A Study of DC Flashover Characteristics of Polluted Insulators under Low Atmospheric Pressure

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A Study of DC Flashover Characteristics of Polluted Insulators under Low Atmospheric Pressure

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- A Study of DC Flashover Characteristics of Polluted Insulators under Low Atmospheric Pressure
- High VoltageApparatus Issue 6, Pages: 17-22(1989)
- 作者机构：
  
  重庆大学
- 作者简介：
- 基金信息：
- DOI：
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- Published：1989
- 稿件说明：
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[1]谢军,张建辉,陈明英,舒立春,孙才新,顾乐观.低气压下染污绝缘子的直流放电特性研究[J].高压电器,1989(06):17-22.

A Study of DC Flashover Characteristics of Polluted Insulators under Low Atmospheric Pressure[J]. High voltageapparatus, 1989, (6): 17-22.
[1]谢军,张建辉,陈明英,舒立春,孙才新,顾乐观.低气压下染污绝缘子的直流放电特性研究[J].高压电器,1989(06):17-22. DOI：

A Study of DC Flashover Characteristics of Polluted Insulators under Low Atmospheric Pressure[J]. High voltageapparatus, 1989, (6): 17-22. DOI：

摘要

根据在人工气侯室内对悬式绝缘子XP—7

XWP2—7

DC—Ⅱ—16和支柱绝缘子ZS1—35—400

ZWS1—35—400的直流污闪试验结果

得到了直流闪络电压与气压和盐密的关系

并对不同结构绝缘子的污闪特性进行了分析

提出了表征直流污闪电压随气压降低而下降的特性指数n值的选取原则

并与交流下的结果进行了比较和分析。

Abstract

In this paper

the relation between the DC polluted flashover voltage of 6 kinds of insulators and atmospheric pressure

ESDD was presented according to the test results of suspension insulators XP-7

XWP2-7

DC-2# 16 and support insulators ZS1-35-400

ZWS1-35-400 conducted in artificial climate chamber. The contaminated flashover characteristics of various structure insulators have been analysed . The selective principle of characteristic exponent n which reflects the decrease of polluted flashover voltage with the ecline of pressure was proposed. The test results under DC were compared with those under AC.

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