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磁控管双能固态调制器研制

杜辉 周英怀 唐维斌 邓长春 李刚

杜辉, 周英怀, 唐维斌, 等. 磁控管双能固态调制器研制[J]. 强激光与粒子束, 2025, 37: 025003. doi: 10.11884/HPLPB202537.240282
引用本文: 杜辉, 周英怀, 唐维斌, 等. 磁控管双能固态调制器研制[J]. 强激光与粒子束, 2025, 37: 025003. doi: 10.11884/HPLPB202537.240282
Du Hui, Zhou Yinghuai, Tang Weibin, et al. Development of the magnetron double energy solid-state modulator[J]. High Power Laser and Particle Beams, 2025, 37: 025003. doi: 10.11884/HPLPB202537.240282
Citation: Du Hui, Zhou Yinghuai, Tang Weibin, et al. Development of the magnetron double energy solid-state modulator[J]. High Power Laser and Particle Beams, 2025, 37: 025003. doi: 10.11884/HPLPB202537.240282

磁控管双能固态调制器研制

doi: 10.11884/HPLPB202537.240282
详细信息
    作者简介:

    杜 辉,304262192@qq.com

    通讯作者:

    周英怀,zyh@injet.cn

  • 中图分类号: TN787

Development of the magnetron double energy solid-state modulator

  • 摘要: 海关安检双能加速器是由磁控管驱动的,在双能运行时,由于磁控管的静态工作阻抗及脉冲电流波形幅值一般相差比较大,造成脉冲电流顶部波形畸变,不能满足海关安检需要。为此采用“双回路并联电路拓扑+并联IGBT固态开关技术+高变比脉冲变压器技术+波形校正技术”研制了用于双能加速器的固态调制器,实现高低能交替输出脉冲。结果显示,在工作电流在70~120 A范围内时,高低能交替工作的磁控管脉冲电流波形都为比较理想的梯形波,其电流波形的平顶相对变化小于5%。
  • 图  1  双能加速器磁控管的工作状态图

    Figure  1.  Timing sequence of dual-energy accelerator of the magnetron

    图  2  双能固态调制器电路原理图

    Figure  2.  Schematic of dual-energy solid-state modulator circuit

    图  3  控制信号和输出电压时序图

    Figure  3.  Timing sequence of signals and output voltage

    图  4  磁控管双能脉冲电压及电流波形

    Figure  4.  Dual-energy pulse voltage and current waveforms of the magnetron

    图  5  磁控管单能脉冲电压电流波形

    Figure  5.  Single-energy pulse voltage and current waveforms of the magnetron

    图  6  固态调制器仿真原理图

    Figure  6.  Circuit simulation model of the solid-state modulator

    图  7  双能工作情况下的磁控管两端电压和电流仿真波形

    Figure  7.  Simulated dual-energy output pulse voltage and current waveforms of the magnetron

    图  8  栅极电压信号与磁控管脉冲电流仿真

    Figure  8.  Simulated of gate voltage signal and magnetron pulse current

    图  9  栅极电压信号与脉冲电流

    Figure  9.  Gate voltage and pulse current waveforms

    图  10  采用波形校正后的双能脉冲电压电流波形

    Figure  10.  Dual-energy pulse output voltage and current waveforms of waveform correction

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出版历程
  • 收稿日期:  2024-08-27
  • 修回日期:  2024-11-21
  • 录用日期:  2024-11-26
  • 网络出版日期:  2025-01-24
  • 刊出日期:  2025-02-12

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