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配电线路防雷措施研究及新型线路避雷器的运用
引用本文:陈云林,葛维标,闫文奕. 配电线路防雷措施研究及新型线路避雷器的运用[J]. 电瓷避雷器, 2012, 0(6)
作者姓名:陈云林  葛维标  闫文奕
作者单位:1. 浙江临海供电局,浙江临海,317000
2. 南瑞集团公司电力成套工程分公司,南京,211106
摘    要:架空绝缘导线存在两种雷击断线形式。工频续流建弧与否决定绝缘导线是否断线,击穿点的与绝缘子横担的距离决定断线形式。防止雷击后工频续流建弧是解决配电线路雷害的主要方法。配电线路避雷器基本要求是:免维护;运行状态在巡视时可一目了然;安装时不与导线直接相连;能与各种绝缘子配合;损坏时不影响线路供电;可带电拆卸。

关 键 词:雷击断线  工频续流建弧  配电线路避雷器

The Research of Distribution Line Lightning Protection Measures and the Application of New Line Arrester
CHEN Yun-lin , GE Wei-biao , YAN Wen-yi. The Research of Distribution Line Lightning Protection Measures and the Application of New Line Arrester[J]. Insulators and Surge Arresters, 2012, 0(6)
Authors:CHEN Yun-lin    GE Wei-biao    YAN Wen-yi
Abstract:The overhead insulated conductor is able to be broken by lightning strike in two ways,the power-flow current arcing decides the insulated conductor broken or not,the distance between the breakthrough point and insulator cross arm decides the way of breakdown.To avoid power-flow current arc is the key solution to prevent distribution line from damaged by lightning strike.The basic requirements of distribution line arrester are: Maintenance free;outer visual inspection;no direct link to conductor when installing,good compatibility with different kinds of insulator,no affection to conductor operation when breakdown,online removal.
Keywords:lightning strike breakdown  power-flow current arcing  lightning protection
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