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电触发真空沿面闪络开关工作特性初步研究

叶明天 王真 龙天骏 周林 李正宏

叶明天, 王真, 龙天骏, 等. 电触发真空沿面闪络开关工作特性初步研究[J]. 强激光与粒子束, 2022, 34: 095009. doi: 10.11884/HPLPB202234.210445
引用本文: 叶明天, 王真, 龙天骏, 等. 电触发真空沿面闪络开关工作特性初步研究[J]. 强激光与粒子束, 2022, 34: 095009. doi: 10.11884/HPLPB202234.210445
Ye Mingtian, Wang Zhen, Long Tianjun, et al. Primary research on the operating characteristics of electrically triggered vacuum surface flashover switch[J]. High Power Laser and Particle Beams, 2022, 34: 095009. doi: 10.11884/HPLPB202234.210445
Citation: Ye Mingtian, Wang Zhen, Long Tianjun, et al. Primary research on the operating characteristics of electrically triggered vacuum surface flashover switch[J]. High Power Laser and Particle Beams, 2022, 34: 095009. doi: 10.11884/HPLPB202234.210445

电触发真空沿面闪络开关工作特性初步研究

doi: 10.11884/HPLPB202234.210445
基金项目: 中物院核物理与化学研究所发展项目
详细信息
    作者简介:

    叶明天,897660032@qq.com

  • 中图分类号: TM89

Primary research on the operating characteristics of electrically triggered vacuum surface flashover switch

  • 摘要: 为研究电脉冲触发真空沿面闪络开关在中、小通流条件下的适用性,基于直接镀铜基板工艺制作了真空沿面闪络开关样件并搭建了开关工作特性测试实验平台。通过实验手段初步研究了开关耐压特性、触发工作特性(触发延时、抖动、工作范围)和寿命特性。实验结果表明:有效间隙7.2 mm的真空沿面闪络开关直流耐压约40 kV;开关在18 kV工作电压下触发导通延时89.9 ns,抖动13.1 ns,开关在1~18 kV工作电压范围内均能可靠触发导通;连续考核约2300次后开关各项特性无明显变化。
  • 图  1  真空沿面闪络开关工作特性测试实验电路原理图

    Figure  1.  Circuit schematic for vacuum surface flashover switch test platform

    图  2  真空沿面闪络开关构型示意图

    Figure  2.  Sketch map of vacuum surface flashover switch

    图  3  真空沿面闪络开关直流耐压特性

    Figure  3.  DC voltage hold-off characteristic of vacuum surface flashover switch

    图  4  真空沿面闪络开关工作波形图

    Figure  4.  Waveforms of vacuum surface flashover switch in operation

    图  5  开关延迟时间500次考核中变化规律

    Figure  5.  Time delay of vacuum surface flashover switch in 500 shots

    图  6  工作电压对开关开通时间、延迟时间和抖动的影响

    Figure  6.  Influence of switch operation voltage on open time ton, delay td and jitter

    图  7  开关工作~2300次后表面形貌

    Figure  7.  Surface morphology of the switch after ~2300 shots

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出版历程
  • 收稿日期:  2021-10-20
  • 修回日期:  2022-04-28
  • 录用日期:  2022-05-19
  • 网络出版日期:  2022-05-21
  • 刊出日期:  2022-06-17

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