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    I.S. EN 61620:1999

    Current The latest, up-to-date edition.

    INSULATING LIQUIDS - DETERMINATION OF THE DIELECTRIC DISSIPATION FACTOR BY MEASUREMENT OF THE CONDUCTANCE AND CAPACITANCE - TEST METHOD

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1999

    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)

    INTRODUCTION
    1 Scope
    2 Normative references
    3 Definitions
    4 Principle of operation
    5 Apparatus
    6 Sampling
    7 Labelling
    8 Procedure
    9 Expression of results
    10 Test report
    11 Precision
    Annex A (normative) Exhaustive cleaning procedure for the
    test cells
    Annex B (normative) Simplified cleaning procedure for test cells
    devoted to only one type of liquid
    Annex C (informative) General considerations on the factors
    influencing the conduction of liquids
    Annex D (informative) Bibliography
    Annex ZA Normative references to international publications with
    their corresponding European publications

    Abstract - (Show below) - (Hide below)

    Covers a procedure for the simultaneous measurement of conductance G and capacitance C, which enables the calculating of the dielectric dissipation factor tan of insulating liquids. Applicable both to unused and inservice insulating liquids, in transformers and other electrical equipment.

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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
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