High-voltage switchgear and controlgear - Part 307: Guidance for the extension of validity of type tests of AC metal and solid-insulation enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV— 97 стр.
High-voltage switchgear and controlgear. Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV— 34 стр.
High-voltage switchgear and controlgear - Part 211: Direct connection between power transformers and gas-insulated metal-enclosed switchgear for rated voltages above 52 kV (IEC 62271-211:2014) (english version)
