Pre-discharge Current Characteristics of the SF<sub>6</sub> Gap and Spacer Stressed by VFTO

doi:10.13296/j.1001-1609.hva.2000.04.005

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Pre-discharge Current Characteristics of the SF₆ Gap and Spacer Stressed by VFTO

更新时间：2025-04-26

- Pre-discharge Current Characteristics of the SF₆ Gap and Spacer Stressed by VFTO
- High VoltageApparatus Issue 4, Pages: 19-23(2000)
- 作者机构：
  
  沈阳工业大学,沈阳,110023
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2000.04.005
  CLC： TM56
- Published：2000
- 稿件说明：
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[1]马少华,徐建源,王季梅.永磁操动机构特性分析和配用于高压真空断路器的可能性[J].高压电器,2000(04):19-23.

Pre-discharge Current Characteristics of the SF₆ Gap and Spacer Stressed by VFTO[J]. High voltageapparatus, 2000, (4): 19-23.
[1]马少华,徐建源,王季梅.永磁操动机构特性分析和配用于高压真空断路器的可能性[J].高压电器,2000(04):19-23. DOI： 10.13296/j.1001-1609.hva.2000.04.005.

Pre-discharge Current Characteristics of the SF₆ Gap and Spacer Stressed by VFTO[J]. High voltageapparatus, 2000, (4): 19-23. DOI： 10.13296/j.1001-1609.hva.2000.04.005.

摘要

本文介绍了永磁操动机构的工作原理

分析了永磁操动机构的特性

并探讨了其配用于高压真空断路器的可能性。

Abstract

Predischarge current in the SF 6 gap and on the spacer surface is detected. The measuring results show that the breakdown characteristics under the positive VFTO conform to the leader mechanism. But under negative VFTO

the streamer may cause the breakdown directly. Gas pressure has a direct effect on the leader step length and time interval. The back discharge phenomenon is probably a reason for lowering the flashover voltage of the spacer stressed by VFTO.

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Pre-discharge Current Characteristics of the SF6 Gap and Spacer Stressed by VFTO

DOI：10.13296/j.1001-1609.hva.2000.04.005

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Pre-discharge Current Characteristics of the SF₆ Gap and Spacer Stressed by VFTO