INVESTIGATION OF RAIN CONTAMINATION FLASHOVER AND APPLICATION OF AIDED SHEDS

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INVESTIGATION OF RAIN CONTAMINATION FLASHOVER AND APPLICATION OF AIDED SHEDS

更新时间：2025-04-26

- INVESTIGATION OF RAIN CONTAMINATION FLASHOVER AND APPLICATION OF AIDED SHEDS
- High VoltageApparatus Issue 6, Pages: 6-10(2001)
- 作者机构：
  
  中国电力科学研究院,北京,100085
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM835
- Published：2001
- 稿件说明：
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[1]刘有为.500kV套管和CT雨污闪的研究与对策[J].高压电器,2001(06):6-10.

LIU You wei. INVESTIGATION OF RAIN CONTAMINATION FLASHOVER AND APPLICATION OF AIDED SHEDS[J]. High voltageapparatus, 2001, (6): 6-10.
[1]刘有为.500kV套管和CT雨污闪的研究与对策[J].高压电器,2001(06):6-10. DOI：

LIU You wei. INVESTIGATION OF RAIN CONTAMINATION FLASHOVER AND APPLICATION OF AIDED SHEDS[J]. High voltageapparatus, 2001, (6): 6-10. DOI：

摘要

分析了葛洲坝大江电厂套管等发生大雨闪络的原因

提出了雨污闪的概念

探讨了雨污闪的形成过程

并就影响雨污闪的因素诸如“密裙”、“锥形”及“污层电导”等进行了讨论。以 5 0 0kV的MOA瓷套为试品

试验研究了 45°及垂直淋雨环境下瓷套直立和倾斜安装时的雨污闪特性以及安装辅助裙后雨污闪电压的提高幅度

还讨论了辅助裙的大小、数量、安装位置、安装方式（粘接或不粘接）和实际效果。

Abstract

A new concept of rain contamination flashover（RCF） is proposed based on the analysis of the RCF of bushing and CT at Gezhouba power station.The causes leading to these incidences are investigated.To study measures against the RCF of bushing and CT

tests are performed on a porcelain housing for 500 kV MOA with and without aided sheds.The factors affecting the performance of aided sheds such as the shape

the number

the applied location and the fixing method are discussed.

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