Optimal Operation Strategy for Reconfigurable EV Chargers Under Component Failures

IF 8.6 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Smart Grid Pub Date : 2024-10-16 DOI:10.1109/TSG.2024.3482230
Bingkun Song;Udaya K. Madawala
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Abstract

Recently, reconfigurable electric vehicle chargers (REVCs) have been commercialized due to their benefits, especially concurrent charging of multiple EVs. However, the operation of REVCs introduces new challenges that were not previously encountered with conventional EV chargers. Therefore, this paper proposes an optimal operation strategy and an optimization model, enabling the effective and economical operation of REVC charging stations. Initially, the strategy considers the optimal allocation of charging spaces based on EV arrival and departure times at the charging station, to maximize operational efficiency and avoid charging congestion. Additionally, to mitigate potential overloading on the grid and REVCs due to EV charging, the strategy leverages the energy storage capability of EVs with long parking durations to supply energy to EVs with short parking durations. Consequently, the proposed optimization model addresses the optimal scheduling of EV charging and discharging to meet the charging demands of all EVs. Furthermore, the strategy accounts for scenarios where some charger components may experience failures, incorporating optimal operation schemes for REVCs with different failures. This differs from existing operation strategies, which did not consider failures. A comprehensive case study with 115 EVs is conducted to validate the effectiveness of the proposed operation strategy and optimization model, under both normal and failure conditions. Simulation results demonstrate that the proposed operation strategy and optimization model effectively achieve efficient and appropriate operation of REVCs.
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来源期刊
IEEE Transactions on Smart Grid
IEEE Transactions on Smart Grid ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
22.10
自引率
9.40%
发文量
526
审稿时长
6 months
期刊介绍: The IEEE Transactions on Smart Grid is a multidisciplinary journal that focuses on research and development in the field of smart grid technology. It covers various aspects of the smart grid, including energy networks, prosumers (consumers who also produce energy), electric transportation, distributed energy resources, and communications. The journal also addresses the integration of microgrids and active distribution networks with transmission systems. It publishes original research on smart grid theories and principles, including technologies and systems for demand response, Advance Metering Infrastructure, cyber-physical systems, multi-energy systems, transactive energy, data analytics, and electric vehicle integration. Additionally, the journal considers surveys of existing work on the smart grid that propose new perspectives on the history and future of intelligent and active grids.
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Table of Contents IEEE Transactions on Smart Grid Information for Authors Blank Page IEEE Transactions on Smart Grid Publication Information A “Smart Model-then-Control” Strategy for the Scheduling of Thermostatically Controlled Load
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