• EN 61203:1994

    Current The latest, up-to-date edition.

    Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment

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    Published date:  07-09-1994

    Publisher:  European Committee for Standards - Electrical

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Tests and their significance
      3.1 Colour and appearance
      3.2 Density
      3.3 Kinematic viscosity
      3.4 Flash point - Fire point
      3.5 Water content
      3.6 Neutralization value
      3.7 Breakdown voltage
      3.8 D.C. resistivity
      3.9 Dielectric dissipation factor
      3.10 Diagnosis by gas analysis (IEC 567 and IEC 599)
    4 Frequency of examination of liquids in service
    5 Sampling
    6 Testing procedures
      6.1 Field screening tests
      6.2 Laboratory tests
    7 Classification of esters in service
    8 Treatment of ester liquids in group 2
      8.1 Vacuum treatment and filtration
      8.2 Molecular sieve and filtration
    9 Materials used for maintenance equipment
    ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS
             QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE
             RELEVANT EUROPEAN PUBLICATIONS

    Abstract - (Show below) - (Hide below)

    Guide to the maintenance of synthetic organic esters, originally complying with the requirements of EN 61099, in transformers with rated voltages up to 35 kV.

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

    Committee CLC/SR 10
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    BS EN 60695-1-40:2014 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products. Insulating liquids
    I.S. EN 60695-1-40:2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    UNE-EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    CLC/TR 50503 : 2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
    CEI EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids

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

    HD 397 : 200S1 INTERPRETATION OF THE ANALYSIS OF GASES IN TRANSFORMERS AND OTHER OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE
    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    EN 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    IEC 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
    EN 60567:2011 OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011)
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