Consensus-based distributed control for parallel-connected virtual synchronous generator

被引：2
|
作者：
Chen L.-J. [1 ,2 ]
Wang Y.-Y. [2 ]
Zheng T.-W. [2 ]
Chen T.-Y. [2 ]
Mei S.-W. [1 ,2 ]
机构：
[1] Qinghai Key Lab of Efficient Utilization of Clean Energy, New Energy (Photovoltaic) Industry Research Center, Qinghai University, Xining, 810016, Qinghai
[2] State Key Lab of Control and Simulation of Power Systems and Generation Equipments, Department of Electrical Engineering, Tsinghua University, Beijing
来源：
Kongzhi Lilun Yu Yingyong/Control Theory and Applications | 2017年 / 34卷 / 08期
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Active power sharing; Consensus algorithm; Frequency restoration; Virtual synchronous generator;
D O I：
10.7641/CTA.2017.60031
中图分类号：
学科分类号：
摘要：
Virtual synchronous generator (VSG) can mimic the operating mechanism of the synchronous generator, which can provide inertia and damping support for system. In islanded mode, parallel-connected VSGs mainly use decentralized droop control and the system is not able to restore frequency or reasonably share active power. To solve these problems, a distributed control strategy of parallel-connected VSGs based on consensus algorithm is proposed. The control strategy can improve the frequency and active power characteristics of the system. The mathematic model of traditional VSG control is firstly demonstrated. Based on that, the whole control scheme of frequency restoration and active power sharing for parallel-connected VSGs is established. With distributed control strategy, the scheme utilizes distributed communication network exchanging few information between neighbor VSGs to make the system restore frequency to nominal value and reasonably share active power to satisfy different demand. Simulation results verify the validity and effectiveness of the proposed control strategy. © 2017, Editorial Department of Control Theory & Applications South China University of Technology. All right reserved.
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页码：1084 / 1091
页数：7
相关论文
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