• I.S. EN 61378-2:2001

    Current The latest, up-to-date edition.


    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2001

    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)

    1 General
       1.1 Scope
       1.2 Service conditions
    2 Normative references
    3 Definitions
    4 List of variables
    5 Ratings
       5.1 General
       5.2 Rated voltage
       5.3 Rated current
       5.4 Rated frequency
       5.5 Rated power
    6 Tolerances
       6.1 General
       6.2 Short-circuit impedance tolerances
       6.3 Guarantees
    7 Losses
       7.1 General
       7.2 No-load loss
       7.3 Load loss under rated power-frequency
       7.4 Load loss under service conditions
       7.5 Determination of hot-spot temperature
    8 Insulation levels
       8.1 Line windings
       8.2 Valve windings
       8.3 Induced voltage level with partial discharge
    9 Sound level
       9.1 General
       9.2 Guaranteed sound-power levels
       9.3 Sound-power level at site
    10 Testing
       10.1 General
       10.2 Tests
       10.3 Load-loss measurements
       10.4 Factory dielectric tests
       10.5 Temperature-rise test
       10.6 Load-current test
       10.7 Determination of transformer sound-power
    11 High-frequency modelling
    12 Loading of transformer above rating
    13 Bushings
       13.1 AC bushings
       13.2 Valve winding bushings
    14 Tap-changer
       14.1 General
       14.2 Current wave shape
    Table 1 - Test conditions for three-winding
    Annex ZA (normative) Normative references to
                         international publications
                         with their corresponding
                         European publications

    Abstract - (Show below) - (Hide below)

    Covers oil-immersed three-phase and single-phase convertor transformers for use in HVDC power transmission. Also applies to transformers having two, three or multiple windings.

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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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