某35 kV变电站6 kV系统单相接地线路精准选线现场试验  

On Site Test of Precise Selection of Single-phase Grounding Iines for a 6 kV System in a 35 kV Substation

作　　者：杨忠华 甘朝宏 张兴凯 杜鸿儒 李成 YANG Zhonghua;GAN Chaohong;ZHANG Xingkai;DU Hongru;LI Cheng

机构地区：[1]国能乌海能源矿区水电管理有限责任公司,内蒙古乌海016000 [2]安徽京卓电气有限公司,安徽合肥230000

出　　处：《电力系统装备》2023年第12期50-52,共3页Electric Power System Equipment

摘　　要：文章就某35kV变电站6kV高压配电系统,验证系统安装的新型智能精准选线装置,在各种运行状态下查找发生单相接地故障线路的准确性。现场按照规范采取安全措施和充分做好预案后,通过在现场将运行线路单相直接接地的方式,进行精准选线装置快速查找单相接地故障线路的试验和数据收集。试验结果证明了6kV系统通过智能选线装置快速查找故障线路方式的可靠性和准确性。The article validates the accuracy of a new intelligent and precise line selection device installed in a 6 kV high-voltage distribution system of a 35 kV substation,which can detect single-phase grounding faults in various operating conditions.After taking safety measures and fully preparing contingency plans in accordance with regulations on site,precise line selection devices are used to quickly locate single-phase grounding fault lines through testing and data collection by directly grounding the operating lines on site.The experimental results have proven the reliability and accuracy of the 6 kV system's fast fault line detection method through intelligent line selection devices.

关 键 词：高压配电系统单相接地 单相接地智能精准选线 

分 类 号：TM63[电气工程—电力系统及自动化]