Distributed dynamic event‑triggered secondary control scheme based on sampled‑data for islanded microgrids

Junjie Ma; Tuo Zhou; Hui Wang

Distributed dynamic event‑triggered secondary control scheme based on sampled‑data for islanded microgrids

Junjie Ma

Tuo Zhou

Hui Wang

Vol. 25, No. 2, pp. 312-323, Feb. 2025

10.1007/s43236-024-00890-6

distributed control

Event-triggered control scheme

Secondary control

Islanded microgrid

Abstract

Distributed event-triggered control methods have received increasing attention in the field of microgrid secondary control. However, traditional schemes are driven by continuous state control, which is inapplicable in practice. To address this issue, a sampled-data-based dynamic event-triggered secondary control scheme is proposed in this paper. In this way, the controller transmits local information to its neighbors only when an event triggering condition based on a sampling period is violated, which saves a great deal of communication and computing sources. In comparison with the reported schemes, both frequency and voltage restoration can be achieved in a discrete manner as well as accurate active power sharing. Further, by introducing an internal dynamic variable in the threshold, the proposed control scheme can enlarge the minimum interevent times when compared to a static counterpart. In addition, it can efficiently reduce the communication burden. The sufficient conditions for stability are rigorously derived through Lyapunov theory. Finally, the eff ectiveness of the proposed scheme is verified in the MATLAB/Simulink environment.

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Cite this article

[IEEE Style]

J. Ma, T. Zhou, H. Wang, "Distributed dynamic event‑triggered secondary control scheme based on sampled‑data for islanded microgrids," Journal of Power Electronics, vol. 25, no. 2, pp. 312-323, 2025. DOI: 10.1007/s43236-024-00890-6.

[ACM Style]

Junjie Ma, Tuo Zhou, and Hui Wang. 2025. Distributed dynamic event‑triggered secondary control scheme based on sampled‑data for islanded microgrids. Journal of Power Electronics, 25, 2, (2025), 312-323. DOI: 10.1007/s43236-024-00890-6.