Congestion Management Model for Competitive Charging of Electric Vehicles Under Dynamic Electricity Price Mechanism

WANG Yifei; WANG Xiuli; HUANG Jing; LI Kaiying; HUANG Yijun; FAN Jiajie

doi:10.7500/AEPS20220507006

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Congestion Management Model for Competitive Charging of Electric Vehicles Under Dynamic Electricity Price Mechanism

Application Research | 更新时间：2023-06-19

- Congestion Management Model for Competitive Charging of Electric Vehicles Under Dynamic Electricity Price Mechanism
- Automation of Electric Power Systems Vol. 47, Issue 12, Pages: 103-110(2023)
- 作者机构：
  
  1.西安交通大学电气工程学院，陕西省西安市 710049
  2.国家电网有限公司西北分部，陕西省西安市 710049
  3.国网上海电力公司，上海市 200122
- 作者简介：
- 基金信息：
  
  State Grid Corporation of China(SGSH0000DJJS2000155)
- DOI：10.7500/AEPS20220507006
  CLC：
- Received：07 May 2022，
  
  Revised：2022-08-03，
  
  Published Online：11 May 2023，
  
  Published：25 June 2023
- 稿件说明：
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王一飞,王秀丽,黄晶等.动态电价机制下电动汽车竞争性充电的阻塞管理模型[J].电力系统自动化,2023,47(12):103-110.

WANG Yifei,WANG Xiuli,HUANG Jing,et al.Congestion Management Model for Competitive Charging of Electric Vehicles Under Dynamic Electricity Price Mechanism[J].Automation of Electric Power Systems,2023,47(12):103-110.
王一飞,王秀丽,黄晶等.动态电价机制下电动汽车竞争性充电的阻塞管理模型[J].电力系统自动化,2023,47(12):103-110. DOI： 10.7500/AEPS20220507006.

WANG Yifei,WANG Xiuli,HUANG Jing,et al.Congestion Management Model for Competitive Charging of Electric Vehicles Under Dynamic Electricity Price Mechanism[J].Automation of Electric Power Systems,2023,47(12):103-110. DOI： 10.7500/AEPS20220507006.

摘要

针对动态电价机制下大规模电动汽车竞争性充电行为引发的电网安全问题，提出了考虑电网安全约束的电动汽车聚合商阻塞管理模型。首先，分别建立了配电网的无损线性化模型和电动汽车聚合商的集群模型；其次，在动态电价机制下，建立了考虑电网安全约束的电动汽车聚合商竞争性博弈模型；然后，基于变分不等式理论，证明了博弈模型均衡解的存在性和变分解的唯一性；最后，利用梯度下降算法和近端分解算法对博弈模型进行了分布式求解。算例结果表明，该模型可以有效地保障大规模电动汽车竞争性充电时的电网安全。

Abstract

Aiming at the power grid security problems caused by the competitive charging behavior of large-scale electric vehicles under the dynamic electricity price mechanism

a congestion management model of electric vehicle aggregator considering power grid security constraints is proposed. Firstly

the lossless linearization model of distribution network and the cluster model of the electric vehicle aggregator are established. Secondly

a competitive game model among electric vehicle aggregators considering power grid security constraints is proposed under the dynamic electricity price mechanism. Thirdly

the existence of equilibrium solution and the uniqueness of variational decomposition of the game model are proven based on the theory of variational inequality. Finally

the gradient descent algorithm and the proximal decomposition algorithm are used to solve the proposed game model. Numerical results show that the proposed model can ensure the power grid security when large-scale electric vehicles are competing for charging.

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references

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