保护发电厂、变电站中交流电气设备免受大气过电压和操作过电压的损坏。 系统标称电压kV(有效值)避雷器额 定 电压kV(有效值)避雷器持续运行电压     大kV(有效值)直流1mA参考电压            在≮kV(有郊值)2ms方波通流容量A残    压伞径φmm高度Hmm图号雷电冲击电流陡波冲击电流操作冲击电流KV (峰值) ≯Y5WZ-5/13.5354.07.215013.515.511.5952701-1YH5WZ-5/13.5901841-2YH5WZ-5/13.5DL901841-2Y5WZ-10/276108.014.415027.031.023.0952701-1YH5WZ-10/27901841-2YH5WZ-10/27DL901841-2Y5WZ-12/32.410129.617.415032.437.227.6953151-1YH5WZ-12/32.4902571-2YH5WZ-12/32.4DL902571-2Y5WZ-15/40.5101512.021.815040.546.534.5953151-1YH5WZ-15/40.5902571-2YH5WZ-15/40.5DL902571-2Y5WZ-17/45101713.624.015045.051.838.3953151-1YH5WZ-17/45902571-2YH5WZ-17/45DL902571-2Y5WZ-52.7/1343552.740.873.0150(400)134.0154.0114.023210801-3YH5WZ-52.7/1341606201-5YH5WZ-52.7/134DL1106201-6YH5WX-52.7/1341606201-4Y5WZ-51/134355140.873150(400)134154114.023210801-3YH5WZ-51/1341606201-5YH5WZ-51/134DL1106201-6YH5WX-51/1341606201-4YH5WZ-90/235669072.513060023527020121512301-7YH10WZ-90/235669072.513060023526420121512301-7YH5WZ-96/250110967514060025028821321512301-7YH10WZ-96/250110967514060025028021321512301-7YH5WZ-100/2601101007814560026029922121512301-7YH5WX-100/26021512001-8YH10WZ-100/2601101007814560026029122121512301-7YH5WZ-102/2661101028014860026630522621512301-7YH5WX-102/26621512001-8YH10WZ-102/2661101028014860026629722621512301-7YH5WZ-108/2811101088415760028132323921512301-7YH5WX-108/28121512001-8YH10WZ-108/2811101088415760028131523921512301-7