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A Stochastic Optimization Method for Energy Storage Sizing Based on an Expected Value Model

descriptionPublicationkeyboard_double_arrow_right Article , Journal , Other literature type 21 Feb 2019 United Kingdom Publisher:MDPI AGJournal:Energies, volume 12, page 702 (eissn: 1996-1073, Copyright policy )
Authors: Delong Zhang; Jianlin Li; Xueqin Liu; Jianbo Guo; Shaohua Xu;

doi: 10.3390/en12040702

A Stochastic Optimization Method for Energy Storage Sizing Based on an Expected Value Model

Abstract

Energy storage technologies have been rapidly evolving in recent years. Energy storage plays different roles in various scenarios. For electricity consumers, they are concerned with how to use the energy storage system (ESS) to reduce their costs of electricity or increase their profits. In this paper, a stochastic optimization method for energy storage sizing based on an expected value model for consumers with Photovoltaic Generation (PV) is proposed. Firstly, the Gaussian mixture model clustering method is used to cluster the historical load and PV data and calculate the probability of each cluster. Secondly, the optimal model of total system profit is established. Finally, according to the expected value model, the optimal ESS power and capacity are determined. Two case studies are used to demonstrate the calculation of optimal ESS capacity. The results obtained by the method proposed in this paper are compared with the results produced by the deterministic method. Through the analysis and comparison, the validity and superiority of the method proposed in this paper are verified. The profits obtained by the method proposed in this paper are 0.87% to 127.16% more than the deterministic method.

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United Kingdom
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/dk/atira/pure/subjectarea/asjc/2100/2105, Technology, Control and Optimization, 330, /dk/atira/pure/subjectarea/asjc/2600/2606; name=Control and Optimization, /dk/atira/pure/subjectarea/asjc/2600/2606, Energy storage system, name=Energy Engineering and Power Technology, /dk/atira/pure/subjectarea/asjc/2200/2208, Stochastic optimization, energy storage system, Energy Engineering and Power Technology, name=SDG 7 - Affordable and Clean Energy, /dk/atira/pure/subjectarea/asjc/2100/2105; name=Renewable Energy, Sustainability and the Environment, name=Control and Optimization, /dk/atira/pure/sustainabledevelopmentgoals/affordable_and_clean_energy; name=SDG 7 - Affordable and Clean Energy, name=Renewable Energy, expected value model, name=Energy (miscellaneous), Renewable Energy, SDG 7 - Affordable and Clean Energy, Electrical and Electronic Engineering, /dk/atira/pure/subjectarea/asjc/2100/2101, /dk/atira/pure/subjectarea/asjc/2100/2102, /dk/atira/pure/sustainabledevelopmentgoals/affordable_and_clean_energy, Sustainability and the Environment, T, Consumer side, Expected value model, consumer side, name=Electrical and Electronic Engineering, stochastic optimization, /dk/atira/pure/subjectarea/asjc/2100/2101; name=Energy (miscellaneous), 620, /dk/atira/pure/subjectarea/asjc/2200/2208; name=Electrical and Electronic Engineering, Energy (miscellaneous), /dk/atira/pure/subjectarea/asjc/2100/2102; name=Energy Engineering and Power Technology

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