WG 4 - TC 122/WG 4
TC 122/WG 4
General Information
IEC TS 63042-401:2026, which is a Technical Specification, gives guidance on UHV AC substation maintenance considering system-oriented maintenance issues of UHV AC transmission systems.
It is based on the development and on-site practice of maintenance technology involved in UHV AC transmission systems. It applies to power system planners, equipment suppliers, engineering contractors, maintenance staff and power grid operators.
- Technical specification45 pagesEnglish languagesale 15% off
Frequently Asked Questions
WG 4 is a Technical Committee within the International Electrotechnical Commission (IEC). It is named "TC 122/WG 4". This committee has published 476 standards.
WG 4 develops IEC standards in the area of Information technology. Currently, there are 476 published standards from this technical committee.
The International Electrotechnical Commission (IEC) is the world's leading organization for the preparation and publication of international standards for electrical, electronic, and related technologies. Founded in 1906, the IEC provides a global platform for companies, industries, and governments to meet, discuss, and develop the international standards they require.
A Technical Committee (TC) in IEC is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.