摘要
为研究电爆炸丝开关切断时产生的强度在近距离内可对效应物产生严重破坏的电磁辐射,在TomaChan系统装置中用拉杆天线测得了所产生的电磁辐射信号波形并经FFT变换后得到其频谱也得到了通过电爆炸丝开关的电流。结果表明电爆炸丝开关所产生的信号是一个主频在75 MHz频谱较宽的电磁波。所测电流峰值约为19 kA,其随时间变化过程可以分为3个阶段。分析讨论了开关运行的辐射干扰现象以及产生机理,为辐射干扰进行屏蔽防护提供参考,可供带有电爆炸丝切断开关的脉冲功率系统产生辐射的研究参考。
The electromagnetic disturbing will be generated from electric exploding opening switch,the intensity of electric exploding was tested by repeated experiments,the experiments show that the intensity can destroy the effect products in short distance.It was measured in TomaChan system experiment with whip antennas.And the waveforms of electromagnetic disturbing signal were obtained.The spectrum of electromagnetic disturbing signal was also presented by FFT.The experimental results show that the disturbing signal generated from electric exploding opening switch is a wide-spectrum electromagnetic wave with a main frequency of 75 MHz.The current of electric exploding opening switch was measured.The peak value of current was about 19 kA and the time behavior of current can be divided into three stages.The current in the third stage falls down most rapidly.It is found that the electromagnetic radiation is mainly generated by the third stage.This paper discusses the radiation disturbing phenomenon and forming mechanism in the process of electric exploding opening switch.
出处
《高电压技术》
EI
CAS
CSCD
北大核心
2007年第12期59-62,共4页
High Voltage Engineering
基金
国家高技术863-803项目资助。~~
关键词
电爆炸丝切断开关
电感储能
脉冲功率
欧姆加热
电磁辐射
电磁屏蔽
electric exploding opening switch
inductive storage
pulse power
Ohmic heating
electromagnetic radiation
electromagnetic shielding
