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1.四川大学电气工程学院,四川省成都市 610065
2.国网四川电力交易中心有限公司,四川省成都市 610041
Received:15 April 2025,
Revised:2025-08-19,
Online First:05 January 2026,
Published:25 February 2026
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万一志,刘友波,许潇等.考虑配电网动态重构的电动汽车充电负荷预测方法[J].电力系统自动化,2026,50(4):91-100.
WAN Yizhi,LIU Youbo,XU Xiao,et al.Charging Load Forecasting Method for Electric Vehicles Considering Dynamic Reconfiguration of Distribution Networks[J].Automation of Electric Power Systems,2026,50(4):91-100.
万一志,刘友波,许潇等.考虑配电网动态重构的电动汽车充电负荷预测方法[J].电力系统自动化,2026,50(4):91-100. DOI: 10.7500/AEPS20250415009.
WAN Yizhi,LIU Youbo,XU Xiao,et al.Charging Load Forecasting Method for Electric Vehicles Considering Dynamic Reconfiguration of Distribution Networks[J].Automation of Electric Power Systems,2026,50(4):91-100. DOI: 10.7500/AEPS20250415009.
电动汽车充电负荷激增使配电网重构频率显著提升,而动态拓扑调整重塑了节点间能量供给关系,造成基于静态拓扑假设的预测模型因供电路径失配产生系统性误差。为此,文中提出了一种基于动态图神经网络的多时间序列预测方法,将动态图神经网络引入配电网重构场景,建立拓扑时变与充电负荷预测的显式映射关系。针对配电网动态重构过程,使用相关性图对节点间的动态耦合过程进行建模,并通过注意力机制增强图预测模块的全局特征捕获能力;使用推理模块,量化不同历史时期相关性图对当前时刻各节点的影响;使用门控循环网络模块提取高维隐特征中的时序特征并输出预测结果。最后,基于实际数据集的实验结果表明,所提方法在配电网灵活重构场景中有效提升了负荷预测精度,同时具备较好的鲁棒性。
The surge in electric vehicle (EV) charging load has made the frequency of distribution network reconfiguration increase significantly. Dynamic topology adjustment reshapes the energy supply relationships between nodes
causing systematic errors in forecasting models based on static topology assumptions due to feeder path mismatches. To address this
this paper proposes a multi-time series forecasting method based on dynamic graph neural network. It introduces a dynamic graph neural network into the distribution network reconfiguration scenario
establishing an explicit mapping relationship between time-varying topology and charging load forecasting. For the dynamic reconfiguration process of the distribution network
a correlation graph is used to model the dynamic coupling process between nodes
and an attention mechanism is employed to enhance the global feature capture capability of the graph forecasting module. Subsequently
an inference module is used to quantify the influence of correlation graphs during different historical periods on each node at the current moment. A gated recurrent network module extracts temporal features from high-dimensional latent features and outputs the forecasting results. Finally
experimental results based on an actual dataset show that the proposed method effectively improves load forecasting accuracy in flexible distribution network reconfiguration scenarios and has good robustness
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