A Novel Dynamic Event-Triggered Mechanism for Distributed Secondary Control in Islanded AC Microgrids

Boyang Huang, Yong Xiao, Xin Jin, Junhao Feng, Xin Li and Li Ding ()
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Boyang Huang: Electric Power Research Institute of China Southern Power Grid Co., Ltd., Guangzhou 510700, China
Yong Xiao: Electric Power Research Institute of China Southern Power Grid Co., Ltd., Guangzhou 510700, China
Xin Jin: Electric Power Research Institute of China Southern Power Grid Co., Ltd., Guangzhou 510700, China
Junhao Feng: Electric Power Research Institute of China Southern Power Grid Co., Ltd., Guangzhou 510700, China
Xin Li: Department of Artificial Intelligence and Automation, School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China
Li Ding: Department of Artificial Intelligence and Automation, School of Electrical Engineering and Automation, Wuhan University, Wuhan 430072, China

Energies, 2022, vol. 15, issue 19, 1-12

Abstract: In this paper, the frequency/voltage restoration and active power sharing problems of islanded AC microgrids are studied. A novel distributed dynamic event-triggered secondary control scheme is proposed to reduce the communication burden. The continuous monitoring of event-triggered conditions and Zeno behavior can be fundamentally avoided by periodically evaluating event-triggered conditions. In addition, by introducing an adaptive coefficient related to the system deviations, the control performance can be improved. Sufficient conditions to ensure the stability of the system are provided through a Lyapunov function. Lastly, the effectiveness of our proposed secondary control scheme is verified in a MATLAB/SimPowerSystems environment.

Keywords: distributed secondary control; dynamic event-triggered; islanded AC microgrid (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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