| “强光一号”等离子体断路开关及负载的数值计算 |
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| 引用本文： | 王亮平,蒯斌,邱爱慈,丛培天,郭宁.“强光一号”等离子体断路开关及负载的数值计算[J].强激光与粒子束,2006,18(7):1219-1223. |
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| 作者姓名： | 王亮平 蒯斌 邱爱慈 丛培天 郭宁 |
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| 作者单位： | 西北核技术研究所, 西安710024 |
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| 摘 要： | 等离子体断路开关（POS）是“强光一号”加速器产生短脉冲γ射线的关键器件之一。应用POS融蚀模型分析了“强光一号”加速器POS与二极管系统的基本工作过程，通过该模型计算获得了POS与二极管系统的总电流以及电子束电流，计算结果与实验结果吻合较好。计算结果表明，“强光一号”POS在工作时并未达到完全磁绝缘状态，其阻抗最终为21.5 Ω，约有60％总电流在二极管负载导通时流过POS，且融蚀模型对POS阻抗增长预测偏高，但由于电流变化较大，二极管负载电压仍能达到4.5 MV左右。
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| 关 键 词： | 等离子体断路开关 二极管负载 “强光一号” |
| 文章编号： | 1001-4322(2006)07-1219-05 |
| 收稿时间： | 2005-10-20 |
| 修稿时间： | 2006-04-03 |
Numerical calculation of plasma opening switch and diode system on Qiangguang Ⅰ generator |
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| WANG Liang-ping,KUAI Bin,QIU Ai-ci,CONG Pei-tian,GUO Ning.Numerical calculation of plasma opening switch and diode system on Qiangguang Ⅰ generator[J].High Power Laser and Particle Beams,2006,18(7):1219-1223. |
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| Authors: | WANG Liang-ping KUAI Bin QIU Ai-ci CONG Pei-tian GUO Ning |
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| Institution: | Northwest Institute of Nuclear Technology , P.O.Box 69-10, Xi’an 710024,China |
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| Abstract: | The plasma opening switch(POS) is a critical element in inductive energy storage systems.In this paper the erosion model is introduced to analyze the foundational principle of the POS and diode system on Qiangguang I generator.The simulation waveforms of the total generator current and the diode beam current are obtained by using the erosion model and compared with experimental waveforms.The calculation results show that the POS is not completely magnetic insulated while about 60% of the total current still flow through the POS.However,about 4.5 MV diode voltage is obtained because of the rapid change rate of current. |
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| Keywords: | Diode Qiangguang I generator |
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