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触发隔离元件对多开关触发同步性的影响

王杰 陈林 冯元伟 蒋吉昊 赵越 刘宏伟 韩文辉 周良骥

王杰, 陈林, 冯元伟, 等. 触发隔离元件对多开关触发同步性的影响[J]. 强激光与粒子束. doi: 10.11884/HPLPB202537.240371
引用本文: 王杰, 陈林, 冯元伟, 等. 触发隔离元件对多开关触发同步性的影响[J]. 强激光与粒子束. doi: 10.11884/HPLPB202537.240371
Wang Jie, Chen Lin, Feng Yuanwei, et al. Influence of isolation element in trigger circuit on synchronization of multiple switches[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.240371
Citation: Wang Jie, Chen Lin, Feng Yuanwei, et al. Influence of isolation element in trigger circuit on synchronization of multiple switches[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202537.240371

触发隔离元件对多开关触发同步性的影响

doi: 10.11884/HPLPB202537.240371
详细信息
    作者简介:

    王 杰,309925853@qq.com

    通讯作者:

    陈 林,chenlin_mail@163.com

  • 中图分类号: TM836

Influence of isolation element in trigger circuit on synchronization of multiple switches

  • 摘要: 对于数十个基本放电支路并联同步放电的直线变压器驱动源(LTD)模块,触发隔离元件直接影响高功率气体开关的触发导通同步性,进而对整个LTD模块输出性能产生影响。为了优化选择触发隔离元件类型及参数,针对电阻及电感两种隔离方式进行了计算分析和实验对比。结果表明,电感隔离效果优于电阻隔离,同时对于不同的隔离电感参数,5 μH隔离电感下LTD模块输出结果相对最好。
  • 图  1  一路高压脉冲触发两个基本放电支路气体开关等效电路图

    Figure  1.  Equivalent circuit of two switches in different brick triggered by one trigger pulse

    图  2  采用不同隔离电阻时未导通开关触发极电压波形

    Figure  2.  Voltage on trigger electrode of unclosed switch for different isolation resistance

    图  3  采用不同隔离电感时未导通开关触发极电压波形

    Figure  3.  Voltage on trigger electrode of unclosed switch for different isolation inductance

    图  4  由24个放电支路并联的LTD模块

    Figure  4.  LTD cavity which consists of 24 bricks in parallel

    图  5  部分隔离电阻和隔离电感实物照片

    Figure  5.  Images of isolation resistor and inductor

    图  6  实验中获得的典型光纤探针信号波形

    Figure  6.  Typical optical signals in experiment

    表  1  不同触发隔离电阻和电感下未导通开关触发极电压脉冲幅值和上升沿

    Table  1.   Voltage amplitude and rise time on trigger electrode of unclosed switch for different isolation inductance or resistance

    resistance/Ω inductance/μH voltage amplitude/kV rise time/ns
    two switches keep opening one switch is closed two switches keep opening one switch is closed
    150 176.0 89.5 25.5 28.8
    300 176.0 123.5 27.2 28.0
    450 175.7 138.9 29.8 31.5
    600 175.2 146.0 32.6 32.6
    1 174.5 108.8 12.9 8.8
    3 213.6 146.8 16.6 13.3
    5 236.6 176.9 19.8 16.7
    7 251.4 198.5 22.0 19.4
    下载: 导出CSV

    表  2  不同隔离元件类型及参数下气体开关及LTD模块工作性能对比

    Table  2.   Comparison of gas switches and LTD cavity performances for different isolation element

    resistance/Ω inductance/μH work ratio of switch/% switch jitter/ns range of time delay/ns load voltage of LTD cavity/kV
    150702.17.681.8
    652.79.081.5
    603.914.281.0
    559.043.777.8
    300701.96.881.5
    652.810.481.1
    603.814.080.6
    559.038.678.7
    550701.86.081.8
    652.06.681.6
    603.313.280.7
    558.033.479.4
    3701.75.881.9
    651.85.681.8
    602.17.281.5
    553.916.480.6
    5701.85.681.9
    651.85.881.8
    601.96.881.4
    552.58.681.2
    7701.85.881.8
    651.95.481.6
    602.07.281.3
    553.214.880.7
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-10-22
  • 修回日期:  2024-12-26
  • 录用日期:  2024-12-26
  • 网络出版日期:  2025-01-20

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