绝缘子的沿面闪络制约着脉冲功率系统向高电压、大电流方向发展，总结了几种实际应用条件下的最佳绝缘子构型，并对不同角度下绝缘子表面的带电情况进行了分析。结果表明，表面电荷对不同绝缘子构型的性能起着至关重要的作用，需要根据不同的应用条件来开展实验研究以确定最佳的绝缘子构型。

Insulator surface flashover restricts the pulsed power system’s development toward high-voltage, high-current direction. This article summarizes the optimal insulator geometry under a few different applications, and analyzes the surface charge of different insulator angles. The results indicate that surface charge plays an important role in the flashover performance of insulator, and it is necessary to carry out experimental studies to find out the optimal insulator geometry according to different applications.