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Lookup NU author(s): Dr Ridoy Das
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Electric vehicles and renewable energy sources are collectively being developed as a synergetic implementation for smart grids. In this context, smart charging of electric vehicles and vehicle-to-grid technologies are seen as a way forward to achieve economic, technical and environmental benefits. The implementation of these technologies requires the cooperation of the end-electricity user, the electric vehicle owner, the system operator and policy makers. These stakeholders pursue different and sometime conflicting objectives. In this paper, the concept of multi-objective-techno-economic-environmental optimisation is proposed for scheduling electric vehicle charging/discharging. End user energy cost, battery degradation, grid interaction and CO2 emissions in the home micro-grid context are modelled and concurrently optimised for the first time while providing frequency regulation. The results from three case studies show that the proposed method reduces the energy cost, battery degradation, CO2 emissions and grid utilisation by 88.2%, 67%, 34% and 90% respectively, when compared to uncontrolled electric vehicle charging. Furthermore, with multiple optimal solutions, in order to achieve a 41.8% improvement in grid utilisation, the system operator needs to compensate the end electricity user and the electric vehicle owner for their incurred benefit loss of 27.34% and 9.7% respectively, to stimulate participation in energy services.
Author(s): Das R, Wang Y, Ghanim P, Kotter R, Marzband M, Herteleer B, Warmerdam J
Publication type: Article
Publication status: Published
Journal: Applied Energy
Year: 2020
Volume: 257
Pages: 18
Print publication date: 01/01/2020
Online publication date: 23/10/2020
Acceptance date: 05/10/2019
ISSN (print): 0306-2619
Publisher: Elsevier
URL: https://doi.org/10.1016/j.apenergy.2019.113965
DOI: 10.1016/j.apenergy.2019.113965
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