The invention relates to the technical field of power systems, and discloses a power distribution network voltage control method and system based on orderly charging of electric vehicles, and the method comprises the steps: analyzing the charging conditions of the electric vehicles needing to be charged at present, and determining the charging emergency degree of each electric vehicle; on the basis of the charging emergency degree of each electric vehicle, performing charging sorting on each electric vehicle to obtain an electric vehicle charging sequence; carrying out primary power flow simulation calculation on the power distribution network containing the distributed photovoltaic and electric vehicle charging station to obtain voltage data of a predetermined important node in the power distribution network; determining voltage deviation data of each node in the power distribution network based on the voltage data of the predetermined important node; and according to the voltage deviation data of each node in the power distribution network, in combination with the charging sequence of the electric vehicle, adjusting the charging task of the electric vehicle so as to realize voltage treatment of the power distribution network. The method reduces the deviation between the node voltage and the nominal voltage of the power distribution network, and improves the operation stability and reliability of the power distribution network.
本发明涉及电力系统技术领域,公开一种基于电动汽车有序充电的配电网电压控制方法及系统,该方法包括:对当前需要充电的电动汽车充电情况进行分析,确定各电动汽车的充电紧急程度;基于各电动汽车的充电紧急程度,对各电动汽车进行充电排序,得到电动汽车充电次序;对含有分布式光伏以及电动汽车充电站的配电网进行初次潮流仿真计算,得到配电网中预定重要节点的电压数据;基于预定重要节点的电压数据,确定配电网中各节点的电压偏差数据;根据配电网中各节点的电压偏差数据,结合所述电动汽车充电次序,对电动汽车充电任务进行调整,以实现配电网电压治理。本发明减少了配电网节点电压与标称电压之间的偏差,提高了配电网运行的稳定性、可靠性。
Power distribution network voltage control method and system based on orderly charging of electric vehicle
一种基于电动汽车有序充电的配电网电压控制方法及系统
2023-12-19
Patent
Electronic Resource
Chinese
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