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http://dx.doi.org/10.5207/JIEIE.2008.22.2.134

A Study of Autonomous Intelligent Load Management System Based on Queueing Model  

Lee, Seung-Chul (중앙대학교 공대 전자전기공학부)
Hong, Chang-Ho (중앙대학교 대학원 전자전기 공학부)
Kim, Kyung-Dong (중앙대학교 대학원 전자전기 공학부)
Lee, In-Yong (중앙대학교 대학원 전자전기 공학부)
Park, Chan-Eom (중앙대학교 전력IT연구실)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.22, no.2, 2008 , pp. 134-141 More about this Journal
Abstract
This paper presents an innovative load management technique that can effectively lower the summer peak load by adjusting the aircondition loads through smoothe coordinations between utility companies and large customers. An intelligent hierarchical load management system composed of a Central Intelligent Load Management System(CIMS) and multiple Local Intelligent Management Systems(LIMS) is also proposed to implement the reposed technique. Upon receiving a load curtailment request from the utilities, CIMS issues tokens, which can be used by each LIMS as a right to turn on the airconditioner. CIMS creates and maintains a queue for fair allocation of the tokens among the LIMS demanding tokens. By adjusting the number tokens and queue management Policies, desired load factors can be achieved conveniently. The Markov Birth and Death Process and the Balance Equations are employed in estimating various queue performances. The proposed technique is tested using a summer load data of a large apartment complex and proved to be quite effective in load management while minimizing the customer inconveniences.
Keywords
Load Management; Intelligent Load Management System; Load Management Queue; Peak Load; Markov Birth and Death Process; Airconditioner Load;
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