对深圳地区输电线路防雷措施的探讨

电力输电线路因雷击引起的跳闸事故很多,特别是110kV线路,本文根据深圳地区实际情况,就综合防雷措施做了一些探讨。现场运行经验证明,深圳电网采取综合防雷措施对提高线路耐雷水平、吸收雷电过电压能量、防止绝缘子闪络、降低输电线路雷击跳闸率是十分有效的。

Discussion on the Lightning- stroke Protection Measures for Over-Head Lines in Shenzhen

As many trip - out accidents of power transmission lines are caused by lightning - stroke, especially 110kV lines, the author made an approaching to the lightning-stroke protection measures according to the real situation in Shenzhen. The operation experience in site has proved that the integral lightning - stroke protection measures in Shenzhen network are very active to raising lightning protection level of the lines, absorbing the energy of lightning over-voltage, preventing insulation from flashing, and reducing lightning trip-out rate of transmission lines.