Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF<sub>6</sub>

Zhou Liming Qiu Yuchang

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Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF₆

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- Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF₆
- High VoltageApparatus Issue 2, Pages: 13-17(1996)
- 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： TM862
- Published：1996
- 稿件说明：
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[1]周黎明,邱毓昌.空间电荷对SF_6气体正雷电冲击击穿的作用[J].高压电器,1996(02):13-17.

Zhou Liming Qiu Yuchang. Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF₆[J]. High voltageapparatus, 1996, (2): 13-17.
[1]周黎明,邱毓昌.空间电荷对SF_6气体正雷电冲击击穿的作用[J].高压电器,1996(02):13-17. DOI：

Zhou Liming Qiu Yuchang. Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF₆[J]. High voltageapparatus, 1996, (2): 13-17. DOI：

摘要

利用两种实验方法对比测试了预注入单极性空间电荷时

气体极不均匀场间隙正雷电冲击击穿特性。分析表明;直流叠加冲击电压法不适用于观察空间电荷的作用

而切换直流/冲击电压法能有效地反映空间电荷对冲击击穿的作用。

Abstract

I Positive and negative polarity charges are respectively injected intoa highly non-uniform field gap in SF6 gas by pre-existing dc corona discharges. The results indicate that the total breakdown voltage does not directly reflect the space charge effect on impulse breakdown under combined dc and impulse conditions

whereas the relation between impulse breakdown voltage and dc bias voltage is avaiable for this study under alternative dc/impulse voltage.

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Related Author

Qiu Yuchang

周黎明

邱毓昌

王智强

周黎明

邱毓昌

周黎明

邱毓昌

Related Institution

西安交通大学

汕头海洋聚苯树脂厂 710049

Chongqing Electric Power Research Institute

Operation and Maintenance Department,Chongqing Electric Power Company

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University

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Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF6

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Effect of Space Charges on Positive Lightning Impulse Breakdowm Voltage in SF₆