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自触发紫外预电离开关脉冲击穿时延抖动影响因素及改进方法

王天驰 王海洋 黄涛 李俊娜 吴刚 谢霖燊 陈伟 杜应超

王天驰, 王海洋, 黄涛, 等. 自触发紫外预电离开关脉冲击穿时延抖动影响因素及改进方法[J]. 强激光与粒子束, 2022, 34: 075010. doi: 10.11884/HPLPB202234.210459
引用本文: 王天驰, 王海洋, 黄涛, 等. 自触发紫外预电离开关脉冲击穿时延抖动影响因素及改进方法[J]. 强激光与粒子束, 2022, 34: 075010. doi: 10.11884/HPLPB202234.210459
Wang Tianchi, Wang Haiyang, Huang Tao, et al. Influence factors of the pulsed breakdown time delay jitter of a self-triggered UV-illuminated switch and an improvement method[J]. High Power Laser and Particle Beams, 2022, 34: 075010. doi: 10.11884/HPLPB202234.210459
Citation: Wang Tianchi, Wang Haiyang, Huang Tao, et al. Influence factors of the pulsed breakdown time delay jitter of a self-triggered UV-illuminated switch and an improvement method[J]. High Power Laser and Particle Beams, 2022, 34: 075010. doi: 10.11884/HPLPB202234.210459

自触发紫外预电离开关脉冲击穿时延抖动影响因素及改进方法

doi: 10.11884/HPLPB202234.210459
详细信息
    作者简介:

    王天驰,wtc18@mails.tsinghua.edu.cn

    通讯作者:

    陈 伟,chenwei6802@163.com

  • 中图分类号: TM89

Influence factors of the pulsed breakdown time delay jitter of a self-triggered UV-illuminated switch and an improvement method

  • 摘要: 研究了一种自触发紫外预电离开关击穿时延抖动特性的影响因素,结果表明:触发间隙电容放电阶段起预电离作用时,预电离注入时刻开关电场是开关时延抖动的决定性因素,提高工作系数和采用逸出功更低的电极材料对降低开关在脉冲峰值附近击穿时的时延抖动效果有限。提出的改进方法为:减小开关均压电阻阻值,显著延长触发间隙的有效燃弧时间,消除预电离注入时间及抖动的影响。采用改进方法时可以使开关在工作电压300~800 kV、前沿100 ns、180 ns的脉冲峰值附近击穿时的时延抖动分别小于1.3 ns、2.8 ns。
  • 图  1  自触发预电离开关结构

    Figure  1.  The structure of the self-triggered pre-ionized switch

    图  2  实验平台等效电路

    Figure  2.  An equivalent circuit of the experimental platform

    图  3  实验波形及判读标准

    Figure  3.  Experimental waveforms and reading criteria

    图  4  不同工作系数下的开关击穿时延及抖动

    Figure  4.  Breakdown time delay and jitter under different working coefficient

    图  5  脉冲波形相同时电极材料对击穿时延及抖动的影响

    Figure  5.  Influence of electrode material on the breakdown time delay and jitter under the same input pulse waveform

    图  6  峰值击穿时电极材料对击穿时延及抖动的影响

    Figure  6.  Influence of electrode material on the breakdown time delay and jitter under the peak-time breakdown case

    图  7  峰值击穿时电极材料对击穿电压及分散性的影响

    Figure  7.  Influence of electrode material on the breakdown voltage and jitter under the peak-time breakdown case

    图  8  分压电阻阻值对触发间隙放电电流的影响

    Figure  8.  Influence of parallel resistor on the discharge current of trigger gap

    图  9  触发间隙持续燃弧时不同脉冲前沿下的击穿时延及抖动

    Figure  9.  Breakdown time delay and jitter with a continuously arcing trigger gap under different pulse rise time

    图  10  触发间隙持续燃弧时不同脉冲前沿下的击穿电压及分散性

    Figure  10.  Breakdown voltage and jitter with a continuously arcing trigger gap under different pulse rise time

    表  1  开关击穿特性数据(R=49 kΩ,去除Rtr)

