【摘要】 先导间隔时间ｔｓ是描述ＳＦ６气体间隙放电发展过程的重要参数。通过不同波头冲击电压下ｔｓ的测量，拟合出与Ｎｉｅｍｅｙｅｒ等人不同的新定量关系式，并以分子扩散理论和流注向先导转变的前驱机理为基础对所得关系式进行了理论推导。更多还原

【Abstract】 The leader step time t s is an important parameter to describe the discharge process in SF 6 filled gaps A new scaling law of t s,which has the different form of that given by Niemeyer et al,is presented from the experimental data under impulses of different wavefront durations Based on the diffusion theory and the precursor mechanism,the scaling law presented in this paper is derived更多还原