轨道交通信号设备室电源电涌保护器参数选择

Parameters Selection of Rail Traffic Signal Equipment and Power Surge Protector

轨道交通信号系统分布范围广,自动化程度高,容易遭受雷击侵害。分析了信号设备室电源电涌保护器参数选择时需要考虑的防雷分级情况,介绍了防雷冲击通流容量(标称放电电流)参数选择及其安全系数的确定。

Rail traffic signal system is widely distributed,high degree of automation,vulnerable to lightning damage.After analysis of classification of lightning about parameters selection of rail traffic signal equipment and power surge protector,the paper describes parameters selection of mine the impact of flow capacity（Nominal Discharge Current） and determination of safety factor.