Railway applications. Fixed installations. Particular requirements for alternating current switchgear. Circuit-breakers with nominal voltage above 1 kV— 28 стр.
Railway applications. Fixed installations. Particular requirements for a.c. switchgear. Measurement, control and protection devices for specific use in a.c. traction systems. Current transformers— 16 стр.
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 - Current transformers (english version)