摘要
变电站在进行二次回路直流系统的调试过程中或者运行环境较差的情况下,经常会遇到直流系统接地的问题。直流系统一旦发生接地故障,如何能够准确、快速地查找出直流接地点,尽快消除故障尤为重要。结合现场实际工作经验,认真分析了产生直流接地的原因及其危害,并且有针对性地介绍了快速查找直流接地点的步骤和方法。
The problems of the DC system earth often happen during secondury loop DC system debugging or bad operating conditions. The DC system earth fault once happens,it is the most important how to correctly and quickly find out DC earth point and remove the fault. Combining practical work experience, analyze the reason and harm of producing DC earth, and present procedures and motheds to seek the DC earth points.
作者
邓烨
DENG Ye(State Grid Yichang Power Supply Company, Yichang 443001, China)
出处
《电气开关》
2017年第1期101-103,共3页
Electric Switchgear
关键词
变电所
二次回路
直流接地
coverting station
secondary loop
DC earth
