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基于双前级电压拓扑的快切束电源研制

李明睿 王晓俊 高大庆 高杰 李继强 严凯明 张余强 孙梦岩 火安州 王正宇 赵鑫

李明睿, 王晓俊, 高大庆, 等. 基于双前级电压拓扑的快切束电源研制[J]. 强激光与粒子束, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344
引用本文: 李明睿, 王晓俊, 高大庆, 等. 基于双前级电压拓扑的快切束电源研制[J]. 强激光与粒子束, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344
Li Mingrui, Wang Xiaojun, Gao Daqing, et al. Development of dual front-stage voltage fast pulsed power supply[J]. High Power Laser and Particle Beams, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344
Citation: Li Mingrui, Wang Xiaojun, Gao Daqing, et al. Development of dual front-stage voltage fast pulsed power supply[J]. High Power Laser and Particle Beams, 2025, 37: 035010. doi: 10.11884/HPLPB202537.240344

基于双前级电压拓扑的快切束电源研制

doi: 10.11884/HPLPB202537.240344
基金项目: 国家重点研发计划项目(2019YFA0405402)
详细信息
    作者简介:

    李明睿,lslfy4@impcas.ac.cn

    通讯作者:

    高大庆,gaodq@impcas.ac.cn

  • 中图分类号: TL503.5

Development of dual front-stage voltage fast pulsed power supply

  • 摘要: 针对强流重离子加速器装置(HIAF)离子源束流快速切换需求,设计并研制了一台快切束脉冲电源。根据兼顾电流快速变化和平顶稳定度的要求,提出了基于高低压双前级电压快切换的实现方案,分析了电路工作原理,计算了关键参数,讨论了适应电压突变的控制方法。根据电源模块化原则研制了16 kW整机并在真实磁铁负载进行了测试。结果表明,电源在13 mH电感上输出570 A,误差小于±1×10−4,重复频率3 Hz,上升下降时间小于30 ms,平顶900 ms内可调,电源设计方案合理可行。
  • 图  1  强流重离子加速器(HIAF)整体布局

    Figure  1.  Layout of HIAF accelerator

    图  2  ECR 45°和90°磁铁位置

    Figure  2.  Layout of ECR 45o and 90o magnets

    图  3  快切束电源输出电流和负载两端电压波形示意图

    Figure  3.  Output current and voltage diagram of fast switching power supply

    图  4  电路拓扑及电源工作流程示意图

    Figure  4.  Schematic diagram of circuit and current loops

    图  5  切换点低压回路与高压回路示意图

    Figure  5.  Schematic diagram of low voltage loops and high voltage loop at switch point

    图  6  控制回路示意图

    Figure  6.  Schematic diagram of control system loop

    图  7  输出电流波形上升和下降时间

    Figure  7.  Rise and fall time of output current waveform

    图  8  570 A平顶阶段300 ms电流误差

    Figure  8.  Error of output current during 300 ms flat top time at 570 A

    图  9  平顶阶段能量不足的电流波形

    Figure  9.  Waveform of current without enough energy

    图  10  570 A/3 Hz连续脉冲电流波形

    Figure  10.  Waveform of current at 570 A/3 Hz

    表  1  HIAF ECR 90度磁铁切束电源设计指标

    Table  1.   Specifications of HIAF ECR 90° magnet power supply

    maximum
    current/A
    rise
    time/ms
    flat top
    time/ms
    fall
    time/ms
    flat top
    error
    frequency/
    Hz
    DC output
    power/kW
    load resistance/
    load inductance/
    mH
    570 <30 100~900 <30 <±1×10−4 <3 <16 48.8 13
    下载: 导出CSV

    表  2  设计指标与测试结果对比

    Table  2.   Comparative analysis of power supply parameters

    maximum current/Arise time/msflat top time/msfall time/msflat top errorfrequency/HzDC output power/kW
    design570<30100~900<30<±1×10−4<3<16
    test result57025.4100~20021.8<±9.26×10−51~3<15.8
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-09-27
  • 修回日期:  2025-02-01
  • 录用日期:  2025-02-01
  • 网络出版日期:  2025-03-01
  • 刊出日期:  2025-03-15

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