MARX发生器电流线圈的设计与实验

康军军; 卿燕玲; 傅贞; 计策; 丰树平

doi:10.11884/HPLPB201830.180190

MARX发生器电流线圈的设计与实验

doi: 10.11884/HPLPB201830.180190

中国工程物理研究院流体物理研究所，四川绵阳 621900

基金项目:

国家自然科学基金项目 11605181

国家自然科学基金项目 11605188

详细信息

作者简介:
康军军(1986—), 男, 从事脉冲功率装置实验与测试, 402113904@qq.com

通讯作者:
卿燕玲(1977—), 女, 工程师, 从事脉冲功率技术研究, qyanling@163.com

中图分类号: TM836
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- 被引次数: 0
出版历程
- 收稿日期: 2018-07-11
- 修回日期: 2018-09-27
- 刊出日期: 2018-12-15

Design and experiment of current coil for Marx generation

Institute of Fluid Physics, CAEP, P.O.Box919-108, Mianyang 621900, China

摘要

摘要: 为测量Marx发生器输出电流, 设计了外积分式罗可夫斯基线圈。采用电容器放电的方式进行线下标定确定刻度因素, 采用盘式TEM室进行线圈的方波响应实验, 实验结果与等效电路模拟仿真吻合。线圈的响应时间为16ns。模拟仿真分析了Marx连接假负载实验中, 实测电流波形后沿衰落较快且脉冲结束后基线不回零的问题。通过调整积分器的RC时间常数, 增加线圈的低频响应能力可消除该失真。改进后的线圈实验结果与理论分析一致。
- 脉冲电流 /
- 测量 /
- 罗可夫斯基线圈 /
- 频率响应
Abstract: A self-integrating Rogowski coil is designed and employed to detect the output current of a Marx generator.The Rogowski coil is calibrated with a 1.0kA pulsed power generator which is driven by a capacitor.One TEM chamber is used to obtain the frequency response of the square-wave for the coil.The experiment result can agree with the circuit simulation result very well.The response time of the coil is about 16.0ns.During the experiment the Marx generator output current waveform decays very quickly at the tail of the pulse and the base line is distorted.This is analyzed by the circuit simulation model and the simulation results suggest that the distortion could be eliminated by adjusting the time constant of the RC integrator.The experiment results are consistent with theoretical analysis, and the improved coil can response correctly.
- pulse current /
- measurement /
- Rogowski coil /
- frequency response

HTML全文

图 1 微分式罗可夫斯基线圈的等效电路

Figure 1. Equivalent circuit of differential Rogowiski coil

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图 2 Marx输出电流测量线圈外形图

Figure 2. Screering box of coil for Marx output current

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图 3 含有杂散参数和积分电路的微分线圈等效电路

Figure 3. Equivalent circuit of coil including stray parameters and integral circuit

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图 4 微分线圈方波响应的仿真结果

Figure 4. Simulation of square-wave response of coil

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图 5 微分线圈幅频特性仿真结果

Figure 5. Simulation of amplitude-frequency response of coil

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图 6 微分线圈方波响应的测量结果

Figure 6. Experiment output of square-wave response of coil

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图 7 标定线路示意图

Figure 7. Schematic diagram of calibration circuit

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图 8 标定时线圈的输出波形

Figure 8. Output wave of coil in calibration

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图 9 Marx发生器短路实验波形

Figure 9. Current wave when the Marx generator shot with short load

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图 10 Marx发生器短路仿真波形

Figure 10. Simulation wave when the Marx generator shot with short load

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图 11 Marx连接假负载实验的电流波形

Figure 11. Current wave when the Marx generator shot with load

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图 12 Marx连接假负载的电流仿真波形

Figure 12. Simulation wave when the Marx generator shot with load

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参考文献(13)

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