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太赫兹器件测试用高重复频率高压脉冲电源

蔡政平 李伟松

蔡政平, 李伟松. 太赫兹器件测试用高重复频率高压脉冲电源[J]. 强激光与粒子束, 2018, 30: 023101. doi: 10.11884/HPLPB201830.170274
引用本文: 蔡政平, 李伟松. 太赫兹器件测试用高重复频率高压脉冲电源[J]. 强激光与粒子束, 2018, 30: 023101. doi: 10.11884/HPLPB201830.170274
Cai Zhengping, Li Weisong. Development of high frequency pulsed power supply for THz device test[J]. High Power Laser and Particle Beams, 2018, 30: 023101. doi: 10.11884/HPLPB201830.170274
Citation: Cai Zhengping, Li Weisong. Development of high frequency pulsed power supply for THz device test[J]. High Power Laser and Particle Beams, 2018, 30: 023101. doi: 10.11884/HPLPB201830.170274

太赫兹器件测试用高重复频率高压脉冲电源

doi: 10.11884/HPLPB201830.170274
基金项目: 

国家自然科学基金项目 11275004

详细信息
    作者简介:

    蔡政平(1974-),男,高级工程师,从事脉冲功率技术与电力电子技术研究;zhpcai@mail.ie.ac.cn

  • 中图分类号: TL507

Development of high frequency pulsed power supply for THz device test

  • 摘要: 为了开展太赫兹器件试验研究,设计了高重复频率脉冲电源系统。电源输出脉冲电压30 kV,脉冲电流200 mA,最大重复频率3 kHz,脉冲宽度10~100 μs,采用本地PLC加远程计算机控制模式来实现电源的本控及遥控。对系统的核心部件:充电电源和脉冲开关的拓扑结构进行了研究,并开展了仿真和试验。结果表明:采用LC串联谐振恒流充电技术以提高充电电源工作效率以及在负载打火情况下的可靠性;基于MOSFET并进行优化设计的串联脉冲开关可以获得快速的脉冲前后沿。电源系统的输出指标满足负载工作要求,在高重复频率、打火条件下能够稳定工作。
  • 图  1  脉冲电源系统结构框图

    Figure  1.  Schematic diagram of pulsed power supply

    图  2  高压充电电源原理图

    Figure  2.  Schematic diagram of high voltage charging power supply

    图  3  串联谐振典型工作波形

    Figure  3.  Schematic diagram of pulsed power supply

    图  4  控制策略框图

    Figure  4.  Block diagram of control strategy

    图  5  谐振电流波形

    Figure  5.  Waveforms of resonant current

    图  6  调制器原理图

    Figure  6.  Schematic diagram of modulator

    图  7  脉冲电压仿真波形

    Figure  7.  Simulation waveform of pulsed voltage

    图  8  脉冲电压后沿波形

    Figure  8.  Simulation waveforms of pulse rise time

    图  9  高压脉冲波形

    Figure  9.  Waveform of high voltage pulse

    图  10  脉冲前后沿波形

    Figure  10.  Waveform of pulse fall and rise time

    表  1  脉冲电源主要指标

    Table  1.   Parameters of pulsed power supply

    voltage/kV current/mA frequency/ kHz pulse width/μs rise time/μs fall time/μs
    30 200 3 10-100 <0.3 <0.3
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-07-03
  • 修回日期:  2017-10-23
  • 刊出日期:  2018-02-15

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