微电网
非周期图
计算机科学
控制理论(社会学)
电压
图层(电子)
通信系统
方案(数学)
控制工程
分布式计算
工程类
控制(管理)
计算机网络
电气工程
数学分析
人工智能
有机化学
化学
组合数学
数学
作者
Fanghong Guo,Lei Wang,Wen Chen,Dan Zhang,Qianwen Xu
出处
期刊:IEEE Transactions on Industrial Electronics
[Institute of Electrical and Electronics Engineers]
日期:2020-04-01
卷期号:67 (4): 3043-3053
被引量:115
标识
DOI:10.1109/tie.2019.2907507
摘要
This paper presents a new distributed control scheme to achieve both accurate voltage restoration and precise current sharing for islanded dc microgrid (MG) system only with limited noncontinuous communication among the distributed generators (DGs). A two-layer multiagent framework is employed for this MG system, which consists of a physical layer and a cyber layer. A distributed voltage restoration control scheme is proposed in the cyber layer, where no overall system information is required and only dc bus voltage feedback is needed. Furthermore, by employing the idea of event-triggered communication, our proposed approach only relies on limited aperiodic communication, which greatly reduces the communication cost in the cyber layer. The stability of proposed method is analyzed through a Lyapunov function based approach and we also demonstrate that the Zeno behavior can be excluded if a proper event-triggered condition is established. Our proposed method is validated in an islanded dc MG test system built in the Simulink environment and an experimental prototype consisting of three DGs simultaneously.
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