• BS EN 61203:1995

    Current The latest, up-to-date edition.

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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  15-06-1995

    Publisher:  British Standards Institution

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

    Committees responsible
    National foreword
    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)

    Applicable to esters orginally complying with the requirements of BS EN 61099

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

    Committee GEL/10
    Development Note Also numbered as IEC 61203 Supersedes 86/20278 DC (11/2005)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    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
    BS EN 60567:2011 Oil-filled electrical equipment. Sampling of gases and analysis of free and dissolved gases. Guidance
    BS 5800:1979 GUIDE FOR THE INTERPRETATION OF THE ANALYSIS OF GASES IN TRANSFORMERS AND OTHER OIL FILLED ELECTRICAL EQUIPMENT IN SERVICE
    BS EN 61099:2010 Insulating liquids. Specifications for unused synthetic organic esters for electrical purposes
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