摘要
弧光接地一直是威胁电力电网安全运行的重要隐患,为此也造成业内人士及相关专家多年来对于中性点接地方式的争论,该文简要阐述国内常用的两种不同的接地方式并介绍一种新的保护方案,论述其原理及特点。其目的在于找到一种适合我国电力电网运行方式的最佳保护方案。
Are grounding is a hidden trouble that it threaten electric power and distribution network of safe operation. It bring controversy of pertinent experts to grounding mode of neutral point. The paper introduces a kind of new protective method that arc suppression and overvoltage combination,discuss its principle and characteristic,in order to find a best protective method, it adapt to state electric power of China and distribution network function scheme.
出处
《江西电力》
2005年第6期45-47,共3页
Jiangxi Electric Power
关键词
电网
中性点
接地
方式弧光
金属
消弧线圈
power network
neutral-point
grounding
mode arc grounding
metal grounding
arc suppression coil
