期刊
SUSTAINABLE ENERGY GRIDS & NETWORKS
卷 32, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.segan.2022.100924
关键词
Demand response; Electric vehicles; Energy storage systems; Microgrid; Vehicle-to-grid
This study proposes an energy management approach that utilizes an energy credit mechanism to store excess PV energy in a shared energy storage system and exploit vehicle batteries. The proposed approach effectively reduces energy costs and peak demand.
Demand response (DR) programs can offer various benefits especially in microgrid environments with renewable energy systems (RESs) and energy storage technologies when effectively planned and managed. Accordingly, this study proposes an energy management approach for a neighborhood including residential end-users with photovoltaic (PV) systems, a shared energy storage system (ESS) and an electric vehicle (EV) fleet. The proposed approach presents a novel energy credit mechanism (ECM) for the EV fleet and households separately to exploit the EV batteries and store the excess PV energy in the neighborhood through the shared ESS for later use. End-users gain energy credits before a DR event and use these credits during the peak periods to minimize their total energy cost (TEC), resulted in a decrease in the peak demand. Also, the energy credits gained by the EV fleet are used through the vehicle-to-home (V2H) and vehicle-to-grid (V2G) services with the same objective. In order to conduct a more realistic analysis, a battery degradation cost estimation model is employed and the uncertain behavior of the EV users is considered. The case studies show that the proposed optimization strategy has the capability of considerably reducing the energy costs and peak demand.(c) 2022 Elsevier Ltd. All rights reserved.
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