This is significant for analyzing lightning accident completely andaccurately and finding out the cause of lightning accident as aspect of lightning current peak and lightning steepness.

• 现在雷击事故高发与雷电参数的缺乏有很大的关系。因为它使绝缘设计与防雷改造带有很大的盲目性。例如:大幅值、小陡度雷击事故与铁塔接地电阻的大小有关;