• EN 61378-2 : 2001

    Current The latest, up-to-date edition.

    CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS

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    Published date:  18-04-2001

    Publisher:  European Committee for Standards - Electrical

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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
           conditions
       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
           measurements
    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
            level
    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
    Bibliography
    Table 1 - Test conditions for three-winding
              transformers
    Annex ZA (normative) Normative references to
                         international publications
                         with their corresponding
                         European publications


    Abstract - (Show below) - (Hide below)

    Applicable to oil-immersed three-phase and single-phase convertor transformers for use in HVDC power transmission.

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

    Committee TC 14
    Document Type Standard
    Publisher European Committee for Standards - Electrical
    Status Current

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

    CEI EN 60076-14 : 2014 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    BS EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    EN IEC/IEEE 65700 : 2018 BUSHINGS FOR DC APPLICATION (IEC/IEEE 65700-19-03:2014)
    UNE-EN 61378-1:2012 Convertor transformers -- Part 1: Transformers for industrial applications
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    I.S. EN IEC/IEEE 65700:2018 BUSHINGS FOR DC APPLICATION
    EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS

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

    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    IEC 60214:1989 On-load tap-changers
    IEC 60076-10:2016 Power transformers - Part 10: Determination of sound levels
    IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    IEC 60354:1991 Loading guide for oil-immersed power transformers
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 60146-1-1:2009 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
    IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
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