广播发射台防雷技术方法研究

Lightning Protection Technology in Broadcasting Transmitting Station

本文通过对应用了当代防雷技术还存在雷电损坏设备的高山发射台实际防雷线路的具体分析,得出不同设备被雷电损坏的多种原因,提出了弱电位差防雷理论;依据不同发射机房实际要求,提供了发射机房弱电位差连接防雷方法,发射机房等电位连接防雷方法,雷电阻滞防雷方法,卫星、微波信号接收防雷方法,光缆防雷方法,防雷电位差测试方法等创新发明,以全面消除发射台设备的雷害。

This paper analyzes the lightning protection circuit of the broadcasting transmitting station on high mountains, in which contemporary lightning protection technology has been applied while the lightning damage still occurs. The reasons for different equipment being damaged by lightning are obtained. The theory of lightning protection with weak potential difference is put forward. According to the actual requirements of different transmitting rooms, a weak potential difference connection lightning protection method, a lightning protection method for equipotential connection in the transmitting room, a lightning arresting and lightning protection method, a satellite and microwave signals receiving lightning protection method, a lightning protection method for optical fber cable and a lightning protection potential difference test method are provided in this paper. All of these methods are applied to completely eliminate the lightning damage of the equipment in the transmitting station.