United power system and isolated power systems. Relay protection and automation of autotransformers (transformers) voltage class 330 kV and above. Testing
NORMA vydána dne 1.9.2025
Designation standards: GOST R 72197-2025
Publication date standards: 1.9.2025
The number of pages: 42
Approximate weight : 126 g (0.28 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST