United power system and isolated power systems. Relay protection and automatic. Automatic control devices of frequency and active power of hydraulic power units of hydraulic and pumped storage power plants. Norms and requirements
NORM herausgegeben am 1.4.2023
Designation standards: GOST R 70661-2023
Publication date standards: 1.4.2023
The number of pages: 46
Approximate weight : 138 g (0.30 lbs)
Country: Russian technical standard
Kategorie: Technische Normen GOST