电气传动2025，Vol.55Issue(5)：51-60,10.DOI:10.19457/j.1001-2095.dqcd25479
数据驱动的含高比例户用光伏的低压台区电压协调控制策略
Data-driven Voltage Coordination Control Strategy for Low-voltage Distribution Networks with High Household Photovoltaics Penetration
摘要
Abstract
As the penetration rate of household distributed PV in China's low-voltage distribution network continues to increase,the power flow of the distribution network has changed,leading to more serious problems such as node voltage overruns and three-phase imbalance,which poses a serious threat to the safe and stable operation of the distribution network.For situations where the distribution network topology and line parameters are unknown,the traditional voltage control strategy based on power flow calculation is no longer applicable,a data-driven voltage coordination control strategy was proposed for low-voltage distribution networks with high household photovoltaics penetration.First,a linear approximation model of the low-voltage distribution network was established,and the least squares method was applied to fit the relationship between node power and voltage based on the historical operation data of the low-voltage distribution network.Then,the photovoltaic inverter and energy storage system were used as regulation measures to minimize the degree of node voltage over-limit,minimize the three-phase unbalance and minimize the amount of equipment regulation as the objective function.The improved multi-objective particle swarm algorithm was utilized to achieve voltage optimization control.Finally,the effectiveness of the proposed voltage coordination control strategy was verified by simulation comparison and analysis with other control strategies and methods,taking the 21-node low-voltage station as an example.关键词
低压台区/数据驱动/电压协调控制策略/电压越限/三相不平衡/光伏逆变器/储能系统Key words
low voltage distribution network/data-driven/voltage coordination control strategy/voltage over-limit/three-phase unbalance/photovoltaic inverter(PVI)/energy storage system(ESS)分类
动力与电气工程引用本文复制引用
杨雷,王献军,王子鉴,赵卫华,李鹏,李梦溪..数据驱动的含高比例户用光伏的低压台区电压协调控制策略[J].电气传动,2025,55(5):51-60,10.基金项目
国网河南省电力公司科技项目(5217X0230002) （5217X0230002）
