In this system , once the method of selecting line with fault is perfected , the method of neutral point grounding through perterson coil will be the preferred method of neutral grounding in power supply networks without doubt 在这种系统中，一旦接地选线保护方法完善，消弧线圈接地方式无疑将成为配电网中性点接地方式的首选之一。
New designed auto tracing arc eliminating device based on this technique contents more technology , which has sample circuit , wide tuning scope , quick response and low noise . this paper firstly introduces neutral grounding histroy . by analyzing the syntony grounding theory , the transient and stable process of one - phase grounding fault , the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized 论文中首先介绍了中性点接地方式的发展过程，通过对谐振接地原理和单相接地故障的暂态、稳态分析，认识到接地故障对系统安全运行的危害，通过消弧线圈对接地电容电流的迅速准确补偿是减小故障危害的最主要手段。
