一种测量纳秒级高电压脉冲的D-dot探测器  

A D-dot monitor for measuring nanosecond high voltage pulses

作　　者：潘子龙 程新兵[1] 陈绒 陈侠 张瀚文 张仁杰 钱宝良[1] Pan Zilong;Cheng Xinbing;Chen Rong;Chen Xia;Zhang Hanwen;Zhang Renjie;Qian Baoliang(College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China;Hunan Vanguard Group Co.,Ltd,Changsha 410000,China)

机构地区：[1]国防科技大学前沿交叉学科学院,长沙410073 [2]湖南云箭集团有限公司,长沙410000

出　　处：《强激光与粒子束》2025年第4期127-134,共8页High Power Laser and Particle Beams

基　　金：湖南省研究生科研创新项目(CX20220064)。

摘　　要：设计了一种测量纳秒级高电压脉冲的D-dot探测器,包括微分探头和无源积分器的设计、仿真和实验。该探测器的探头电极可以根据不同的测量器件进行更换,探头电极的轴向长度也可以根据测量需求进行调节。采用CST软件对该探头的电场分布开展了静电场模拟分析,并进行了结构优化,同时利用OrCAD/Pspice软件对D-dot探头、积分器和探测器的幅频响应特性进行了分析,确保探测器的工作频率满足设计要求。利用设计的D-dot探测器开展了纳秒级高电压脉冲测量实验,实验结果表明,设计的D-dot探测器满足前沿时间约37 ns、电压幅值约597 kV的高电压脉冲测量需求。This paper presents the design of a D-dot monitor for measuring nanosecond high voltage pulses,including the design,simulation,and experiments of the probe and integrator.The electrode of the probe can be replaced and its axial length can be adjusted according to different measurement requirements.The structure of the probe is optimized according to the results of simulation on electrostatic field by CST.The amplitude-frequency response of the monitor is simulated by Pspice to ensure that the operating frequency of the monitor meets the design requirements.The D-dot monitor is applied to measure the high voltage pulses with nanosecond level pulse width.The experimental results show that the D-dot monitor meets the measurement requirements for high voltage pulses with rise time of about 37 ns and voltage amplitude of about 597 kV.

关 键 词：D-dot探测器 纳秒级 高电压脉冲 可调节探头 幅频特性 

分 类 号：TM835[电气工程—高电压与绝缘技术]