United power system and isolated power systems. Relay protection and network automation of autotransformers (transformers), shunt reactors, controlled shunt reactors, capacitor banks 110 kV and above. Functional requirements
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of signal length and time of propagation in fibre, average power, attenuation and wavelength for system of fibre-optic transmission and of data transmission