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带反偏置的双路高压脉冲电源的研究

李孜 张迪 姜松 王永刚 饶俊峰

李孜, 张迪, 姜松, 等. 带反偏置的双路高压脉冲电源的研究[J]. 强激光与粒子束, 2024, 36: 035002. doi: 10.11884/HPLPB202436.240003
引用本文: 李孜, 张迪, 姜松, 等. 带反偏置的双路高压脉冲电源的研究[J]. 强激光与粒子束, 2024, 36: 035002. doi: 10.11884/HPLPB202436.240003
Li Zi, Zhang Di, Jiang Song, et al. Research on two-channel high-voltage pulse generator with reverse bias voltage[J]. High Power Laser and Particle Beams, 2024, 36: 035002. doi: 10.11884/HPLPB202436.240003
Citation: Li Zi, Zhang Di, Jiang Song, et al. Research on two-channel high-voltage pulse generator with reverse bias voltage[J]. High Power Laser and Particle Beams, 2024, 36: 035002. doi: 10.11884/HPLPB202436.240003

带反偏置的双路高压脉冲电源的研究

doi: 10.11884/HPLPB202436.240003
基金项目: 国家自然科学基金项目(12205192); 姑苏青年领军人才项目(ZXL2023210)
详细信息
    作者简介:

    李 孜,lz7209@126.com

    通讯作者:

    饶俊峰,raojunfeng1985@163.com

  • 中图分类号: TM832

Research on two-channel high-voltage pulse generator with reverse bias voltage

  • 摘要: 通过调节反向偏置电压可以改善电场渗透对质谱仪的影响,提高质谱仪的分辨率。为了满足质谱仪对脉冲电场的不同要求,提出了一种可以同时输出两路极性相反脉冲电场的脉冲电源,且高压正脉冲叠加幅值可调的直流负偏置电压。该电源只需一个充电源便可以产生正负两路脉冲电场。分析了串联开关同步驱动效果,随后通过增加补偿绕组和并联电阻优化了串联电容的分压不均的问题,并验证一个磁芯加多个副边绕组的方案可进一步降低充电电压不均。最终实现了4个电容器的充电电压与平均电压相差不超过0.1%。搭建了一台4级的电源样机,实验表明,其可以在容性负载上产生一路幅值为0~1.5 kV、脉宽为2~10 µs可调的高压正脉冲且叠加幅值为0~−200 V的反向偏置电压,和一路幅值为0~−1.5 kV、脉宽为2~10 µs可调的高压负脉冲,频率高达10 kHz,正负脉冲的前沿均小于30 ns,脉冲波形平稳。该脉冲电源结构紧凑,并且输出电压、脉宽、频率均连续可调。
  • 图  1  全桥串联谐振充电电路原理图

    Figure  1.  Schematic of H-bridge series resonant charging power supply

    图  2  高压放电回路和截尾回路

    Figure  2.  High voltage discharge loop and the truncation loops

    图  3  串联谐振充电电路的仿真结果

    Figure  3.  Simulation results of H-bridge series resonant charging circuit

    图  4  主电路仿真结果

    Figure  4.  Simulation results of main circuit

    图  5  四级MOSFET驱动电压波形

    Figure  5.  Waveforms of the gate voltage over four MOSFETs

    图  6  补偿绕组示意图

    Figure  6.  Schematic diagram of the compensation windings

    图  7  谐振充电电路和主电路输出实验结果图

    Figure  7.  Experimental waveform of H-bridge series resonant charging circuit and main circuit

    图  8  负载电压前沿输出波形

    Figure  8.  Voltage front edge output waveforms of load

    图  9  10 kHz重频脉冲电压波形

    Figure  9.  Waveforms of 10 kHz repetitive voltage pulses

    图  10  带反压偏置的双路高压脉冲电源40 pF容性负载上的电压波形

    Figure  10.  Voltage waveforms of 40 pF capacitive load in pulse generator with reverse bias voltage

    表  1  带反偏置的双路高压脉冲电源参数

    Table  1.   Parameters of dual high-voltage pulsed power supply with reverse bias voltage

    Tr/ns Tf/ns T/μs width/μs Td/μs Cload/μF Lr/μH Cr/μF
    H-bridge series resonant drive signal 50 50 50 20 5 1225 5.1 2.7
    main circuit drive signal (S1,S4) 64 22 100 9 1 0.040
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-01-03
  • 修回日期:  2024-02-01
  • 录用日期:  2024-02-01
  • 网络出版日期:  2024-02-22
  • 刊出日期:  2024-02-29

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