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  • IEEE C57.12.11-1980

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    IEEE Guide for Installation of Oil-Immersed Transformers (10 MVA and Larger, 69-287 kV Rating)

    Available format(s):  PDF

    Superseded date:  15-10-2021

    Language(s):  English

    Published date:  07-11-1980

    Publisher:  Institute of Electrical & Electronics Engineers

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

    1 Scope and introduction
    2 Inspection on receipt
    3 Internal inspection
    3.1 Atmospheric conditions
    3.2 Oil filling before opening tank
    3.3 Oil filling before opening tank - alternate method
    3.4 Special considerations for different types of tanks
    3.5 Inspection
    4 Handling
    4.1 Complete transformer
    4.2 Lifting with slings
    4.3 Raising with jacks
    5 Assembly of fittings
    5.1 General
    5.2 Bushings
    5.3 Heat exchangers and piping
    5.4 Other accessories
    6 Vacuum treatment
    6.1 Preparation
    6.2 Vacuum treatment
    7 Filling with oil
    7.1 Checking oil
    7.2 Vacuum filling
    8 Tests
    9 Field drying
    9.1 Method 1 - circulating hot oil
    9.2 Method 2 - short-circuited windings, vacuum
    9.3 Method 3 - using high vacuum
    9.4 Method 4 - using hot air
    9.5 Completion of the drying
    Figure
    1 Moisture equilibrium chart
    Table
    1 Vacuum-pressure conversions

    Abstract - (Show below) - (Hide below)

    Covers new large oil immersed power transformers with high voltage windings rated 69-287 kV inclusive. Sections may apply to lower voltage transformers when similar conditions and transformer construction exist, and for servicing older transformers.

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

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    Status Superseded
    Superseded By

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

    IEEE C57.12.12 : 1980 GUIDE FOR INSTALLATION OF OIL-IMMERSED EHV TRANSFORMERS 345 KV AND ABOVE.
    IEEE C57.129-2007 REDLINE IEEE Standard for General Requirements and Test Code for Oil-Immersed HVDC Converter Transformers
    IEEE C57.12.00-1987 IEEE Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers

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

    IEEE C37.91-2008 REDLINE IEEE Guide for Protecting Power Transformers
    IEEE C37 : 1995 COMPLETE EDITION OF CURRENT STANDARDS PUBLISHED BY THE IEEE AND ANSI ON CIRCUIT BREAKERS, SWITCHGEAR, SUBSTATIONS, AND FUSES
    IEEE C37.95-2014 IEEE Guide for Protective Relaying of Utility-Consumer Interconnections
    IEEE C57.12.01-2015 REDLINE IEEE Standard for General Requirements for Dry-Type Distribution and Power Transformers
    IEEE C57.12.00-2015 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEEE C57.98-2011 IEEE Guide for Transformer Impulse Tests
    IEEE 85-1973 IEEE Test Procedure for Airborne Sound Measurements on Rotating Electric Machinery
    IEEE C57.100-2011 IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power Transformers
    IEEE C57.12.91-2011 IEEE Standard Test Code for Dry-Type Distribution and Power Transformers
    IEEE C57.105-1978 IEEE Guide for Application of Transformer Connections in Three-Phase Distribution Systems
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