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双极性固态直线变压器驱动器的研制

饶俊峰 吴施蓉 朱益成 李孜 姜松 王永刚

饶俊峰, 吴施蓉, 朱益成, 等. 双极性固态直线变压器驱动器的研制[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200323
引用本文: 饶俊峰, 吴施蓉, 朱益成, 等. 双极性固态直线变压器驱动器的研制[J]. 强激光与粒子束. doi: 10.11884/HPLPB202133.200323
Rao Junfeng, Wu Shirong, Zhu Yicheng, et al. Research of bipolar solid-state linear transformer driver[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200323
Citation: Rao Junfeng, Wu Shirong, Zhu Yicheng, et al. Research of bipolar solid-state linear transformer driver[J]. High Power Laser and Particle Beams. doi: 10.11884/HPLPB202133.200323

双极性固态直线变压器驱动器的研制

doi: 10.11884/HPLPB202133.200323
基金项目: 国家重点研发计划数字诊疗专项(2019YFC0119100);国家自然科学基金青年基金项目(51707122);上海市青年科技英才扬帆计划(20YF1431100)
详细信息
    通讯作者:

    饶俊峰(1985—),男,博士,副教授,主要从事全固态高压脉冲发生器和低温等离子体应用等方面的研究工作;jfrao@usst.edu.cn

  • 中图分类号: TM83

Research of bipolar solid-state linear transformer driver

  • 摘要: 在针对脉冲电磁场肿瘤消融的应用场合,双极性脉冲比单极性脉冲效果更均匀,而要产生纳秒级前沿的双极性高压纳秒或亚微秒脉冲难度大,电磁干扰强,控制要求更高。设计了一台双极性全固态直线型变压器驱动源(SSLTD),双极性SSLTD由结构完全相同的LTD模块经过副边绕组反向串联构成,在负载上实现双极性窄脉冲。双极性SSLTD输出波形稳定的脉冲的关键在于磁芯复位,通过电阻负载实验,重点对比分析了复位电流的形式对复位效果的影响,以及采用直流复位时幅值、脉宽、正负脉冲时间间隔、单级模块中开关管并联数量、复位电流大小对双极性SSLTD输出的影响。实验结果表明,所设计的双极性SSLTD能够在500 Ω负载上稳定产生重频双极性纳秒脉冲,输出电压0~±5 kV可调,脉宽200~400 ns可调,正负脉冲时间间隔0~1 ms可调,上升沿和下降沿20~50 ns;反向串联的直流复位电路结构简单、复位效果好。该脉冲源使用模块化设计,结构紧凑,电气绝缘要求较低,可灵活输出双极性、正极性与负极性高压亚微秒脉冲。
  • 图  1  多级双极性全固态LTD等效电路

    Figure  1.  The equivalent circuit of a m-stage bipolar all-solid-state LTD

    图  2  正极性全固态LTD截面原理图

    Figure  2.  The half sectional view of positive all-solid-state LTD Schematic

    图  3  全固态LTD模块俯视图

    Figure  3.  Photo of the top view of an all-solid-state LTD module

    图  4  脉冲复位电路原理图

    Figure  4.  Pulse reset schematic.

    图  5  脉冲复位电流及双极性LTD输出脉冲时序图

    Figure  5.  Pulse reset current and bipolar LTD output pulse sequence diagram

    图  6  直流复位电路原理图

    Figure  6.  DC reset schematic

    图  7  膜等效电路

    Figure  7.  Membrane equivalent circuit

    图  8  双极性全固态LTD测试环境

    Figure  8.  Test environment of bipolar all-solid-state LTD

    图  9  1 ms 1 A脉冲复位电流波形

    Figure  9.  1 ms 1 A pulse reset current waveform

    图  10  30 ms 1 A脉冲复位电流波形

    Figure  10.  30 ms 1 A pulse reset current waveform

    图  11  不同复位电流形式双极性全固态LTD输出电压波形

    Figure  11.  The different output voltage waveforms with DC and pulse reset current

    图  12  双极性全固态LTD输出不同幅值电压波形

    Figure  12.  The different voltage waveforms with variable charging voltages

    图  13  双极性全固态LTD输出不同脉宽电压波形

    Figure  13.  The different output voltage waveforms with width variable

    图  14  不同开关管并联数量双极性全固态LTD输出电压波形

    Figure  14.  The different output voltage waveforms with the number of parallel mosfet variable

    图  15  不同脉冲时间间隔双极性全固态LTD输出电压波形

    Figure  15.  The different output voltage waveforms with pulse interval variable

    图  16  不同直流复位电流大小双极性全固态LTD输出电压波形

    Figure  16.  The different output voltage waveforms with DC reset current variable

    图  17  不同副边结构LTD输出电压波形

    Figure  17.  The different output voltage waveforms with secondary side variable

    图  18  双极性LTD输出电压波形及负极性模块MOSFET两端波形

    Figure  18.  Waveforms with output voltage of bipolar and MOSFET in negative module

    表  1  单级全固态LTD模块上的主要器件

    Table  1.   MAIN DEVICES ON SINGLE All-solid-state LTD MODULE

    devicemodelparameternumber
    driver IC MCP1407 15 V,6 A 15
    SiC MOSFET C2M0080120 1200 V,31.6 A 14
    capacitor 2220AC104KAT1A 1000 V,100 n 28
    magnetic core 1K107 130.5 mm×86.5 mm×13.5 mm 1
    optic receiver T1521Z/R2521Z 5 Mb/s 1
    下载: 导出CSV
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出版历程
  • 收稿日期:  2020-11-30
  • 修回日期:  2021-03-04
  • 网络出版日期:  2021-03-24

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