DS/EN 50152-3-3:2001
鐵路應用 固定裝置 交流開關設備的特殊要求 第 3-3 部分:交流牽引系統中特定用途的測量、控制和保護裝置 單相感應電壓互感器
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 - Single-phase inductive voltage transformers