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  • UNE 21428-1:2017

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3 150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. National complementary annex.

    Available format(s):  Hardcopy, PDF

    Superseded date:  01-12-2021

    Language(s):  Spanish, Castilian

    Published date:  01-02-2017

    Publisher:  Asociacion Espanola de Normalizacion

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    Committee CTN 207/SC 14
    Development Note Supersedes UNE 20138. (06/2003)
    Document Type Standard
    Publisher Asociacion Espanola de Normalizacion
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    UNE 21428-1-3:2017 Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 3: Requirements for dual-voltage transformers in high-voltage and for dual-voltage transformers in low-voltage
    UNE 21428-1-1:2017 Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 1: Requirement for dual voltage transformers in high-voltage.
    UNE 21428-1-2:2017 Three-phase oil-immersed distribution transformers 50 Hz, from 25 kVA to 3150 kVA with highest voltage for equipment not exceeding 36 kV -- Part 1: General requirements. Section 2: Requirements for dual-voltage transformers in low-voltage

    Standards Referencing This Book - (Show below) - (Hide below)

    UNE-EN 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
    UNE-EN ISO 12944-1:1999 Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 1: General introduction (ISO 12944-1:1998)
    UNE-EN 60296:2012 Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
    UNE 48103:2014 Paints and varnishes. Standardized colours.
    UNE-EN ISO 12944-2:1999 Paints and varnishes - Corrosion protection of steel structures by protective paint systems - Part 2: Classification of environments (ISO 12944-2:1998)
    UNE-EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
    UNE-EN 60867:1996 INSULATING LIQUIDS. SPECIFICACIONS FOR UNUSED LIQUIDS BASED ON SYNTHETIC AROMATIC HYDROCARBONS.
    UNE-EN 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
    UNE-EN 61099:2011 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    UNE 207019:2009 IN Template of routine test protocol for MV/LV distribution transformers
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