Statistical Analysis on Area Effect of Electrical Breakdown in Vacuum Interrupters

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Statistical Analysis on Area Effect of Electrical Breakdown in Vacuum Interrupters

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- Statistical Analysis on Area Effect of Electrical Breakdown in Vacuum Interrupters
- High VoltageApparatus Issue 5, Pages: 6-8(1996)
- 作者机构：
  
  1. 华中理工大学
  2. 华中理工大学武汉430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM85
- Published：1996
- 稿件说明：
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[1]何俊佳,邹积岩,程礼椿.引起真空灭弧室击穿的面积效应的统计描述[J].高压电器,1996(05):6-8.

Statistical Analysis on Area Effect of Electrical Breakdown in Vacuum Interrupters[J]. High voltageapparatus, 1996, (5): 6-8.
[1]何俊佳,邹积岩,程礼椿.引起真空灭弧室击穿的面积效应的统计描述[J].高压电器,1996(05):6-8. DOI：

Statistical Analysis on Area Effect of Electrical Breakdown in Vacuum Interrupters[J]. High voltageapparatus, 1996, (5): 6-8. DOI：

摘要

以存在于电极表面的击穿弱点为基础

在考虑了击穿弱点在电极表面的分布后

分别对均匀场和不均匀场两种情况下

真空灭弧室绝缘击穿的统计特性进行了分析

定量地给出了电极面积的变化对击穿概率的影响、即所谓的面积效应

导出了击穿累积概率随电极面积而变化的关系。

Abstract

It is known that the electrical breakdown occurring in a vacuum interrupterdepends on the electrode area

which is described as area effect. Considering the concept of weak point

with taking into account the distribution of weak points on the electrode surface

this area effect is quantitatively analyzed in the cases of uniform and non-uniform field respectively. The correlation between the electrode area and the cumulative probability of electrical breakdown is derived.

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