Pre-ionization Effect on Impulse Breakdown in a Pin-Plane Gap

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Pre-ionization Effect on Impulse Breakdown in a Pin-Plane Gap

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- Pre-ionization Effect on Impulse Breakdown in a Pin-Plane Gap
- High VoltageApparatus Issue 6, Pages: 9-12+34(1994)
- 作者机构：
  
  1. 西安交通大学
  2. 西安交通大学 710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM835
- Published：1994
- 稿件说明：
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[1]周黎明,邱毓昌.预电离对尖—板间隙冲击击穿的影响[J].高压电器,1994(06):9-12+34.

Pre-ionization Effect on Impulse Breakdown in a Pin-Plane Gap[J]. High voltageapparatus, 1994, (6): 9-12+34.
[1]周黎明,邱毓昌.预电离对尖—板间隙冲击击穿的影响[J].高压电器,1994(06):9-12+34. DOI：

Pre-ionization Effect on Impulse Breakdown in a Pin-Plane Gap[J]. High voltageapparatus, 1994, (6): 9-12+34. DOI：

摘要

实验发现

负离子的脱附作用是封闭尖-板间隙冲击放电的主要初始电子源.在空气中添加少量电负性气体SF

或R12（CCI

）

冲击击穿电压得到大幅度提高

这是由于形成了高稳定性的负离子的缘故.

Abstract

It is found experimentally that the main source of initiatory elec-trons in an enclosed gap is the electron detachment from unstable negative ions. And therefore a small amount of electronegative additive of SF6 or R12（CC12F2） in air

which results in formation of very stable negative ions

leads to a significant in-crease in impulse breakdown voltages in a highly nonuniform field gap.

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Related Institution

西安交通大学

汕头海洋聚苯树脂厂 710049

Operation and Maintenance Department,Chongqing Electric Power Company

Chongqing Electric Power Research Institute

Chongqing Taishan Cable Co., Ltd.

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