Voltage regulation in distribution networks by electrical vehicles with online parameter estimation

被引：0
作者：
Lyu, Shukang [1 ]
Han, Huachun [1 ]
Li, Jingyan [2 ]
Yuan, Xiaodong [1 ]
Wang, Wenyue [3 ]
机构：
[1] State Grid Jiangsu Electric Power Co., Ltd. Research Institute, Nanjing
[2] Standardization Management Center, China Electricity Council, Beijing
[3] Department of Automation, Shanghai Jiao Tong University, Shanghai
来源：
Frontiers in Energy Research | 2024年 / 12卷
关键词：
EV clusters; feedback-based optimization; online estimation; recursive least squares; voltage regulation;
D O I：
10.3389/fenrg.2024.1506211
中图分类号：
学科分类号：
摘要：
The integration of a large number of electric vehicles (EVs) offers a new perspective for providing voltage regulation services for the operation of distribution networks. The flexible charging and discharging capabilities of EVs can help mitigate voltage fluctuations and improve grid stability. In this paper, we utilize EV clusters by controlling the discharging power to realize voltage regulation of distribution networks. We formulate a feedback-based optimization problem with the objectives of minimizing voltage mismatch as well as reducing the cost of voltage regulation services provided by EV clusters. Then we propose an algorithm with online resistance estimation to find the optimal solution without requiring complete information about distribution networks. The convergence of the proposed algorithm is guaranteed by the oretical proof. Numerical results in 33-bus system validate the performance of the algorithm. The results validate the applicability of the proposed approach in distribution networks, highlighting the potential of EV clusters as a flexible and cost-effective solution for voltage regulation. Copyright © 2024 Lyu, Han, Li, Yuan and Wang.
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