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Annex IEC Standards relevant MVDC power systems
IEC TC/SC Standard
TC IEC 60870-5-7:2025, Telecontrol equipment and systems Part 5-7: Transmission
protocols Security extensions IEC 60870-5-101 and IEC 60870-5-104 protocols
(applying IEC 62351)
IEC 61850-1:2013, Communication networks and systems for power utility
automation Part Introduction and overview
IEC 61850-1-2, -2, -3, -4, -5, -6, -7-1, -7-2, -7-3, -7-4, -7-5, -7-6, -7-420, -8-1, -8-2,
-9-2, -9-3, -10, Communication networks and systems for power utility automation
IEC 61850-90-7, -90-9, -90-12, Communication networks and systems for power
utility automation
IEC 61968-4:2019, Application integration electric utilities System interfaces for
distribution management Part Interfaces for records and asset management
IEC 62351-4, -7, -10, Power systems management and associated information
exchange Data and communications security
IEC 62357-1:2016, Power systems management and associated information
exchange Part Reference architecture
IEC 62746-3:2015, Systems interface between customer energy management system
and the power management system Part Architecture
TC IEC 60479-1:2018, Effects current human beings and livestock Part General
aspects
IEC 61140:2016, Protection against electric shock Common aspects for installation and
equipment
TC IEC 61660-1:1997, Short-circuit currents auxiliary installations power plans and
substations Part Calculation short-circuit currents
IEC 61660-2:1997, Short-circuit currents auxiliary installations power plans and
substations Part Calculation effects
IEC 61660-3:1997, Short-circuit currents auxiliary installations power plans and
substations Part Examples calculations
TC IEC 62305:2024 series, Protection against lightning
IEC 62858:2019, Lightning density based lightning location systems General
principles
TC IEC 61810-1:2015, Electromechanical elementary relays Part General and safety
requirements
IEC 63522-0 ED1, Electrical relays Tests and Measurements Part General and
guidance (under development)
TC IEC 60255-1, -26, -27, Measuring relays and protection equipment
