The promise of EV-aware multi-period optimal power flow problem: cost and emission benefits

Kayacık, Sezen Ece and Kocuk, Burak and Yüksel, Tuğçe (2023) The promise of EV-aware multi-period optimal power flow problem: cost and emission benefits. Sustainable Energy, Grids and Networks, 34 . ISSN 2352-4677

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Increased electric vehicle (EV) penetration brings considerable challenges to the daily planning of the power grid operations. A careful coordination of the grid operations and charging schedules is needed to alleviate these challenges, and turn them into opportunities. For this purpose, we study the Multi-Period Optimal Power Flow problem (MOPF) with electric vehicles under emission considerations. We integrate three different real-world datasets: household electricity consumption, marginal emission factors, and EV driving profiles. We present a systematic solution approach based on second-order cone programming to find globally optimal solutions for the resulting nonconvex optimization problem. To the best of our knowledge, our paper is the first to propose such a comprehensive model integrating multiple real datasets and a promising solution method for the EV-aware MOPF Problem. Our computational experiments on various instances with up to 2000 buses demonstrate that our solution approach leads to high-quality feasible solutions with provably small optimality gaps. In addition, we show the importance of coordinated EV charging to achieve significant emission savings and reductions in cost. In turn, our findings can provide quantitative insights to decision-makers on how to incentivize EV drivers depending on the trade-off between cost and emission.
Item Type: Article
Uncontrolled Keywords: Coordinated electric vehicle charging; Emission mitigation; Integration of electric vehicles to power grid; Multi-period optimal power flow problem; Second-order cone programming
Divisions: Faculty of Engineering and Natural Sciences
Depositing User: Burak Kocuk
Date Deposited: 06 Aug 2023 17:09
Last Modified: 06 Aug 2023 17:09

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