分析了变电站事故照明系统现状 ,指出普通节能灯及日光灯使用中存在的问题 ,如污染电网、产生的电磁辐射对电站设备的影响、浪费电能等。着重介绍了高功率因数电子镇流器的优点 ,如谐波失真小、减少对电网的污染、节能效果显著等 ,值得推广应用 The status quo of substation accident lighting system is analyzed, and the problems in the use of common energy-saving lamps and fluorescent lamps are pointed out, such as the pollution of the power grid, the influence of the generated electromagnetic radiation on power plant equipment and the waste of electric energy. The advantages of high power factor electronic ballast are introduced emphatically, such as low harmonic distortion, less pollution to the power grid, significant energy saving effect, etc., which are worth popularizing and applying