Dielectric Strength of SF6/CO2 Gas Mixtures

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Dielectric Strength of SF6/CO2 Gas Mixtures

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- Dielectric Strength of SF6/CO2 Gas Mixtures
- High VoltageApparatus Issue 3, Pages: 7-11(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： TM591
- Published：1994
- 稿件说明：
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[1]邱毓昌,肖登明.SF_6—CO_2混合气体的绝缘强度[J].高压电器,1994(03):7-11.

Dielectric Strength of SF6/CO2 Gas Mixtures[J]. High voltageapparatus, 1994, (3): 7-11.
[1]邱毓昌,肖登明.SF_6—CO_2混合气体的绝缘强度[J].高压电器,1994(03):7-11. DOI：

Dielectric Strength of SF6/CO2 Gas Mixtures[J]. High voltageapparatus, 1994, (3): 7-11. DOI：

摘要

研究表明

虽然SF

—CO

混合气体在均匀电场中的击穿强度稍逊于同样混合比的SF

—N

混合气体

但在不均匀电场中的击穿强度、特别是在雷电冲击电压下的击穿强度

却优于SF

—N

.此外

—CO

在气膜复合绝缘中的局部放电特性也优于SF

—N

混合气体.

Abstract

Although the breakdown strength of the SF6-CO2 gas mixture is slightly lower than that of the corresponding SF6-N2 gas mixture in a uniform field

it is superior to the SF6-N2 in non -uniform fields especially under lightning impulses. Furthermore

the SF6-CO2 gas mixture is superior to the SF6-N2 mix-ture in respect of partial discharge characteristics in the gas/film insulation.

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