Railway applications. Fixed installations. Particular requirements for a.c. switchgear. Measurement, control and protection devices for specific use in a.c. traction systems. Voltage transformers— 16 стр.
Wind turbines - Part 12-2: Power performance of electricity-producing wind turbines based on nacelle anemometry (IEC 61400-12-2:2013) (english version)
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 (english version)