强激光与粒子束2024，Vol.36Issue(5)：124-129,6.DOI:10.11884/HPLPB202436.230354
基于PFN-Marx技术的紧凑型重频脉冲功率源
A compact PFN-Marx repetitive pulsed power source
摘要
Abstract
A compact repetitive pulse power source is developed as an experimental platform for high power relativistic magnetron with low magnetic field.To obtain better output pulse waveform with a compact structure,the pulsed power source designed based on PFN-Marx technology has a coaxial structure.A circular pulse forming net(PFN)is devised out with the impedance of 4Ω,working voltage of 50 kV,and electrical length of 53 ns,consisting of 13 ceramic capacitors with the capacitance of 1nF.Two PFN devices in series by a gas switch and an insulation plate form a circular high-voltage pulse generation module.Multiple pulse generation modules are coaxial and stacked in a metal cylinder.Inductive isolation is used between the modules.After all switches are turned on,all modules are discharged in series to generate a fast rising-time high-power square wave pulse.Moreover,repetitive operation is achieved through synchronous control of the trigger switch and charging power supply.In experiments the 22-stage PFN-Marx pulsed power source developed was charged to 51 kV,and a high-voltage square wave pulse of 516 kV was obtained on a load of 84Ω,with pulse width(FWHM)of 104 ns,flat top of 63 ns and rising-time of 11 ns.This power source can operate stably at a repetition rate of 20 Hz for 15 s.关键词
脉冲形成网络/Marx发生器/脉冲功率/重复频率/紧凑Key words
pulse forming net/Marx generator/pulsed power/repetitive/compact分类
信息技术与安全科学引用本文复制引用
伍友成,冯传均,付佳斌,戴文峰,曹龙博..基于PFN-Marx技术的紧凑型重频脉冲功率源[J].强激光与粒子束,2024,36(5):124-129,6.基金项目
国家高技术发展计划项目 （）
