Abstract：When lightning wave intrude into substation, overvoltage will occurr that causes great threat to equipment insulation. Therefore it is very necessary to study the protection of lightning over voltage occurred in substation. In this paper, the model of West substation of a coal company has been built up. The lightning overvoltages at different equipments are calculated calculated by EMTP. It can be seen that the further the strike point from the substation, the lower the lightning overvoltagecoukd be. Extenting the length of the incoming line can reduce the lightning overvoltage magnitudes.
雷延龄,雷玺,姜华,贾蒂,刘青. 某煤业集团西区变电站雷电入侵电压分析[J]. 电气技术, 2015, 16(02): 81-83.
Lei Yanling, Lei Xi, Jiang Hua, Jia Di, Liu Qing. Research on the Lightning Overvoltage in the Substation of a Coal Industry Group. Electrical Engineering, 2015, 16(02): 81-83.
2015, Vol. 16 
