The location and quantity of arrestor and impulse grounding resistance of towers has direct influence on lighting overvoltage. 变电站避雷器安装位置和数量及输电线终端塔的接地电阻对雷电过电压有着直接的影响。
This paper proposed the method of lightning overvoltage real-time monitoring of generators, which has combined the multiconductor transmission line theory and FFT. 本文提出的大型发电机雷电过电压在线监测分析方法，采用实时性较好的信号测量方法，将多导体传输线理论与快速傅立叶变换相结合进行信号处理和计算，具有一定的现实意义。
