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基于甘油脉冲形成线和变阻抗传输线的气体主开关后置型脉冲驱动源

张仁杰 张瀚文 陈绒 程新兵 潘子龙 李如培 陈洁 曾刘陆

张仁杰, 张瀚文, 陈绒, 等. 基于甘油脉冲形成线和变阻抗传输线的气体主开关后置型脉冲驱动源[J]. 强激光与粒子束, 2025, 37: 045004. doi: 10.11884/HPLPB202537.240336
引用本文: 张仁杰, 张瀚文, 陈绒, 等. 基于甘油脉冲形成线和变阻抗传输线的气体主开关后置型脉冲驱动源[J]. 强激光与粒子束, 2025, 37: 045004. doi: 10.11884/HPLPB202537.240336
Zhang Renjie, Zhang Hanwen, Chen Rong, et al. A post-positioned gas main switch pulse generator based on glycerol pulse forming line and variable impedance transmission line[J]. High Power Laser and Particle Beams, 2025, 37: 045004. doi: 10.11884/HPLPB202537.240336
Citation: Zhang Renjie, Zhang Hanwen, Chen Rong, et al. A post-positioned gas main switch pulse generator based on glycerol pulse forming line and variable impedance transmission line[J]. High Power Laser and Particle Beams, 2025, 37: 045004. doi: 10.11884/HPLPB202537.240336

基于甘油脉冲形成线和变阻抗传输线的气体主开关后置型脉冲驱动源

doi: 10.11884/HPLPB202537.240336
基金项目: 脉冲功率激光技术国家重点实验室开放研究基金项目(SKL2022ZR01)
详细信息
    作者简介:

    张仁杰,657840564@qq.com

    通讯作者:

    程新兵,120chch@163.com

  • 中图分类号: TM832

A post-positioned gas main switch pulse generator based on glycerol pulse forming line and variable impedance transmission line

  • 摘要: 采用气体主开关后置的结构,研制了一台基于甘油介质脉冲形成线和变阻抗传输线结构的脉冲驱动源。该驱动源由气体开关、Tesla变压器、双螺旋Blumlein线、变阻抗传输线和负载构成。论文就共外筒的双螺旋Blumlein线和变阻抗传输线的绝缘耐压技术设计,以及开关不同位置对驱动源输出波形的影响等内容进行分析和研究。通过理论分析、仿真模拟、结构优化和实验研究等方法,对驱动源的结构设计、绝缘耐压和负载匹配等关键性问题进行处理,从而提高了驱动源整体的紧凑化和小型化水平。实验结果表明,该驱动源可在50 Ω的负载上输出峰值电压177 kV、脉冲宽度101.4 ns的准方波脉冲信号。
  • 图  1  脉冲驱动源整体结构示意图

    Figure  1.  Schematic diagram of overall structure of the pulse generator

    图  2  脉冲驱动源电路原理图

    Figure  2.  Circuit schematic of the pulse generator

    图  3  Tesla变压器结构示意图

    Figure  3.  Schematic diagram of the Tesla transformer

    图  4  双螺旋Blumlein线结构示意图

    Figure  4.  Schematic diagram of the double helix Blumlein pulse line

    图  5  高功率气体开关结构示意图

    Figure  5.  Schematic diagram of the high-power gas switch

    图  6  主开关安装在不同位置的结构示意图

    Figure  6.  Structure diagram of the main switch installed in different positions

    图  7  主开关安装在不同位置的仿真结构图

    Figure  7.  Simulation structure diagram of the main switch installed in different positions

    图  8  脉冲驱动源气体主开关位置对输出波形的影响

    Figure  8.  Influence of gas main switch position on output waveform

    图  9  双螺旋Blumlein线的仿真结构图

    Figure  9.  Simulation structure diagram of the double helix Blumlein line

    图  10  双螺旋Blumlein线和变阻抗传输线的仿真结构图

    Figure  10.  Simulation structure diagram of the double helix Blumlein line and variable impedance transmission line

    图  11  脉冲驱动源实物图

    Figure  11.  Image of the pulse generator

    图  12  脉冲驱动源高压典型输出波形

    Figure  12.  Typical output waveforms of the pulse generator at high voltage

    表  1  开关主要结构参数

    Table  1.   Main structural parameters of the switch (cm)

    gap length high electrode
    external radius
    low electrode
    inner radius
    shell radius connecting conductor length
    of high electrode and BPFL
    2.2 3.5 1.25 11.35 8.1
    下载: 导出CSV

    表  2  不同开关位置的仿真结果

    Table  2.   Results of simulations of different switch position

    switch rising edge/ns FWHM/ns peak voltage/V peak-peak jitter/% energy efficiency/% power density/(kW·m−3)
    structure 1 34.692 107.55 216 4.9 66.96 15.87
    structure 2 25.419 103.19 206 17.46 64 13.37
    structure 3 25.216 102.23 203 15.41 62.95 9.23
    下载: 导出CSV

    表  3  双螺旋Blumlein线和变阻抗传输线仿真结果

    Table  3.   Results of simulations of double helix Blumlein line and variable impedance transmission line

    peak voltage/V matched impedance/% power/W power density/(kW·m−3)
    double helix Blumlein line 179.3 50 642.97 21.65
    variable impedance transmission line 213.2 50 852.85 19.38
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-09-19
  • 修回日期:  2025-02-27
  • 录用日期:  2025-02-27
  • 网络出版日期:  2025-03-17
  • 刊出日期:  2025-04-15

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