摘要
研究了一种改进型螺旋发生器,以解决传统结构螺旋发生器在匝数较多时输出电压波形第二峰值大于第一峰值和输入开关的峰值电流及其电流上升率较大的问题,并进行了数值仿真和实验验证,仿真结果与实验结果基本吻合。通过电磁场分析波传输过程发现:改进型结构增加的一圈会造成额外的反射,使各层间电压同向叠加的时刻发生改变,从而降低了后续更高峰值的振荡。最终研制了一台改进型螺旋发生器,在15 pF的高压电容负载上可产生第一峰值51 kV、前沿50 ns的输出电压波形,整个发生器体积小于0.5 L。之后该改进型螺旋发生器将结合半导体开关实现高压纳秒脉冲触发器的全固态设计。
An improved spiral generator is studied to solve the problem that the second peak value of output voltage waveform is larger than the first peak value and the peak current of input switch and its current rise rate are larger when the number of turns of the traditional spiral generator is large.Numerical simulation and experimental verification are carried out,and the simulation results are basically consistent with the experimental results.Through electromagnetic field analysis of the wave transmission process,it is shown that the additional winding of the improved structure will cause extra reflection,which changes the time when the voltage between the layers is superimposed in the same direction,thus reducing the subsequent oscillations of higher peaks.Finally,an improved spiral generator is tested and it can generate a high voltage pulse with the first peak voltage of 51 kV and the leading edge of 50 ns on a high voltage capacitor load of 15 pF.The volume of the whole generator is less than 0.5 L.The improved spiral generator will then be combined with the semiconductor switch to achieve an all-solid-state design of a high-voltage nanosecond pulse trigger generator in the future.
作者
孙晶晶
杨双
孙艺杰
张瀚文
于瑞鑫
高景明
杨汉武
Sun Jingjing;Yang Shuang;Sun Yijie;Zhang Hanwen;Yu Ruixin;Gao Jingming;Yang Hanwu(College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China;State Key Laboratory of Pulsed Power Laser Technology,Changsha 410073,China)
出处
《强激光与粒子束》
CAS
CSCD
北大核心
2023年第10期132-138,共7页
High Power Laser and Particle Beams
基金
国家重点实验室主任基金项目(SKL 2022 ZR06)。
关键词
螺旋发生器
不同结构
电磁场模拟
波传输过程
电压叠加
spiral generator
different structure
electromagnetic field simulation
wave transmission process
voltage superposition
