Effect of Contamination Composition on AC Flashover Performance of XWP<sub>2</sub>-70 Insulator String

YUAN Chao; TANG Mengying; ZHAO Kaiqiang; YAN Pengzhi; LIU Quan

doi:10.13296/j.1001-1609.hva.2016.03.019

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Effect of Contamination Composition on AC Flashover Performance of XWP₂-70 Insulator String

更新时间：2025-04-26

- Effect of Contamination Composition on AC Flashover Performance of XWP₂-70 Insulator String
- High VoltageApparatus Vol. 52, Issue 3, Pages: 118-122(2016)
- 作者机构：
  
  1. 江苏方天电力技术有限公司
  2. 国网江苏省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.2016.03.019
  CLC： TM216
- Published：2016
- 稿件说明：
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[1]袁超,唐梦颖,赵凯强,严鹏志,刘全.可溶物成分对XWP_2-70绝缘子串污闪特性的影响[J].高压电器,2016,52(03):118-122.

YUAN Chao, TANG Mengying, ZHAO Kaiqiang, et al. Effect of Contamination Composition on AC Flashover Performance of XWP₂-70 Insulator String[J]. High voltageapparatus, 2016, 52(3): 118-122.
[1]袁超,唐梦颖,赵凯强,严鹏志,刘全.可溶物成分对XWP_2-70绝缘子串污闪特性的影响[J].高压电器,2016,52(03):118-122. DOI： 10.13296/j.1001-1609.hva.2016.03.019.

YUAN Chao, TANG Mengying, ZHAO Kaiqiang, et al. Effect of Contamination Composition on AC Flashover Performance of XWP₂-70 Insulator String[J]. High voltageapparatus, 2016, 52(3): 118-122. DOI： 10.13296/j.1001-1609.hva.2016.03.019.

摘要

绝缘子污闪造成的事故严重威胁着电力系统的安全运行。在实际运行的线路中

由于周围环境不同

绝缘子表面积污的污秽成分也有所差异

因此研究不同污秽成分下绝缘子的污闪特性具有重大意义。笔者以XWP2-70标准瓷绝缘子为研究对象

通过人工污秽试验研究了视在盐密、可溶物成分对绝缘子污层电导率值和闪络电压值的影响

得到了其污闪特性。研究结果可为输电线路外绝缘设计和选择提供参考。

Abstract

The accidents caused by insulator pollution flashover seriously harm safe operation of power system. Different power transmission lines have different surrounding environments and different contamination compositions on their insulator surfaces. So it is necessary to research the effects of different contamination compositions on flashover performance of insulators. In this study

the XWP

-70 standard porcelain insulator was chosen for artificial pollution tests. The integral conductivity and flashover voltage of the contamination layer on the insulator were measured under different salt density and contamination composition

then the effects of salt density and contamination composition on the integral conductivity and flashover voltage were analysed. As a result

the p

ollution flashover performance of the XWP

-70 porcelain insulator string was obtained. This study may provide a reference for design and selection of external insulation of power transmission lines.

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LI Guo1

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Related Institution

Faculty of Mechanical And Electrical Engineering,Kunming University of Science and Technology

Yunnan Switchgear Factory

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University

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Shanghai ROX Electric Co., Ltd.

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Effect of Contamination Composition on AC Flashover Performance of XWP2-70 Insulator String

DOI：10.13296/j.1001-1609.hva.2016.03.019

摘要

Abstract

关键词

Keywords

references

Effect of Contamination Composition on AC Flashover Performance of XWP₂-70 Insulator String