中性点不接地系统间歇性单相接地故障分析

Analysis of Intermittent Single-phase Earth Fault for Isolated Neutral System

介绍了利用MATLAB对中性点不接地系统发生间歇性单相接地故障进行仿真,详细阐述了仿真模型的建模过程,同时将计算的故障线路的零序电流理论值与仿真值进行比较来验证仿真效果,归纳出中性点不接地系统间歇性单相接地故障时零序电压与零序电流的零序分量参数及特征。

This paper introduced the simulation of intermittent single-phase earth fault for isolated neutral system performed by MATLAB, expounded the simulation modeling process of the model in detail, verified the simulation results by comparing theoretical value and simulation value of zero sequence current for calculated faulty line, and summarized zero sequence component parameters and characteristics of zero sequence voltage and zero sequence current for intermittent single-phase earth fault for isolated neutral system.