Three-phase oil-immersed distribution transformers 50 Hz, from 50 kVA to 2 500 kVA with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements (english version)
Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements; German version EN 50588-1:2015— 32 стр.
Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements; German version EN 50588-1:2017— 37 стр.
Medium power transformers 50 Hz, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements; German version EN 50588-1:2017— 37 стр.