摘要
雷电回击模型是研究分析雷电产生电磁场特性的重要环节,介绍了雷电回击模型的假设条件、分类方法以及常用模型构建的物理思想和数学表达式,分析了两类模型的内在联系、几种雷电回击电流波形曲线和DU模型中部分参数对电磁场计算的影响,并为今后雷电回击模型的研究建立提出了建议。
The lightning return stroke model is very important for studying and analyzing the characteristics of lightning electromagnetic fields. The assumption and classifying methods of lightning return stroke models are introduced as well as the mathematical expression of commonly used models. The intrinsic link between two types of models, several current waveform curve of lighting return stroke and the impact of some parameters of DU model on the calculation of lightning electromagnetic fields are all analyzed. Further more, the suggestions on research of lightning return stroke models are put forward.
出处
《四川电力技术》
2010年第2期38-41,共4页
Sichuan Electric Power Technology
关键词
雷电
回击
模型
通道
电磁场
lightning
return stroke
model
channel
electromagnetic field