GB/T 25890.9-2010

Railway applications - Fixed installations - DC switchgear Part 7-3: Measurement,control and protection devices for specific use in d.c. traction systems-Isolating voltage transducers and other voltage measuring devices

轨道交通 地面装置 直流开关设备 第7-3部分：直流牵引供电系统专用测量、控制和保护装置 隔离电压变送器和其他电压测量设备