Analysis on the Insulating Sheath Test for Transmission Line

DONG Xinsheng; ZHANG Dong; ZHU Zhangfu; ZHUANG Wenbing; ZHOU Libing

doi:10.13296/j.1001-1609.hva.2016.06.014

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Analysis on the Insulating Sheath Test for Transmission Line

更新时间：2025-04-26

- Analysis on the Insulating Sheath Test for Transmission Line
- High VoltageApparatus Vol. 52, Issue 6, Pages: 86-90+97(2016)
- 作者机构：
  
  国网新疆电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.06.014
  CLC： TM75
- Published：2016
- 稿件说明：
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[1]董新胜,张东,朱章甫,庄文兵,周利兵.输电线路用绝缘护套试验研究[J].高压电器,2016,52(06):86-90+97.

DONG Xinsheng, ZHANG Dong, ZHU Zhangfu, et al. Analysis on the Insulating Sheath Test for Transmission Line[J]. High voltageapparatus, 2016, 52(6): 86-90+97.
[1]董新胜,张东,朱章甫,庄文兵,周利兵.输电线路用绝缘护套试验研究[J].高压电器,2016,52(06):86-90+97. DOI： 10.13296/j.1001-1609.hva.2016.06.014.

DONG Xinsheng, ZHANG Dong, ZHU Zhangfu, et al. Analysis on the Insulating Sheath Test for Transmission Line[J]. High voltageapparatus, 2016, 52(6): 86-90+97. DOI： 10.13296/j.1001-1609.hva.2016.06.014.

摘要

为了减少输电线路因鸟粪跳闸

现采用绝缘护套增加线路绝缘以弥补其他防鸟措施的不足

但在绝缘护套进行试验时发现绝缘护套的粘接方式、安装距离对其绝缘性能有较大的影响。为了使绝缘护套的性能达到最优

通过试验分析了绝缘护套粘接方式和安装距离对绝缘护套绝缘性能的影响

得出了绝缘护套在粘接时应当在绝缘护套的凹槽和凸棱两侧都应当涂粘接剂

绝缘护套安装后裸露导体距离与可能出现鸟粪的距离最小应当大于60 cm;同时利用ANSYS对不同的粘接方式、不同长度的绝缘护套和安装效果进行了仿真

仿真结果与试验结果较为吻合。对现场安装方式和安装效果进行了分析

从现场运行效果来看

线路安装绝缘护套可以有效防止鸟粪闪络。通过以上分析

为绝缘护套在现场安装中提供了指导

同时也为不同类型的绝缘护套试验提供了指导。

Abstract

To reduce the tripping operation of transmission lines due to bird droppings

insulating sheath is adopted to compensate shortcomings of other anti-bird measures. Tests of insulating sheath showed that bonding method and installation distance impose significant effects on insulation property of the sheath. In this study

the effects of the bonding method and installation distance on insulation property of insulating sheath were analyzed experimentally to achieve optimal insulation performance. The results show that it is necessary to brush adhesive on the groove and both convex sides of the sheath in bonding process

and the minimum distance from the bare conductor to the possible place of bird droppings should be greater than 60 cm after installation of insulating sheath. Moreover

the finite element analysis software ANSYS was employed to simulate the insulating sheaths with different bonding methods and lengths and to investigate their installation performances. The simulation results are in good agreement with the experimental ones. On-site application of the insulating sheath demonstrates that it can effectively prevent bird droppings-induced flashover.

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