强激光与粒子束, 2014, 26 (6): 065004, 网络出版: 2014-06-03
固态化脉冲形成网络Marx脉冲发生器
Solid state pulsed forming network Marx generator
脉冲功率技术 脉冲形成网络 Marx发生器 脉冲变压器 pulsed power technology pulsed forming network Marx generator pulse-transformer
摘要
和传统Marx发生器单级由单一电容组成不同,脉冲形成网络Marx发生器的每一级是以陶瓷电容排列成网络形式组成脉冲形成网络,然后再通过串联叠加的方式实现电压叠加。由于采用了脉冲网络形成线,该型发生器可以产生质量较高的脉冲波形。对该型Marx发生器的充电方式、开关结构、结构布局等进行了研究,设计了两种较为紧凑的实验装置。开展的初步实验研究中,利用脉冲变压器进行充电,利用SF6气体绝缘,10级叠加结构在50 Ω水电阻负载上获得了400 kV,100 ns的高压输出;20级结构在50 Ω水电阻负载上获得了500 kV,70 ns的高压输出。
Abstract
Analysis and experimentally demonstrated results of a solid state pulsed forming network Marx(PFN-Marx) generator are presented. A quasi-square pulse can be got by using the pulsed forming network. The generator’s charging way, switch structure and device structure are also studied. The generator with 10-stage PFN cells generated an output pulse with voltage of 400 kV and width of 100 ns, and the generator with 20-stage PFN cells achieved an electric pulse with 500 kV voltage, 70 ns pulse width in the experiments.
李志强, 杨建华, 张建德, 张军, 洪志强. 固态化脉冲形成网络Marx脉冲发生器[J]. 强激光与粒子束, 2014, 26(6): 065004. Li Zhiqiang, Yang Jianhua, Zhang Jiande, Zhang Jun, Hong Zhiqiang. Solid state pulsed forming network Marx generator[J]. High Power Laser and Particle Beams, 2014, 26(6): 065004.