长线缆核电磁脉冲效应计算研究

摘要

为深入研究高空核电磁脉冲(HEMP)作用于长线缆引发的场线耦合效应问题,该文基于场线耦合效应计算的频域方法,推导了适于较长线缆HEMP效应编程计算的数学模型,利用鳊写的Matlab计算程序详细研究了具有不同参数线缆系统的HEMP效应问题,得出了HEMP效应特点和规律.结果表明,线缆暴露于HEMP电磁环境中,其上可被激励高幅值的电流干扰脉冲,其端部可被激励峰值高达上万伏的电压干扰脉冲.%In order to deeply study the field-wire coupling effect that the nuclear electro magnetic pulse (NEMP) acts on long wire, the mathematical model suitable for programing calculation of long wire HEMP effect is deduced in this paper based on frequency domain model of field-wire coupling effect calculation. The HEMP effect of the wires with different parameters was researched with the calculation program in Matlab. The characteristics and rule of HEMP effects. The calculated result shows that the wire exposed to electromagnetic environment of HEMP can be inspirited with high amplitude current interference pulse. The voltage interference pulse more than 10 000 V at end of a wire can be inspirited.