EN 50152-3-2-2001 铁路设施.固定装置.交流电开关的特殊要求.第3-2部分:专门用于交流牵引系统的测量,控制和保护装置.单相电流变压器
Railway Applications - Fixed Installations - Particular Requirements for A.C. Switchgear - Part 3-2: Measurement, Control and Protection Devices for Specific Use in A.C. Traction Systems - Single-Phase Current Transformers