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IEC TS 63042-401:2026 ED1

UHV AC transmission systems - Part 401: Substation maintenance IEC TS 63042-401:2026 ED1

Publication date:   Jan 28, 2026

General information

60.60   Standard published   Jan 28, 2026

IEC

TC 122

Technical Specification

29.240.01   Power transmission and distribution networks in general | 29.240.10   Substations. Surge arresters

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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.

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PUBLISHED
IEC TS 63042-401:2026 ED1
60.60 Standard published
Jan 28, 2026




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