小电流接地系统故障定位方法综述

摘要

For power systems at home and abroad, the status of neutral grounding mode and the characteristics of single phase fault in smal current grounding system were presented; the fault location methods of smal current grounding systems were elaborated; the fault location principle was analyzed; the advantages and disadvantages of various methods were compared. The main problems of fault location in smal current grounding systems were pointed out, and some suggestions on the research of smal current grounding fault location were given out.%介绍了国内外电力系统中性点接地方式的现状和小电流接地系统发生单相故障的特点，详细阐述了小电流接地系统故障定位的方法，深入分析了定位原理，比较了各种方法的优缺点。指出了当前小电流接地故障定位存在的主要问题，并给出了小电流接地故障定位研究的几点建议。