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    I.S. EN 61181:2007

    Current The latest, up-to-date edition.

    MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007 (EQV))

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 General caution, health, safety and
      environmental protection
    4 Oil sampling
    5 Factors affecting gassing rate during
      thermal tests
    6 Dissolved gas extraction and analysis
    7 Report
    Annex A (informative) - Gas formation rates
            during thermal tests on power
            transformers
    Annex B (informative) - Gas formation rates
            during chopped-lightning impulse
            tests on instrument transformers [6]
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications
    Annex ZB (normative) - Special national conditions

    Abstract - (Show below) - (Hide below)

    Describes oil-sampling procedures, analysis requirements and procedures, and recommends sensitivity, repeatability and accuracy criteria for the application of dissolved gas analysis (DGA) to factory testing of new power transformers, reactors and instrument transformers filled with mineral insulating oil when DGA testing has been specified.

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    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    IEC 60475:2011 Method of sampling insulating liquids
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    IEEE C57.12.90-2010 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
    IEC 60076:1967 Power transformers
    EN 60567:2011 OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011)
    EN 60475 : 2011 Method of sampling insulating liquids
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