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Lookup NU author(s): Dr Thillainathan Logenthiran
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This paper presents a multiagent system (MAS) for real-time operation of a microgrid. The proposed operational strategy is mainly focused on generation scheduling and demand side management. In generation scheduling, schedule coordinator agent executes a two-stage scheduling: day-ahead and real-time scheduling. The day-ahead scheduling finds out hourly power settings of distributed energy resources (DERs) from a day-ahead energy market. The real-time scheduling updates the power settings of the distributed energy resources by considering the results of the day-ahead scheduling and feedback from real-time operation of the microgrid in real-time digital simulator (RTDS). A demand side management agent performs load shifting before the day-ahead scheduling, and does load curtailing in real-time whenever it is necessary and possible. The distributed multiagent model proposed in this paper provides a common communication interface for all components of the microgrid to interact with one another for autonomous intelligent control actions. Furthermore, the multiagent system maximizes the power production of local distributed generators, minimizes the operational cost of the microgrid, and optimizes the power exchange between the main power grid and the microgrid subject to system constraints and constraints of distributed energy resources. Outcome of simulation studies demonstrates the effectiveness of the proposed multiagent approach for real-time operation of a microgrid.
Author(s): Logenthiran T, Srinivasan D, Khambadkone AM, Htay NA
Publication type: Article
Publication status: Published
Journal: IEEE Transactions on Smart Grid
Year: 2012
Volume: 3
Issue: 2
Pages: 925-933
Print publication date: 24/05/2012
ISSN (print): 1949-3053
ISSN (electronic): 1949-3061
Publisher: IEEE
URL: http://dx.doi.org/10.1109/TSG.2012.2189028
DOI: 10.1109/TSG.2012.2189028
Notes: A Special Issue on Applications of Smart Grid Technologies on Power Distribution Systems
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