IEC TC/SC Standard
TC IEC 60038:2009, IEC standard voltages
IEC 60059:1999, IEC standard current ratings
IEC 62511:2014, Guidelines for the design interconnected power systems
IEC 62749:2020, Assessment power quality Characteristics electricity supplied
by public networks
IEC 62786-1:2023, Distributed energy resources connection with the grid Part 1:
General requirements
IEC 62786-3:2023, Distributed energy resources connection with the grid Part 3:
Additional requirements for stationary battery energy storage system
IEC 62934:2021, Grid integration renewable energy generation Terms and definitions
IEC 63060:2019, Electric energy supply networks General aspects and methods for
the maintenance installations and equipment
IEC 63222-2:2023, Power quality management Part Power quality monitoring
system
IEC 63282:2024, LVDC systems Assessment standard voltages and power quality
requirements
SC IEC 63411:2025, Grid connection offshore wind via VSC-HVDC systems
SC IEC 63354, Guideline for the planning and design direct current hybrid microgrids
(under development)
SC PWI 8C-9, Primary frequency coordinated control framework system with high
penetration inverter-based generation (under development)
PWI 8C-10, Coordinated automatic voltage control for power system with high penetration
of IBR (inverter-based resource) (under development)
IEC 63384-2 ED1, Power system stability control Part Guideline for quantitative
assessment power system stability and security (under development)
IEC 63537 ED1, Hardware-in-the-loop simulation test power system stability control
system (under development)
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Annex B
IEC Standards relevant MVDC power systems
The following standards are relevant MVDC power system operation and are likely require updating to
address MVDC technology, operations, interoperability and testing