一例单相接地故障管理系统并联运行下的误判案例分析  

Analysis of Misjudgment Case in Parallel Operation of a Single Phase Grounding Fault Management System

作　　者：邓军 周强 DENG Jun;ZHOU Qiang(Hubei Xingrui Silicon Materials Co.,Ltd.,Hubei Yichang 443007,China)

机构地区：[1]湖北兴瑞硅材料有限公司,湖北宜昌443007

出　　处：《农村电气化》2024年第10期58-61,共4页Rural Electrification

摘　　要：对某化工企业10 kV电力系统发生单相接地故障时,2套MXJD单相接地故障管理系统在并联运行下的误判进行了研究。通过对该案例的现象、原因、影响和处理过程探讨,剖析MXJD单相接地故障管理系统的工作原理、系统设计、数据共享等关键参数,提出了单相接地故障管理系统在并联运行时的一些建议,为电网可靠运行提供参考。In this article studies the misjudgment of two sets of MXJD single-phase grounding fault management systems in parallel operation when a single-phase grounding fault occurs in a 10 kV power system of a chemical enterprise.By exploring the phenomena,causes,impacts,and handling processes of this case,the working principle,system design,data sharing,and other key parameters of the MXJD single-phase grounding fault management system are analyzed.Some suggestions for the parallel operation of the single-phase grounding fault management system are proposed,providing reference for the reliable operation of the power grid.

关 键 词：单相接地故障 并联运行 消弧线圈 数据共享 

分 类 号：TM764[电气工程—电力系统及自动化]