EN 50152-3-3:2016
鐵路設施.固定裝置.交流開關的特殊要求.第3-3部分:專門用于交流牽引系統的測量,控制和保護裝置.單相感應式電壓互感器
Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-3: Measurement@ control and protection devices for specific use in a.c. traction systems - Voltage transformers