    Table  1.   Breakdown characteristics of the switch (R=49 kΩ, Rtr removed)

    p/MPamean breakdown
    time delay ${\bar t}_{\rm{d}}$/ns
    breakdown time
    delay jitter tj/ns
    mean breakdown
    voltage ${\bar U}_{\rm{b}}$/kV
    percentage of front
    edge breakdown/%
    0.183.613.2249.752.6
    0.281.17.7365.570.0
    0.399.99.0485.0100
    0.499.33.3513.1
    0.596.92.5617.1
    0.696.23.2703.3
    0.797.53.5794.4
    下载: 导出CSV

    表  2  开关击穿特性数据(R=49 kΩ,Rtr=4.5 kΩ)

    Table  2.   Breakdown characteristics of the switch (R=49 kΩ, Rtr=4.5 kΩ)

    p/MPamean breakdown
    time delay ${\bar t}_{\rm{d}}$/ns
    breakdown time
    delay jitter tj/ns
    mean breakdown
    voltage ${\bar U}_{\rm{b}}$/kV
    percentage of front
    edge breakdown/%
    0.172.64.9271.9100
    0.288.35.8358.2
    0.395.56.8459.688.0
    0.498.03.9553.198.0
    0.592.33.1663.194.0
    0.695.52.1755.8100
    0.799.02.4839.0
    下载: 导出CSV

    表  3  开关击穿特性数据(R=49 kΩ,Rtr=2.2 kΩ)

    Table  3.   Breakdown characteristics of the switch (R=49 kΩ, Rtr=2.2 kΩ)

    p/MPamean breakdown
    time delay ${\bar t}_{\rm{d}}$/ns
    breakdown time
    delay jitter tj/ns
    mean breakdown
    voltage ${\bar U}_{\rm{b}}$/kV
    percentage of front
    edge breakdown/%
    0.199.42.5193.2100
    0.299.52.0311.3
    0.399.10.9423.9
    0.4101.21.2519.2
    0.5100.21.0630.8
    0.6100.21.6717.9
    0.799.11.6804.7
    下载: 导出CSV

    表  4  开关击穿特性数据(R=49 kΩ,Rtr=2.2 kΩ,脉冲前沿100 ns)

    Table  4.   Breakdown characteristics of the switch (R=49 kΩ, Rtr=2.2 kΩ, pulse rise time=100 ns)

    p/MPamean breakdown
    time delay ${\bar t}_{\rm{d}}$/ns
    breakdown time
    delay jitter tj/ns
    mean breakdown
    voltage ${\bar U}_{\rm{b}}$/kV
    breakdown voltage
    jitter/%
    0.4101.21.2519.20.47
    0.5100.21.0630.80.36
    0.6100.21.6717.90.42
    0.799.11.6804.70.35
    下载: 导出CSV

    表  5  开关击穿特性数据(R=49 kΩ,Rtr=2.2 kΩ,脉冲前沿180 ns)

    Table  5.   Breakdown characteristics of the switch (R=49 kΩ, Rtr=2.2 kΩ, pulse rise time=180 ns)

    p/MPamean breakdown
    time delay ${\bar t}_{\rm{d}}$/ns
    breakdown time
    delay jitter tj/ns
    mean breakdown
    voltage ${\bar U}_{\rm{b}}$/kV
    breakdown voltage
    jitter/%
    0.4169.07.1505.00.84
    0.5169.75.7603.90.54
    0.6169.27.8708.90.52
    0.7169.45.3780.20.66
    下载: 导出CSV
  • [1] 冯寒亮, 刘逸飞, 刘峰. 美国海军全舰电磁脉冲模拟器发展综述[J]. 中国舰船研究, 2020, 15(5):69-78. (Feng Hanliang, Liu Yifei, Liu Feng. An overview on the development of the U. S. navy full ship electromagnetic pulse simulators[J]. Chinese Journal of Ship Research, 2020, 15(5): 69-78

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    Xie Yanzhao, Wang Zanji, Wang Qunshu, et al. High altitude nuclear electromagnetic pulse waveform standards: a review[J]. High Power Laser and Particle Beams, 2003, 15(8): 781-787
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出版历程
  • 收稿日期:  2021-10-31
  • 修回日期:  2021-12-26
  • 录用日期:  2022-01-14
  • 网络出版日期:  2022-07-04
  • 刊出日期:  2022-05-12

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