the structure, work principle and field application of a monitoring system for earth fault in non-solidly earthed network are presented.
介绍一种小电流接地故障监测系统的构成、工作原理及现场应用情况。
a new approach to single phase to ground fault section location based on transient signals in a non-solidly earthed network is presented.
单相接地故障在小电流接地系统中出现比较频繁,尽快地选出故障线路对电网运行有重要意义。
existing earth fault protection in non solidly earthed network are not satisfactory in practical application due to the nature of weak fault current and unstable arc.
由于故障电流微弱、电弧不稳定等原因,小电流接地故障检测始终没有彻底解决。
on account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
由于故障电流小、电弧不稳定等原因,小电流接地系统单相故障选线问题始终没有得到彻底解决。