IEC TS 63042-401:2025, 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.
Life cycle
NOW
IN_DEVELOPMENT IEC TS 63042-401 ED1 50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks Aug 1, 2025
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