KIPS Transactions on Computer and Communication Systems (정보처리학회논문지:컴퓨터 및 통신 시스템)

Korea Information Processing Society (한국정보처리학회)
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Design and Implementation of Multi-Agent System for Load Shedding in Microgrid

마이크로그리드 환경에서 부하차단을 위한 다중 에이전트 시스템의 설계 및 구현

  • 임유진 (수원대학교 정보미디어학과) ;
  • 김학만 (인천대학교 전기공학과)
  • Received : 2012.11.01
  • Accepted : 2012.11.15
  • Published : 2012.12.31
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Abstract

In an islanded operation mode of a microgrid, load shedding is used to balance between the power supplied and the power demanded. The conventional load-shedding schemes have considered that a load uses a continuous range of values to present its load demand. However, in reality, some loads use integer and discrete values. We design a multi-agent system for the load shedding with consideration of the discrete characteristic of load demands. Besides, we define a control architecture, functionalities of agents, and interactions among agents for implementation of the system. Through experiments in various test scenarios, we show the feasibility and performance of the system.

마이크로그리드(microgrid)의 독립적 운용방식(islanded operation mode)에서는 전력 공급량과 전력 수요량 사이의 균형을 맞추기 위하여 부하차단(load shedding) 기법이 사용된다. 기존의 부하차단 기법들은 부하의 요구량이 연속적인 값의 범위를 갖는다고 가정하였다. 그러나 일부 부하는 이산적인 정수 값을 사용하여 자신의 요구량을 나타낸다. 따라서 본 논문에서는 독립형 운용방식 환경에서 부하 요구량의 이산적인 특성을 고려한 부하차단 기법을 다중 에이전트 시스템을 이용하여 설계한다. 또한 시스템 구조, 에이전트 기능, 그리고 에이전트 간 통신 프로토콜을 추가로 정의 및 확장함으로써 시스템을 구현하였으며, 구현된 시스템을 기반으로 다양한 시나리오 환경에서의 실험을 통하여 그 성능을 증명하였다.

Keywords

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