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电磁脉冲模拟装置用3 MV中储电容器的研制

陈志强 谢霖燊 贾伟 何小平 汤俊萍 陈维青

陈志强, 谢霖燊, 贾伟, 等. 电磁脉冲模拟装置用3 MV中储电容器的研制[J]. 强激光与粒子束, 2021, 33: 095001. doi: 10.11884/HPLPB202133.210195
引用本文: 陈志强, 谢霖燊, 贾伟, 等. 电磁脉冲模拟装置用3 MV中储电容器的研制[J]. 强激光与粒子束, 2021, 33: 095001. doi: 10.11884/HPLPB202133.210195
Chen Zhiqiang, Xie Linshen, Jia Wei, et al. Development of a 3 MV transfer capacitor used in an electromagnetic pulse simulator[J]. High Power Laser and Particle Beams, 2021, 33: 095001. doi: 10.11884/HPLPB202133.210195
Citation: Chen Zhiqiang, Xie Linshen, Jia Wei, et al. Development of a 3 MV transfer capacitor used in an electromagnetic pulse simulator[J]. High Power Laser and Particle Beams, 2021, 33: 095001. doi: 10.11884/HPLPB202133.210195

电磁脉冲模拟装置用3 MV中储电容器的研制

doi: 10.11884/HPLPB202133.210195
详细信息
    作者简介:

    陈志强(1987—),男,博士,副研究员,主要研究方向为强电磁脉冲环境模拟生成

  • 中图分类号: TM83

Development of a 3 MV transfer capacitor used in an electromagnetic pulse simulator

  • 摘要: 介绍了一台大型垂直极化有界波模拟装置所用中间储能电容器(简称中储电容器)的设计过程和实验结果。电容器采用基于元件和组件的模块化设计,呈锥台状结构,支撑壳体为真空工艺玻璃钢材料。电容器容值由模拟装置等效的二级脉冲压缩回路决定,取值为1.8 nF。电容器内部绝缘介质为十二烷基苯,外部绝缘介质为45#变压器油,设计耐压3 MV,其绝缘长度主要由元件的体绝缘特性决定。采用三维电磁仿真软件估算中储电容器与中储开关构成回路的电感为659 nH,接近于实测数据623 nH。电容器上脉冲电压的测量通过对电容器电流进行积分来获取,而电流的采集采用封装在SF6气体中的3个膜电阻并联后所构成测量模块实现。实际运行数据表明,中储电容器容值达到设计值,测量探头标定系数稳定,在工作电压3.1 MV条件下未发生绝缘问题。
  • 图  1  中储电容器结构示意图

    Figure  1.  Schematic diagram of transfer capacitor (1-high voltage ring, 2-ground ring, 3-shield ring, 4-branch of transfer capacitor)

    图  2  元件耐压实验结果

    Figure  2.  DC withstand test results of capacitor elements

    图  3  中储电容和中储开关构成回路电感计算模型和结果

    Figure  3.  Simulation model and result of the equivalent inductance of the transfer capacitor and transfer switch

    图  4  小阻值金属化膜电阻耐受脉冲电流实验结果

    Figure  4.  Pulsed current experimental results for small-resistance metallized film resistors

    图  5  中储电容与中储开关构成回路实测电流波形

    Figure  5.  Measured current waveform of the circuit made up of the transfer capacitor and the transfer switch

    图  6  改进前后中储电容测量探头标定结果

    Figure  6.  Calibration results of the transfer capacitor’s measuring probe before and after the improvement

    图  7  中储电容器典型电流和电压波形

    Figure  7.  Typical current and voltage waveforms of the transfer capacitor

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出版历程
  • 收稿日期:  2021-05-24
  • 修回日期:  2021-07-13
  • 网络出版日期:  2021-07-22
  • 刊出日期:  2021-09-24

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