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  • IEEE C57.12.12 : 1980

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    GUIDE FOR INSTALLATION OF OIL-IMMERSED EHV TRANSFORMERS 345 KV AND ABOVE.

    Available format(s):  Hardcopy, PDF

    Superseded date:  23-07-2013

    Language(s):  English

    Published date:  01-01-1980

    Publisher:  Institute of Electrical & Electronics Engineers

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    Table of Contents - (Show below) - (Hide below)

    1 Introduction
    2 Inspection on receipt
    2.1 External, transformer on rail car
    2.2 Internal, transformer on rail car
    3 Internal inspection at site
    4 Preliminary oil filling
    5 Assembly
    6 Vacuum treatment and final filling
    7 Vacuum drying of insulation
    8 Recirculation
    9 Energization
    10 References
    Appendices
    A EHV transformer installation
    B Field equipment for oil filling EHV transformers
    C Determination of insulation dryness
    D Mineral oil for use in EHV transformers
    Figures
    B1 Insulation temperature bridge
    C1 Conversion of dewpoint or frostpoint to vapor
         pressure in micrometers (or Pascals)
    C2 Moisture equilibrium chart with moisture content in
         percent of dry weight of insulation
    C3 Some examples of insulation characteristics
    Table
    D1 Characteristics of mineral oil suitable for use in
         EHV transformers

    Abstract - (Show below) - (Hide below)

    Covers modern large oil immersed power transformers with high voltage windings 345 kV and above.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Institute of Electrical & Electronics Engineers
    Status Superseded
    Superseded By

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

    IEEE C57.129-2007 REDLINE IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers

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

    IEEE C57.12.11-1980 IEEE Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating)
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