Distributed load-shedding system for agent-based autonomous microgrid operations

Yujin Lim, Hak Man Kim, Tetsuo Kinoshita

Research output: Contribution to journalArticlepeer-review

27 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)385-401
Number of pages17
JournalEnergies
Volume7
Issue number1
DOIs
Publication statusPublished - 2014 Jan

Keywords

  • Cooperative control
  • Load shedding
  • Microgrid
  • Multi-agent system

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Energy (miscellaneous)
  • Control and Optimization
  • Electrical and Electronic Engineering

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