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雷击发生时,雷击放电诱发雷击电磁脉冲过电压和过电流,经站场电源系统、通信信号传输通道、接地系统及建筑物直击雷防护系统,通过传导、感应的方式损坏站内通信信号设备及网络通信设备,造成严重损失。宜万铁路站场雷电防护主要采用了直接雷防护(避雷针防护)和雷击电磁脉冲防护方案,详细介绍了两种防护方案的设置要求和主要设备情况。
When a lightning strike occurs, a lightning strike discharge induces an overvoltage and an overcurrent of lightning electromagnetic pulses. The station power supply system, communication signal transmission channel, grounding system and building direct lightning protection system cause damage to the communication signal equipment and network in the station through conduction and induction Communication equipment, causing serious damage. Thunder and lightning railway station Yiren protection mainly uses the direct lightning protection (lightning protection) and lightning electromagnetic pulse protection programs, detailing the two kinds of protection programs set the requirements and the main equipment.