基于多目标优化的中压配电网电力电缆故障定位技术研究  

Research on Fault Location Technology for Power Cables in Medium Voltage Distribution Networks Based on Multi-Objective Optimization

作　　者：周飞 李宁 ZHOU Fei;LI Ning(State Grid Gansu Electric Power Company Qianyang Power Supply Company,Qingyang 745000,China)

机构地区：[1]国网甘肃省电力公司庆阳供电公司,甘肃庆阳745000

出　　处：《通信电源技术》2024年第22期22-24,共3页Telecom Power Technology

摘　　要：针对中压配电网电力电缆故障定位问题,提出一种基于多目标优化的新方法。该方法综合运用电缆故障特征提取、多源信息融合以及多目标优化等关键技术,通过优化目标函数实现故障点的快速、准确定位。实验结果表明,与传统方法相比,该方法在定位精度和速度方面均有显著提升,平均定位误差降至0.85%,平均计算时间缩短至0.92 s。研究成果为提高中压配电网运行可靠性和故障处理效率提供了新的技术支持。This article proposes a new method based on multi-objective optimization for fault location of power cables in medium voltage distribution networks.This method comprehensively utilizes key technologies such as cable fault feature extraction,multi-source information fusion,and multi-objective optimization to achieve fast and accurate fault location by optimizing the objective function.The experimental results show that compared with traditional methods,this method has significantly improved positioning accuracy and speed,with an average positioning error reduced to 0.85%and an average calculation time shortened to 0.92 s.The research results provide new technical support for improving the operational reliability and fault handling efficiency of medium voltage distribution networks.

关 键 词：中压配电网 电力电缆故障 多目标优化 故障定位 

分 类 号：TM73[电气工程—电力系统及自动化]