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Open AccessArticle

Distributed Load-Shedding System for Agent-Based Autonomous Microgrid Operations

Department of Information Media, University of Suwon/2-2 San, Wau-ri, Bongdam-eup, Hwaseong 445-743, Korea
Department of Electrical Engineering, Incheon National University/12-1 Songdo-dong, Yeonsu-gu, Incheon 406-772, Korea
Department of Computer and Mathematical Sciences, Tohoku University/Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan
Author to whom correspondence should be addressed.
Energies 2014, 7(1), 385-401;
Received: 19 November 2013 / Revised: 18 December 2013 / Accepted: 9 January 2014 / Published: 20 January 2014
(This article belongs to the Special Issue Smart Grids: The Electrical Power Network and Communication System)
A microgrid is an eco-friendly power system because renewable sources are used as main power sources. In the islanded operation mode of a microgrid, maintaining the balance between power supply and power demand is a very important problem. In the case of surplus supply, decreased generation output and/or charge of distributed storages can be applied to solve the imbalance between power supply and demand. In the case of supply shortages, increased generation output and/or discharge of distributed storages can be applied. Especially in the case of critical supply shortages, load shedding should be applied. In a distributed load-shedding approach, microgrid components need to make decisions autonomously. For autonomous microgrid operation, a multi-agent system has been investigated. In this paper, a distributed load-shedding system for agent-based autonomous operation of a microgrid is designed. The designed system is implemented and tested to show the functionality and feasibility of the proposed system. View Full-Text
Keywords: cooperative control; load shedding; microgrid; multi-agent system cooperative control; load shedding; microgrid; multi-agent system
MDPI and ACS Style

Lim, Y.; Kim, H.-M.; Kinoshita, T. Distributed Load-Shedding System for Agent-Based Autonomous Microgrid Operations. Energies 2014, 7, 385-401.

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