用击穿电流和电晕电流表示雷电回击标准电流

被引:6
作者
田明宏
魏光辉
刘尚合
机构
[1] 军械工程学院静电与电磁防护研究所
[2] 军械工程学院静电与电磁防护研究所 石家庄
[3] 石家庄
关键词
击穿电流; 电晕电流; 脉冲函数;
D O I
10.13336/j.1003-6520.hve.2002.04.014
中图分类号
TM863 [大气过电压及其防护];
学科分类号
080803 ;
摘要
为准确计算雷电回击的电磁场 ,用击穿电流和电晕电流来拆分 IC标准雷电回击电流。前者用一种新型脉冲函数表示 ,后者用双指数函数表示。分别拆分拟合了标准中雷电首次回击和后续回击通道基电流。所得结果误差 <3%。
引用
收藏
页码:33 / 35+38 +38
页数:4
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