
Standard technical requirements for transformers, autotransformers (distributive, power) of voltage classes 110-750 kV
STANDARD published on 11.5.2011
Designation standards: STO 56947007-29.180.091-2011
Publication date standards: 11.5.2011
The number of pages: 116
Approximate weight : 379 g (0.84 lbs)
Country: Russian technical standard
Category: STO
Implemented changes and corrections:
Rev. 1 - 2012
2 - 2015
3 - 2016