Study on ±800 kV DC Flashover Characteristics of Glass Insulator in High Altitude Area

WANG Su-lan1; CHEN Lei2; MA Yi2; WANG Wei3

doi:10.13296/j.1001-1609.hva.2013.03.017

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Study on ±800 kV DC Flashover Characteristics of Glass Insulator in High Altitude Area

更新时间：2025-04-26

- Study on ±800 kV DC Flashover Characteristics of Glass Insulator in High Altitude Area
- High VoltageApparatus Vol. 49, Issue 3, Pages: 99-102+109(2013)
- 作者机构：
  
  1. 华北电力大学云南电网公司研究生工作站
  2. 云南电力研究院
  3. 华北电力大学
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.03.017
  CLC： TM216.4
- Published：2013
- 稿件说明：
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[1]王素兰,陈磊,马仪,王伟.高海拔地区±800kV直流玻璃绝缘子污闪特性研究[J].高压电器,2013,49(03):99-102+109.

WANG Su-lan1, CHEN Lei2, MA Yi2, et al. Study on ±800 kV DC Flashover Characteristics of Glass Insulator in High Altitude Area[J]. High voltageapparatus, 2013, 49(3): 99-102+109.
[1]王素兰,陈磊,马仪,王伟.高海拔地区±800kV直流玻璃绝缘子污闪特性研究[J].高压电器,2013,49(03):99-102+109. DOI： 10.13296/j.1001-1609.hva.2013.03.017.

WANG Su-lan1, CHEN Lei2, MA Yi2, et al. Study on ±800 kV DC Flashover Characteristics of Glass Insulator in High Altitude Area[J]. High voltageapparatus, 2013, 49(3): 99-102+109. DOI： 10.13296/j.1001-1609.hva.2013.03.017.

摘要

为了解决特高压输电线路中的外绝缘问题

通过对大吨位玻璃绝缘子在不同盐密、不同灰密、不同染污情况下进行直流污闪特性试验

对其污闪特性进行了研究。试验表明:玻璃绝缘子和瓷绝缘子直流污闪特性相似;盐的大小、灰的大小及污秽分布情况对大吨位瓷绝缘子直流污闪特性影响较大。

Abstract

A series of DC flashover tests of glass insulators under different ESDD

NSDD and contamination conditions were conducted to understand external insulation of ultra high voltage DC transmission lines and the flashover characteristics of glass insulators.The porcelain insulators were tested in the same conditions for comparison.The results indicate that the flashover characteristics of glass insulators are similar to those of porcelain insulators;the size of ESDD and NSDD and distribution of contamination impose significant effects on the flashover characteristics of porcelain insulator.

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