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Open AccessArticle

Distributed Control Strategy for Autonomous Operation of Hybrid AC/DC Microgrid

1
Energy Efficiency Research Division, Korea Institute of Energy Research, Daejeon 34129, Korea
2
Samsung Electronics, Suwon 16677, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Pedro Faria
Energies 2017, 10(3), 373; https://doi.org/10.3390/en10030373
Received: 6 December 2016 / Revised: 13 February 2017 / Accepted: 10 March 2017 / Published: 16 March 2017
(This article belongs to the Special Issue Distributed Energy Resources Management)
This paper proposes a distributed control strategy that considers several source characteristics to achieve reliable and efficient operation of a hybrid ac/dc microgrid. The proposed control strategy has a two-level structure. The primary control layer is based on an adaptive droop method, which allows local controllers to operate autonomously and flexibly during disturbances such as fault, load variation, and environmental changes. For efficient distribution of power, a higher control layer adjusts voltage reference points based on optimized energy scheduling decisions. The proposed hybrid ac/dc microgrid is composed of converters and distributed generation units that include renewable energy sources (RESs) and energy storage systems (ESSs). The proposed control strategy is verified in various scenarios experimentally and by simulation. View Full-Text
Keywords: ac/dc hybrid microgrid; adaptive droop control; autonomous operation; distributed generation; energy management system ac/dc hybrid microgrid; adaptive droop control; autonomous operation; distributed generation; energy management system
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MDPI and ACS Style

Baek, J.; Choi, W.; Chae, S. Distributed Control Strategy for Autonomous Operation of Hybrid AC/DC Microgrid. Energies 2017, 10, 373. https://doi.org/10.3390/en10030373

AMA Style

Baek J, Choi W, Chae S. Distributed Control Strategy for Autonomous Operation of Hybrid AC/DC Microgrid. Energies. 2017; 10(3):373. https://doi.org/10.3390/en10030373

Chicago/Turabian Style

Baek, Jongbok; Choi, Wooin; Chae, Suyong. 2017. "Distributed Control Strategy for Autonomous Operation of Hybrid AC/DC Microgrid" Energies 10, no. 3: 373. https://doi.org/10.3390/en10030373

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