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

Yujin Lim, Hak-Man Kim and Tetsuo Kinoshita
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Yujin Lim: Department of Information Media, University of Suwon/2-2 San, Wau-ri, Bongdam-eup, Hwaseong 445-743, Korea
Hak-Man Kim: Department of Electrical Engineering, Incheon National University/12-1 Songdo-dong, Yeonsu-gu, Incheon 406-772, Korea
Tetsuo Kinoshita: Department of Computer and Mathematical Sciences, Tohoku University/Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan

Energies, 2014, vol. 7, issue 1, 1-17

Abstract: 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.

Keywords: cooperative control; load shedding; microgrid; multi-agent system (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: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (13)

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