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220 kV乔长线线路杆塔防雷接地改造分析
引用本文:陈雷,张薛鸿,宋宁宁,刘连光.220 kV乔长线线路杆塔防雷接地改造分析[J].山西电力,2007(5):18-20.
作者姓名:陈雷  张薛鸿  宋宁宁  刘连光
作者单位:1. 华北电力大学,北京,102206
2. 临汾供电分公司,山西,临汾,041000
3. 长治供电分公司,山西,长治,046011
摘    要:基于220 kV乔长线杆塔及线路雷害事故情况分析,对其实施了杆塔接地改造,并对改造后的乔长线的接地电阻进行了理论计算后与实测接地电阻值进行比较,结果表明此次杆塔防雷接地改造取得了很好的效果。

关 键 词:乔长线  接地电阻  防雷
文章编号:1671-0320(2007)05-0018-03
收稿时间:2007-05-14
修稿时间:2007-08-12

Analysis of Grounding Alternation and Lightning Protection in 220 kV Qiaochang Transmission Line
CHENG Lei,ZHANG Xue-hong,SONG Ning-ning,LIU Lian-guang.Analysis of Grounding Alternation and Lightning Protection in 220 kV Qiaochang Transmission Line[J].Shanxi Electric Power,2007(5):18-20.
Authors:CHENG Lei  ZHANG Xue-hong  SONG Ning-ning  LIU Lian-guang
Affiliation:1. North China Electric Power University, Beijing 102206, China; 2. Linfen Power Supply Company, Linfen, Shanxi 041000, China; 3. Changzhi Power Supply Company, Changzhi, Shanxi 046011, China
Abstract:The grounding alternation of the steel tower and the lightning fault in 220 kV Qiaochang transmission line is analyzed.After alternation,the calculated grounding resistance values are compared with the measured values.The result indicates that the altered effect is satisfactory.
Keywords:Qiaochang transmission line  grounding resistance  the thunder and lightning protection
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