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Volume 14
Issue 6
10.3390/electronics14061217
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Technical Note

Distributed Event-Triggered Current Sharing Consensus-Based Adaptive Droop Control of DC Microgrid

by
Jinhui Zeng
,
Tianqi Liu
,
Chengjie Xu
* and
Zhifeng Sun
College of Electrical and Information Engineering, Hunan University of Technology, Zhuzhou 412007, China
*
Author to whom correspondence should be addressed.
Electronics 2025, 14(6), 1217; https://doi.org/10.3390/electronics14061217
Submission received: 24 February 2025 / Revised: 16 March 2025 / Accepted: 17 March 2025 / Published: 20 March 2025
(This article belongs to the Special Issue IoT Applications for Renewable Energy Management and Control, 2nd Edition)
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Abstract

Conventional droop control (a decentralized method to regulate power sharing by adjusting voltage–current slopes) in DC microgrids faces challenges in balancing precise current distribution, bus voltage regulation, and communication pressure, especially in distributed energy management scenarios. To address these limitations, this paper proposes an adaptive control strategy combining three layers: (1) Primary control achieves power sharing and voltage stabilization via U-I droop characteristics for distributed energy resources (DERs); (2) Secondary control corrects voltage deviations and droop coefficient imbalances through multi-agent consensus algorithms, ensuring global equilibrium; (3) Event-triggered consensus control minimizes communication pressure via a novel protocol with time-varying coupling weights and a hybrid trigger function combining state variables and time-decaying terms rigorously proven to exclude Zeno behavior (i.e., infinite triggering in finite time) using Lyapunov stability theory.
Keywords: adaptive droop control; consensus control; DC microgrid; distributed control; event-triggered control adaptive droop control; consensus control; DC microgrid; distributed control; event-triggered control

Share and Cite

MDPI and ACS Style

Zeng, J.; Liu, T.; Xu, C.; Sun, Z. Distributed Event-Triggered Current Sharing Consensus-Based Adaptive Droop Control of DC Microgrid. Electronics 2025, 14, 1217. https://doi.org/10.3390/electronics14061217

AMA Style

Zeng J, Liu T, Xu C, Sun Z. Distributed Event-Triggered Current Sharing Consensus-Based Adaptive Droop Control of DC Microgrid. Electronics. 2025; 14(6):1217. https://doi.org/10.3390/electronics14061217

Chicago/Turabian Style

Zeng, Jinhui, Tianqi Liu, Chengjie Xu, and Zhifeng Sun. 2025. "Distributed Event-Triggered Current Sharing Consensus-Based Adaptive Droop Control of DC Microgrid" Electronics 14, no. 6: 1217. https://doi.org/10.3390/electronics14061217

APA Style

Zeng, J., Liu, T., Xu, C., & Sun, Z. (2025). Distributed Event-Triggered Current Sharing Consensus-Based Adaptive Droop Control of DC Microgrid. Electronics, 14(6), 1217. https://doi.org/10.3390/electronics14061217

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