distributed secondary control based on PI consensus algorithm. A voltage controller and a frequency controller are designed separately to realize the restoration of voltage/frequency and also accurate reactive/active power allocation. Moreover, a detailed small-signal model with PI consensus algorithm is established to show the impact of the proposed control strategy on the system stability. Compared with the conventional distributed control, the proposed control scheme is simpler with higher control accuracy under input disturbances. Simulations are conducted to verify the effectiveness of the proposed control strategy in an isolated ac microgrid. © 1969-2012 IEEE.

引用

页码：2268 / 2278

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