一种基于网形结构矩阵的配电网故障定位改进算法研究

Research on The Net-shaped Structure Matrix Improved Algorithm of Distribution System Fault Locating

作为故障定位的核心部分,故障定位算法的准确性与实时性非常重要。本文针对配网的各种故障情况以及不同的运行方式,在前人研究的基础上,提出一种新的算法。该算法以矩阵分析为基础,根据FTU上传的故障信息,仅选择包含故障信息的线路参与计算。算法可以根据配电网实际的运行方式形成相应的网络描述矩阵,能够实现普通树状网及开环运行环网的故障定位需求。通过Delphi语言编程实现该算法,证明了算法在定位方面的准确性,为其在实际工程的应用提供了理论依据。

As the core part of fault location,the accuracy and real time of the fault location algorithm are very important.In this paper,a new algorithm is proposed considering a variety of fault conditions in distribution network and under different operating modes based on previous research.The algorithm bases on matrix analysis and only calculates the lines containing fault information which is uploaded by FTU.This algorithm can form network describing matrix according to its operation mode and satisfy the need of fault location of tree network and open-loop operating loop network.This algorithm realized by programming in Delphi Language is proved its accuracy of fault location.This provides a theoretical basis for its practical application.