摘要
为了优化电网在线模型转换效果,减小模型转换误差,提高电网仿真分析的精度,开展了PSD-BPA程序电网在线模型自动转换技术研究。首先,设计PSD-BPA自动转换程序架构,为后续研究奠定良好基础。其次,对电网在线模型传输线转换进行设计,使数据卡能按照一定的格式实时记录电网交流传输线参数,并根据电网线路传播时延,转换传输线模型。在此基础上,基于电网负荷的静态特性,自动转换电网负荷,结合传输线转换结果,实现电网在线模型自动转换的目标。实验分析结果表明,应用该技术后,模型自动转换后节点电压相对误差较小,最大不超过0.5%。
In order to optimize transformation effect of power grid online models,reduce model transformation error,and improve accuracy of power grid simulation analysis,the automatic transformation technology of power grid online model based on PSD-BPA program is studied.First,the PSD-BPA automatic conversion application architecture is designed,forming a good foundation for follow-up study.Second,online model transmission line conversion of power grid is designed,so that the data card can record AC transmission line parameters in real time according to a certain format and transform the transmission line model according to transmission delay of power grid lines.On this basis,the power load can be automatically transformed through its static characteristic,and the goal of grid model online automatic transformation is realized by combining with the transformation result of transmission line.The experimental results show that the application of the proposed method can reduce relative error of node voltage after automatic model transformation to lower than 0.5%.
作者
王桢
吕凯
郭力
WANG Zhen;LV Kai;GUO Li(State Grid Anhui Electric Power Co.,Ltd.Electric Power Science Research Institute,Hefei 230031,China)
出处
《电工技术》
2023年第21期74-76,共3页
Electric Engineering
