PD IEC/TR 62711 provides recommendations for consistent use of mnemonics, and qualifying symbols to be applied to symbols representing devices used in systems for monitoring, protection, switching, and controlling of apparatus in electrical substations, generating stations, power utilization, and conversion facilities, and equipment designed for automatic protection of power systems. The recommendations mentioned in PD IEC/TR 62711 are intended for designers, manufacturers, and engineers of such systems.
PD IEC/TR 62711 on mnemonics and designations of symbols is helpful for:
PD IEC/TR 62711 provides manufacturers with the terms, definitions, measuring relay symbols and measuring instruments which allows them to use mnemonics, and qualifying symbols effectively.
PD IEC/TR 62711 allows users to accurately measure relays, instruments, and related device.
IEC TR 62711:2011