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IEC TS 63042-401 ED1

UHV AC transmission systems - Part 401: Substation maintenance

General information

60.00     Nov 7, 2025

PPUB    Dec 19, 2025

IEC

TC 122

Technical Specification

29.240.01     29.240.10  

Scope

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.

Life cycle

NOW

PROJECT
IEC TS 63042-401 ED1
60.00 Standard under publication
Nov 7, 2025