强激光与粒子束, 2014, 26 (9): 095007, 网络出版: 2014-09-15   

Z箍缩直线变压器驱动源原型模块设计

Design of the linear transformer driver stage prototype for Z-pinch driver
作者单位
中国工程物理研究院 流体物理研究所,中国工程物理研究院脉冲功率科学与技术重点实验室, 四川 绵阳 621900
摘要
介绍了用于Z箍缩驱动器的快脉冲直线型变压器驱动源(LTD)原型模块设计和初步实验结果。该模块采用32个子块并联,每个子块由两台100 kV/100 nF脉冲电容器和一只200 kV多间隙气体开关串联组成。32只开关由4路高压脉冲分别触发。模块直径为2.9 m,厚度约27 cm。电路模拟结果表明,在±90 kV充电电压下,输出电流幅值为1.0 MA,电流上升时间(10%~90%)约118.6 ns。初步实验结果表明,在约90 mΩ近似匹配电阻负载上获得的电流为995 kA,上升时间(10%~90%)为120.8 ns,脉冲宽度约335.2 ns。实验结果与电路模拟结果较为接近。
Abstract
The design of the linear transformer driver(LTD) stage prototype for Z-pinch driver is introduced. The stage consists of 32 identical bricks connected in parallel. Each brick contains two 100 kV/100 nF capacitors, a 200 kV multi-gap switch, and the output connector that transfer the energy to the resistive load. 32 switches are triggered by 4 high voltage trigger cables (8 switches for each cable). The outer diameter of the stage is about 2.9 m, at a length of 27 cm according to the design. The simulation results show that the output current can be up to 1.0 MA in 118.6 ns rise time at the charge voltage of ±90 kV. As a result, the stage can deliver 995 kA current pulse with the rise time of 120.8 ns and FWHM of 335.2 ns into a 90 mΩ resistive load in the preliminary experiment.

陈林, 王勐, 谢卫平, 戴英敏, 邹文康, 周良骥, 刘瑜, 郭帆, 卫兵, 赵越, 王杰, 张元军, 李晔. Z箍缩直线变压器驱动源原型模块设计[J]. 强激光与粒子束, 2014, 26(9): 095007. Chen Lin, Wang Meng, Xie Weiping, Dai Yingmin, Zou Wenkang, Zhou Liangji, Liu Yu, Guo Fan, Wei Bing, Zhao Yue, Wang Jie, Zhang Yuanjun, Li Ye. Design of the linear transformer driver stage prototype for Z-pinch driver[J]. High Power Laser and Particle Beams, 2014, 26(9): 095007.

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