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ORIGINAL RESEARCH article
Front. Energy Res.
Sec. Smart Grids
Volume 13 - 2025 | doi: 10.3389/fenrg.2025.1540735
A Coordinated Optimization Model for Analysis of Electric Vehicle Acceptance Capacity Considering Compensation Units
Provisionally accepted- 1 Guizhou Power Grid Co., Ltd, Guiyang, China
- 2 Dongfang Electronics Co., Ltd, Shandong, China
Promoting the adoption of Electric Vehicles (EVs) is widely recognized as an effective strategy for addressing environmental challenges. Consequently, the expansion of EV charging infrastructure is necessary to enhance the user experience and accommodate the increasing demand. However, without careful consideration of optimal site selection and capacity planning, the integration of EV charging loads may induce significant overcapacity and voltage fluctuating issues. This paper presents a coordinated optimization model for assessing the integration acceptance capacity of EV charging loads within distribution networks. The model is based on linear power flow equations and incorporates the compensatory capabilities of the distribution network. A case study is conducted to evaluate the acceptance capacity of two distinct types of EV charging loads within the IEEE 33-bus benchmark network. Additionally, the paper examines the impact of various system expansion strategies on the acceptance capacity, considering the aggregation of different units. The results indicate that energy storage systems (ESSs) and static var generators (SVGs) exert the most significant influence on the network's ability to accommodate EV charging loads.
Keywords: electric vehicle, Acceptance capacity, Coordination operation, voltage violation risk, Branch power flow
Received: 06 Dec 2024; Accepted: 10 Mar 2025.
Copyright: © 2025 Chen, Zhang, Chen, Li, Fu and Sui. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Sheng Chen, Guizhou Power Grid Co., Ltd, Guiyang, China
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