Electromagnetic compatibility of technical equipment. Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. Part 2-1. Mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz intended for use in residential, commercial and light industrial environments. Immunity requirements and test methods
United power system and isolated power systems. Operational dispatching control. Calculations to determine the possibility of decommissioning of power lines, utilities and devices of electric power facilities classified as objects of dispatching. Norms and requirements
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