Technique of Capacitive Switching for Vacuum Switches

WU Yan; YU Yongxiang; HAN Shaigen; LIU Lan; LI Haomin; GENG Yingsan

doi:10.13296/j.1001-1609.hva.2017.03.004

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Technique of Capacitive Switching for Vacuum Switches

更新时间：2025-04-26

- Technique of Capacitive Switching for Vacuum Switches
- High VoltageApparatus Vol. 53, Issue 3, Pages: 26-34(2017)
- 作者机构：
  
  1. 配电变压器节能技术北京市重点试验室
  2. 西安交通大学电气工程学院电力设备与电气绝缘国家重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.03.004
  CLC： TM564
- Published：2017
- 稿件说明：
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[1]吴燕,余勇祥,韩筛根,刘岚,李昊旻,耿英三.真空开关容性电流开断技术[J].高压电器,2017,53(03):26-34.

WU Yan, YU Yongxiang, HAN Shaigen, et al. Technique of Capacitive Switching for Vacuum Switches[J]. High voltageapparatus, 2017, 53(3): 26-34.
[1]吴燕,余勇祥,韩筛根,刘岚,李昊旻,耿英三.真空开关容性电流开断技术[J].高压电器,2017,53(03):26-34. DOI： 10.13296/j.1001-1609.hva.2017.03.004.

WU Yan, YU Yongxiang, HAN Shaigen, et al. Technique of Capacitive Switching for Vacuum Switches[J]. High voltageapparatus, 2017, 53(3): 26-34. DOI： 10.13296/j.1001-1609.hva.2017.03.004.

摘要

文中针对目前真空开关在电容器无功补偿领域应用情况

介绍了真空开关电容器投切过程机理及两种检测真空开关容性电流开断能力的合成试验回路设计方案

并分析了目前几种常见真空开关容性电流开断技术特点。此外

介绍了文中开发的纳秒连续脉冲老炼技术。根据实验结果

纳秒连续脉冲老炼技术能有效降低容性电流开断后重击穿概率和重击穿概率分散性

因此该技术对提高真空开关容性电流开断能力具有显著效果。文中期望对促进真空开关的容性电流开断技术的不断进步有所帮助

从而使得真空开关能在容性无功补偿领域向着更高的电压等级迈进。

Abstract

Concerning the application of vacuum switches in capacitive reactive compensation

this article introduces the mechanism of capacitive current switching for vacuum switches and the design of two kinds of synthetic circuit for capacitive current switching tests

and then it analyzes the characteristics of the current techniques of capacitive switching for vacuum switches. Besides

analysis is focused on a high-frequency high-voltage impulse conditioning techniques. According to the experiment results

the high-frequency high-voltage impulse conditioning techniques can effectively reduce the values of restrike possibility and its scatterings

after capacitive current switching for vacuum switches. Therefore

this techniques can significantly increase the capacity of capacitive current switching for vacuum switches. The authors hope this paper can make contributions to the development of capacitive switching technique for vacuum switches

and make it possible for vacuum switches to be used in higher voltage levels for reactive compensation.

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