Research the Influences of Rime Icing on Surface Field Strength of Stranded Conductor

LI Song-lin; JIANG Xing-liang; LI Chang-ming; CHEN Ji; FAN Xiao-yu; ZHANG Man

doi:10.13296/j.1001-1609.hva.2013.11.008

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Research the Influences of Rime Icing on Surface Field Strength of Stranded Conductor

更新时间：2025-04-26

- Research the Influences of Rime Icing on Surface Field Strength of Stranded Conductor
- High VoltageApparatus Vol. 49, Issue 11, Pages: 37-42(2013)
- 作者机构：
  
  1. 中国石油川庆钻探工程有限公司井下作业公司
  2. 重庆大学输配电装备及系统安全与新技术国家重点实验室
  3. 遵义市供电局
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.11.008
  CLC： TM85
- Published：2013
- 稿件说明：
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[1]李松林,蒋兴良,李长明,陈吉,范晓雨,张满.雾凇覆冰对导线表面场强影响研究[J].高压电器,2013,49(11):37-42.

LI Song-lin, JIANG Xing-liang, LI Chang-ming, et al. Research the Influences of Rime Icing on Surface Field Strength of Stranded Conductor[J]. High voltageapparatus, 2013, 49(11): 37-42.
[1]李松林,蒋兴良,李长明,陈吉,范晓雨,张满.雾凇覆冰对导线表面场强影响研究[J].高压电器,2013,49(11):37-42. DOI： 10.13296/j.1001-1609.hva.2013.11.008.

LI Song-lin, JIANG Xing-liang, LI Chang-ming, et al. Research the Influences of Rime Icing on Surface Field Strength of Stranded Conductor[J]. High voltageapparatus, 2013, 49(11): 37-42. DOI： 10.13296/j.1001-1609.hva.2013.11.008.

摘要

中国雾凇冰灾极其频发且引起输电线路事故最多

覆冰后的导线表面由于冰树枝的生长变得极为粗糙

冰树枝尖端会使得导线表面电场发生严重畸变进而增大表面场强;为研究雾凇覆冰后的导线表面电场分布规律

在多功能人工气候室内完成了对钢芯铝绞线雾凇覆冰的参数测量

根据冰树枝尖端形态建立相应的电场分布模型

再利用有限元法对尖端场强进行计算。结果表明:雾凇冰树枝尖端严重增大导线表面电场

但随着覆冰厚度的增加

导线表面场强会逐渐减小且减小速度逐渐变慢;所得结论可为雾凇频发地区的输电线路设计和选型提供理论依据。

Abstract

Rime icing disaster in China was so frequent that it caused the accident of transmission line most

the surface of wire becomes extremely rough due to the growth of ice-tree by rime

and the electric field on the conductor surface will be distorted seriously by rime

moreover

field intensity will be strengthened too. Therefore

in order to explorer surface field distribution on conductor that was icing coated by rime

icing parameter of the Steel Core Aluminum Stranded wire by rime was measured in the Multi-function Artificial Climate Chamber

then electric field distribution model was established according to the shape of ice branch tip

last but not least field strength on the ice-tree tip was calculated by the finite element method. Results show that: ice branch tip can strengthen the conductor field intensity significantly

with the increasing of the thickness of the rime

field strength will decrease gradually with the rate of declining slow down. The conclusion of this paper can provide the selection reference for the overhead transmission line in rime area.

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