聚龙一号装置磁驱动加载实验的全电路模拟

郭帆; 王贵林; 邹文康; 陈林; 谢卫平

doi:10.11884/HPLPB201830.180239

聚龙一号装置磁驱动加载实验的全电路模拟

doi: 10.11884/HPLPB201830.180239

郭帆^{1, 2,},
王贵林¹,
邹文康¹,
陈林¹,
谢卫平¹

1.
中国工程物理研究院流体物理研究所, 四川绵阳 621900
2.
中国科学技术大学工程与应用物理系, 合肥 230026

基金项目:

国家自然科学基金青年科学基金项目 11605181

详细信息

作者简介:
郭帆(1987—), 男, 博士研究生, 从事脉冲功率技术研究, 394560789@qq.com

中图分类号: O411.3
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- 被引次数: 0
出版历程
- 收稿日期: 2018-09-15
- 修回日期: 2018-10-20
- 刊出日期: 2018-12-15

Full circuit calculation of magnetically driven experiment on PTS facility

1.
Institute of Fluid Physics, CAEP, Mianyang 621900, China
2.
Department of Engineering and Applied Physics, University of Science and Technology of China, Hefei 230026, China

摘要

摘要: 聚龙一号装置由24路模块并联组成, 通过调整24路模块中激光触发气体开关的导通时序可实现负载电流波形的精确调节, 以满足磁驱动加载实验所要求的负载电流波形灵活调节的需求。针对聚龙一号装置开展的磁驱动加载实验, 建立了能够描述能量从Marx发生器开始至负载整个传输过程的全电路模型, 开发了相应的电路计算程序, 并基于实验结果对计算程序进行了校验, 电路模拟结果与实验结果符合较好。电路模拟程序的计算效率比采用Pspice软件进行全电路计算的效率显著提高, 其不仅可应用于在给定激光触发气体开关导通时序的情况下对聚龙一号装置的输出特性进行预测和评估, 同时也为负载电流波形调节的方案设计提供了一种有效工具。
- 聚龙一号装置 /
- 波形调节 /
- 电路模拟 /
- 磁驱动加载
Abstract: The Primary Test Stand (PTS) facility is composed of 24 modules combined in parallel.The load current waveform of the PTS could be shaped by adjusting the closing time of the 24 laser triggered gas switches in each module to perform the magnetically driven experiments.A full circuit model describing the magnetically driven experiments on the PTS facility is proposed.The circuit model includes each elements of the machine from the Marx generator to the load.The load current given by circuit simulation is compared with the experiment result, and they agree with each other very well.The calculation efficiency of the circuit simulation code is much higher than that of Pspice software.The circuit simulation code is not only applicable to evaluating the PTS performance by assuming the closing time of the 24 laser triggered gas switches, but also an effective designing tool for the magnetically driven experiments.
- PTS facility /
- shaping current pulse /
- circuit simulation /
- magnetically driven

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图 1 聚龙一号装置结构示意图

Figure 1. Structureschematic ofthe PTS

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图 2 聚龙一号装置全电路模型

Figure 2. Fullcircuit model ofthe PTS

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图 3 聚龙一号装置单台Marx发生器等效电路模型

Figure 3. Circuit model ofthesingle Marxgeneratorinthe PTS

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图 4 电路模拟和实验测量所得0061发负载电流

Figure 4. Load current waveforms of shot 0061 acquired during the experiment and by circuit simulation

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图 5 电路模拟所得0061发实验四层外MITL末端传输线单元的工作电压和电流

Figure 5. Operating voltage and current waveforms of the transmission line elements at the end of four layers outer MITLs for shot 0061

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图 6 0061发实验四层外MITL末端传输线单元的临界磁绝缘电流

Figure 6. Minimum currents required to establish magnetical insulation for the transmission line elements at the end of four layers outer MITLs for shot 0061

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图 7 磁驱动加载实验方案设计流程

Figure 7. Process of obtaining the laser triggered gas switches closing time for the magnetically driven experiments

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图 8 0122发实验负载电流波形

Figure 8. Load current waveforms of shot 0122

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表 1 0061发实验负载参数

Table 1. Load parameters of shot 0061

w_a/cm	w/cm	h_e/cm	δ/μm	g/cm	material	ρ₀/(g·cm^-3)
1.5	1.3	1.8	972	0.2	LY 12 aluminum	2.7

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表 2 0061发实验激光触发气体开关的导通时间

Table 2. Closing time of the 24 laser triggered gas switches for shot 0061

switch No.	closing time/ns	switch No.	closing time/ns	switch No.	closing time/ns	switch No.	closing time/ns
1#	886	7#	956	13#	886	19#	954
2#	950	8#	1049	14#	943	20#	1050
3#	1012	9#	956	15#	1017	21#	954
4#	1050	10#	1049	16#	1050	22#	1050
5#	1012	11#	886	17#	1017	23#	886
6#	1050	12#	943	18#	1050	24#	950

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表 3 0122发实验负载参数

Table 3. Load parameters for shot 0122

w_a/cm	w/cm	h_e/cm	δ/μm	g/cm	material	ρ₀/(g·cm^-3)
0.9	0.8	2.8	1000	0.12	LY 12 aluminum	2.7

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表 4 0122发实验激光触发气体开关的导通时序

Table 4. Closing time of the 24 laser triggered gas switches for shot 0122

switch No.	closing time/ns	switch No.	closing time/ns	switch No.	closing time/ns	switch No.	closing time/ns
1#	770	7#	1055	13#	810	19#	1065
2#	990	8#	1080	14#	990	20#	1080
3#	1090	9#	1055	15#	1090	21#	1065
4#	940	10#	1080	16#	860	22#	1080
5#	1090	11#	810	17#	1090	23#	770
6#	940	12#	990	18#	860	24#	990

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