软导线引下线风偏放电事故分析与改进措施 

陈清鹤1,2，李超1，陈荔青2

1 国网福州供电公司，福建 福州 350009；2 福州电力设计院有限公司，福建 福州 350007 
 

摘 要：针对一起由台风引起的软导线引下线风偏放电事故，进行大风速条件下的风偏位移计算，分析了事故成因，并从减小引下线高差角、降低弧垂等方面着手，提出了通过加高支柱绝缘子高度的方式来提高引下线抗风能力。计算结果表明改造后的方案提高了导线风偏后的安全裕度。
关键词：软导线；风偏计算；引下线弧垂
中图分类号：TM755 文献标识码：B 文章编号：1007-3175(2014)08-0046-04

Evaluation and Improvement Method for Discharge Accident of Flexible Conductor Down Lead Caused by Windage Yaw 

CHEN Qing-he1, 2, LI Chao1, CHEN Li-qing2 
1 Fuzhou Electric Power Supply Company of State Grid, Fuzhou 350009, China; 
2 Fuzhou Electric Power Design Institute Co., Ltd, Fuzhou 350007, China 
 

Abstract: In allusion of one discharge accident of flexible conductor down lead caused by typhoon, this paper calculated the windage yaw displacement in strong wind condition and analyzed the accident causes. Starting from reducing the down lead height difference angle, the sag and so on, this paper prosposed to increase the height of post insulator to improve the down lead anti-wind ability. The calculation results show that the improved plan raised the safety margin of the flexible conductor caused by windage yaw.
             Key words: flexible conductor; windage yaw calculation; down lead sag

参考文献
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