High Power Laser and Particle Beams, Volume. 36, Issue 11, 115008(2024)

Technology and application of magnetic switches for solid-state high power pulsed generators

Jingming Gao1,2, Hanwen Zhang1, Song Li1,2, Xibiao Yang1, Yijie Sun1, Diangeng Li1, Rong Chen1,2, Xiaojing Ren1, Hanwu Yang1,2、*, and Baoliang Qian1,2
Author Affiliations
  • 1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
  • 2State key Laboratory of Pulsed Power Laser Technology, Changsha 410073, China
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    Figures & Tables(18)
    Typical hysteresis loop of the magnetic switch cores
    Schematic and typical output waveforms of the magnetic compression network under serial connection
    Schematic and typical output waveforms of the magnetic compression network under parallel connection
    Picture of magnetic pulse compressor
    Schematic of the solid-state transient intense field test platform
    Model of saturable pulse transformer
    Voltage and current waveform on the capacitor
    Model and verified experimental results of the magnetic switch
    Saturation process of the lamination in the magnetic core
    Energy consumption in a working circle of the magnetic core
    Radial and longitudinal interlamination electric field distribution in the magnetic core
    Model and results of the magnetic switch circuit modulating pulse forming networks
    Voltage on the magnetic switch and the circuit on the load under three structure (tsat_in_S1 and tsat_out_S1 are the saturation time of the innermost and the outermost lamination, respectively. The others can be seen in a same way)
    Solid-state high-power pulse generator based on magnetic switches
    Typical application for HPM driver
    Circuit and simulation results with electromagnetic coupling of synchronization with two magnetic switches
    Experimental results of synchronization with two magnetic switches under different circuit parameters
    • Table 1. Dynamic characteristic parameters of magnetic core under three geometric structures

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      Table 1. Dynamic characteristic parameters of magnetic core under three geometric structures

      tsat_in/nstsat_out/nstsat/nseddy current loss/JEmax/(kV·cm−1)
      structure 1393.2449.055.80.935.35
      structure 2396.0438.642.60.585.64
      structure 3408.8444.635.80.7410.33
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    Jingming Gao, Hanwen Zhang, Song Li, Xibiao Yang, Yijie Sun, Diangeng Li, Rong Chen, Xiaojing Ren, Hanwu Yang, Baoliang Qian. Technology and application of magnetic switches for solid-state high power pulsed generators[J]. High Power Laser and Particle Beams, 2024, 36(11): 115008

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    Paper Information

    Category: Magnetic Switches

    Received: Jun. 26, 2024

    Accepted: Sep. 12, 2024

    Published Online: Jan. 8, 2025

    The Author Email: Hanwu Yang (yanghw@nudt.edu.cn)

    DOI:10.11884/HPLPB202436.240213

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