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Lookup NU author(s): Dr Ilias Sarantakos, Tiong Teck Teo
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© 2022 Elsevier LtdThe objective of this paper is to develop an optimal scheduling scheme for an Energy Storage System (ESS), in a grid-connected microgrid, which is used for two main energy services, namely Operating Cost Minimization Service (OCMS) and Contracted Service (CS). OCMS refers to minimizing the overall operating cost of the microgrid. CS is a specified balancing service for the grid operator in UK to manage the actual demand when the demand is greater than forecast or generation availability. In this service, a constant contracted level of power is delivered by the ESS on instruction from the grid. A linear programming (LP) based optimization method is proposed to effectively combine these two services. Different simulation studies are conducted to test the effectiveness of the proposed method under variations in the renewable energy sources such as photovoltaic (PV) and wind in given microgrid. The proposed method is compared with a conventionally used Fuzzy Logic Control (FLC) based optimization method and is also experimentally validated. Simulation and experimental studies show that LP based optimization method can achieve a lower operating cost (up to 20%) in the microgrid and thus maximize the economic benefits of using an ESS by effectively managing different energy services.
Author(s): John T, Sarantakos I, Teo TT
Publication type: Article
Publication status: Published
Journal: Renewable Energy
Year: 2022
Volume: 195
Pages: 357-365
Print publication date: 01/08/2022
Online publication date: 09/06/2022
Acceptance date: 06/06/2022
ISSN (print): 0960-1481
ISSN (electronic): 1879-0682
Publisher: Elsevier Ltd
URL: https://doi.org/10.1016/j.renene.2022.06.035
DOI: 10.1016/j.renene.2022.06.035
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