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用于FLTD的陶瓷封装多间隙气体开关

姜晓峰 丛培天 周文渊 王志国 降宏瑜 孙铁平

姜晓峰, 丛培天, 周文渊, 王志国, 降宏瑜, 孙铁平. 用于FLTD的陶瓷封装多间隙气体开关[J]. 仁和测试, 2020, 32(3): 035007. doi: 10.11884/HPLPB202032.190383
引用本文: 姜晓峰, 丛培天, 周文渊, 王志国, 降宏瑜, 孙铁平. 用于FLTD的陶瓷封装多间隙气体开关[J]. 仁和测试, 2020, 32(3): 035007. doi: 10.11884/HPLPB202032.190383
Xiaofeng Jiang, Peitian Cong, Wenyuan Zhou, Zhiguo Wang, Hongyu Jiang, Tieping Sun. Ceramic packaged multi-gap gas switch for fast linear transformer driver[J]. Rhhz Test, 2020, 32(3): 035007. doi: 10.11884/HPLPB202032.190383
Citation: Xiaofeng Jiang, Peitian Cong, Wenyuan Zhou, Zhiguo Wang, Hongyu Jiang, Tieping Sun. Ceramic packaged multi-gap gas switch for fast linear transformer driver[J]. Rhhz Test, 2020, 32(3): 035007. doi: 10.11884/HPLPB202032.190383

用于FLTD的陶瓷封装多间隙气体开关

doi: 10.11884/HPLPB202032.190383
基金项目: 国家自然科学基金项目(51790521,51790523)
详细信息
    作者简介:

    姜晓峰(1985—),男,硕士,助理研究员,从事高功率气体开关和直线变压器驱动源技术研究;jiangxiaofeng@nint.ac.cn

  • 中图分类号: TM89

Ceramic packaged multi-gap gas switch for fast linear transformer driver

  • 摘要: 为了提高多间隙气体开关壳体的寿命、绝缘可靠性和装配的一致性,基于堆栈式多间隙气体开关开展了陶瓷封装多间隙气体开关工艺及击穿特性的研究。对比分析了不同封接工艺对陶瓷金属界面场分布的影响,优选了合理的封接结构。研制了用于FLTD的陶瓷封装多间隙气体开关并对其自击穿特性和触发特性开展了测试,结果表明:开关充干燥空气气压0.3 MPa、耐压±100 kV、峰值电流约30 kA条件下,5 000次放电的触发平均时延36.4 ns,抖动2.8 ns。该结果展示了陶瓷封装气体开关在产品化和免维护方面的优势,在FLTD模块中具有广阔应用前景。
  • 图  1  堆栈式电极支撑结构示意图

    Figure  1.  Schematic diagram of electrode support structure

    图  2  金属与陶瓷钎焊封装结构

    Figure  2.  Metal and ceramic packaging structures

    图  3  陶瓷封装的多间隙开关照片

    Figure  3.  Ceramic packaged multi-gap gas switch

    图  4  开关电场分布图

    Figure  4.  Electric field distribution of the switch

    图  5  沿陶瓷壳体的外表面和内表面电场分布

    Figure  5.  Electric field distribution along inner and outer surface

    图  6  开关测试实验电路和实验平台照片

    Figure  6.  Switch test circuit and test platform

    图  7  开关触发放电典型波形

    Figure  7.  Typical waveform of load current and triggering pulse

    图  8  开关自击穿特性

    Figure  8.  Self-breakdown characteristics of the switch

    图  9  5 000次放电开关触发时延的变化

    Figure  9.  Change of trigger delay of 5 000 discharges

    图  10  每间隔1 000炮开关连续50发的平均时延及其抖动

    Figure  10.  Average time delay and jitter of 50 consecutive discharges after every 1 000 discharges

    表  1  开关在不同工作电压和不同工作系数下触发时延及其抖动

    Table  1.   Measured delay and jitter of the switch under various charging voltage and switching coefficient

    charging voltage/kV delay@60%/ns jitter@60%/ns delay@70%/ns jitter@70%/ns delay@80%/ns jitter@80%/ns
    ±70 47.9 1.4 38.7 1.6 33.8 0.6
    ±80 46.6 1.5 36.5 1.5 32.4 1.2
    ±90 46.1 3.2 34.3 1.3 31.4 1.2
    ±100 44.1 4.5 33.7 1.4 31.0 3.0
    下载: 导出CSV
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出版历程
  • 收稿日期:  2019-09-25
  • 修回日期:  2020-01-15
  • 刊出日期:  2020-03-17

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