有界波模拟器波形仿真与实验研究
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摘要
以传输线型有界波电磁脉冲模拟器为研究对象,分析脉冲波形畸变因素,分别对电磁脉冲模拟器及其等效电路进行了建模仿真分析,并使用瞬态电磁脉冲测量系统测试实验区域电场波形。实验与仿真结果表明:仿真结果与实验结果吻合较好,验证了仿真模型的正确性与有效性。分布电感Ls对脉冲波形的畸变影响很小,而对地电容值Cz的变化对脉冲波形的畸变影响很大,传输线特征阻抗与终端阻抗匹配情况直接影响着脉冲波形的畸变,匹配越差,脉冲畸变越大。模拟器外围金属板处于其侧面时,对波形畸变影响较大,金属板距离模拟器越远影响越小,金属板面积越大影响越大。仿真分析的结果可以为有界波模拟系统的优化设计提供依据。
In order to study influence factors of impulse waveform distortion of electromagnetic pulse( EMP)simulator,the model of EMP simulator and its equivalent circuit are founded and the simulation is carried out with transmission line bounded-wave EMP simulator as an example. Transient electromagnetic pulse measurement system is used to measure electric field waveform in experimental area. Experimental and simulation result indicates that simulation result coincide to experimental results. Correctness and validity of simulation model is verified.Simulation result show that: the distributed capacitance Lsrarely affect on impulse waveform distortion,but ground capacitance Czaffect greatly; Matching of terminal impedance with characteristic impedance of transmission line have a great influence on impulse waveform distortion. Peripheral metal plate onside,influence of impulse waveform distortion is great. The larger distance of metal plate to simulator,the smaller influence is; the larger area,the greater influence is. On basis of result of simulation provide basis for optimization design of bounded-wave simulator.
In order to study influence factors of impulse waveform distortion of electromagnetic pulse( EMP)simulator,the model of EMP simulator and its equivalent circuit are founded and the simulation is carried out with transmission line bounded-wave EMP simulator as an example. Transient electromagnetic pulse measurement system is used to measure electric field waveform in experimental area. Experimental and simulation result indicates that simulation result coincide to experimental results. Correctness and validity of simulation model is verified.Simulation result show that: the distributed capacitance Lsrarely affect on impulse waveform distortion,but ground capacitance Czaffect greatly; Matching of terminal impedance with characteristic impedance of transmission line have a great influence on impulse waveform distortion. Peripheral metal plate onside,influence of impulse waveform distortion is great. The larger distance of metal plate to simulator,the smaller influence is; the larger area,the greater influence is. On basis of result of simulation provide basis for optimization design of bounded-wave simulator.
引文
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[20]马天兵,赵耀军.基于DSP的光纤电压传感器的设计[J].传感器与微系统,2006,25(6):58-60.
[2]朱湘琴,王建国,陈维青,等.集总负载平行板有界波电磁脉冲模拟器的并行时域有限差分模拟[J].强激光与粒子束,2013,25(9):2334-2340.
[3]朱湘琴,王建国,陈维青,等.分布式负载平行板有界波电磁脉冲模拟器的模拟分析[J].强激光与粒子束,2014,26(3):035001-1-035001-7.
[4]周璧华,陈彬,石立华.电磁脉冲及其工程防护[M].北京:国防工业出版社,2003.
[5]李云伟,王泽忠,卢斌先,等.电磁脉冲模拟器仿真与实验研究[J].高电压技术,2007,28(4):128-131.
[6]李云伟,王泽忠,刘峰.有界波电磁脉冲模拟器参数对传播模式的影响[J].高电压技术,2007,33(5):54-57.
[7]Schilling H.High voltage generator with fast rise time for EMP simulator[C]∥IEEE International Pulsed Power Conference,Piscataway,NJ,USA,1995:1359-1364.
[8]侯民胜,秦海潮.强电磁脉冲模拟技术[J].高电压技术,2008,34(2):409-412.
[9]潘晓东,魏光辉,任新智.有界波模拟器内部电场分布仿真研究[J].测试技术学报,2007,21(5):410-413.
[10]徐亮.发散线栅电磁脉冲模拟器的仿真及实验[J].现代电子技术,2009(23):14-16.
[11]王莹.高功率脉冲电源[M].北京:国防工业出版社,1999.
[12]贺元吉,张亚洲,李传胪.高压纳秒脉冲形成电路的分析与设计[J].国防科技大学学报,2000(22增刊):49-54.
[13]孙蓓云,周晏,郑振兴.有界波EMP模拟器脉冲高压源[J].强激光与粒子束,2008,12(4):505-508.
[14]IEC6100-2-9.Description of HEMP environment-radiated disturbance[S].
[15]梁曦东,陈昌渔,周远翔.高电压工程[M].北京:清华大学出版社,2003.
[16]FEKO User’s Manual EM Software&Systems S A(Pty)Ltd[Z].South Africa,2004:49-50.
[17]GJB 151B-2013.军用设备和分系统电磁发射和敏感度要求与测量[S].
[18]刘顺坤,聂鑫,陈向跃.电磁脉冲辐射场实验技术[J].强激光与粒子束,2009,21(6):939-942.
[19]王宇,方东明,陈博,等.基于旋转谐振结构的单芯片二维电场传感器[J].传感器与微系统,2016,35(2):103-105,112.
[20]马天兵,赵耀军.基于DSP的光纤电压传感器的设计[J].传感器与微系统,2006,25(6):58-60.