High Power Laser and Particle Beams, Volume. 37, Issue 4, 045001(2025)

A D-dot monitor for measuring nanosecond high voltage pulses

Zilong Pan1, Xinbing Cheng1、*, Rong Chen1、*, Xia Chen2, Hanwen Zhang1, Renjie Zhang1, and Baoliang Qian1
Author Affiliations
  • 1College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China
  • 2Hunan Vanguard Group Co., Ltd, Changsha 410000, China
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    Figures & Tables(15)
    Schematic diagram of capacitive voltage divider measurement
    Structure diagram of adjustable D-dot probe
    Electric field distribution diagram of the D-dot probe
    Amplitude-frequency response of the D-dot probe
    Schematic diagram of the integrator
    Equivalent circuit diagram of the integrator
    Influence of distributed parameters on the output waveform of the integrator
    Experimental and simulation results of square wave response
    Amplitude-frequency response of the integrator
    Amplitude-frequency response of the D-dot monitor
    Typical calibration experimental results of the D-dot monitor
    Normalized output waveforms of the D-dot monitor with different distance between the probe and the ground plate
    High voltage experimental result of the D-dot monitor
    • Table 1. Parameters of the integrator equivalent circuit

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      Table 1. Parameters of the integrator equivalent circuit

      R/kΩC1/pFL1/nHC/nFR2L2/nHRmCm/pFLm/nH
      3.00.1200.750.05150220
    • Table 2. Sensitivities of the D-dot monitor with different location of the electrode

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      Table 2. Sensitivities of the D-dot monitor with different location of the electrode

      distance between the electrode and the ground plate/mmsensitivity/(kV·V−1)
      055.15
      1.560.67
      3.069.00
      4.576.63
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    Zilong Pan, Xinbing Cheng, Rong Chen, Xia Chen, Hanwen Zhang, Renjie Zhang, Baoliang Qian. A D-dot monitor for measuring nanosecond high voltage pulses[J]. High Power Laser and Particle Beams, 2025, 37(4): 045001

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    Paper Information

    Category:

    Received: Sep. 11, 2024

    Accepted: Nov. 27, 2024

    Published Online: May. 15, 2025

    The Author Email: Xinbing Cheng (120chch@163.com), Rong Chen (chenrong0101@163.com)

    DOI:10.11884/HPLPB202537.240319

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