【摘要】 在贵广直流肇庆换流站站用电源线路防雷改造中,采取了电源线路复合绝缘子加片、增设耦合地线和加装线路避雷器等综合防雷改造方案。对各方案实施原则进行分析,并对比改造后与往年的运行数据,证明了本方案确实具有一定的防雷效果,为110kV高压架空输电线路防雷提供了一些经验。更多还原

【Abstract】 In Gui-Guang DC line Zhaoqing converter station auxiliary power line lightning protection upgrade project,a comprehensive scheme that increases number of composite insulator skirts,adds coupled earth wire and installs line lightning arresters is adopted.Through analyzing implementations of each scheme,and comparing post reconstruction operation data with historical operation data,the effectiveness of the scheme is validated,and some suggestions on 110 kV HV overhead line lightning protection are also given.更多还原