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  • IEEE C57.139-2010

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Dissolved Gas Analysis in Transformer Load Tap Changers

    Available format(s):  PDF

    Superseded date:  29-04-2016

    Language(s):  English

    Published date:  18-02-2011

    Publisher:  Institute of Electrical & Electronics Engineers

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

    1 Overview
    2 Normative references
    3 Definitions
    4 Nature, purpose, and basis for DGA for LTCs
    5 Norms for LTC DGA
    6 Procedure for interpretation of LTC DGA data
    Annex A (informative) - Generic classification
            scheme for LTC types
    Annex B (informative) - Sample procedures for
            statistical derivation of limits
    Annex C (informative) - Case histories
    Annex D (informative) - Application of the Duval
            Triangle 2 to DGA in LTCs
    Annex E (informative) - Gas ratio nomograms for
            DGA in LTCs
    Annex F (informative) - Bibliography

    Abstract - (Show below) - (Hide below)

    Establishes methods of testing and evaluating dissolved gases in mineral based transformer oils found in load tap changers (LTCs).

    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    Status Superseded
    Superseded By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 C57.152-2013 IEEE Guide for Diagnostic Field Testing of Fluid-Filled Power Transformers, Regulators, and Reactors
    IEEE C57.140-2006 IEEE Guide for Evaluation and reconditioning of Liquid Immersed Power Transformers
    IEEE C57.106-2006 IEEE Guide for Acceptance and Maintenance of Insulating Oil in Equipment
    IEEE C57.143-2012 IEEE Guide for Application for Monitoring Equipment to Liquid-Immersed Transformers and Components
    IEEE C57.125-2015 IEEE Guide for Failure Investigation, Documentation, Analysis, and Reporting for Power Transformers and Shunt Reactors

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

    ASTM D 923 : 2015 : REDLINE Standard Practices for Sampling Electrical Insulating Liquids
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