Data acquisition and management system for electrical energy part 3-3:technical specification of electrical energy data acquisition terminal-special requirement for data acquisition terminal of special transformer
Distribution automation using distribution line carrier systems -- Part 3-22: Mains signalling requirements -- MV phase-to-earth and screen-to-earth intrustive coupling devices
Distribution automation using distribution line carrier systems-Part 3-21:Mains signalling requirements-MV phase-to-phase isolated capacitive coupling devices