• BS EN 60076-11 : 2004

    Current The latest, up-to-date edition.

    POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2004

    Publisher:  British Standards Institution

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

    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Service conditions
       4.1 General
       4.2 Normal service conditions
       4.3 Electromagnetic compatibility (EMC)
       4.4 Provision for unusual service conditions
       4.5 Transport and storage conditions
    5 Tappings
    6 Connections
    7 Ability to withstand short circuit
    8 Rating
       8.1 General
       8.2 Rated power
       8.3 Preferred values of rated power
       8.4 Operation at higher than rated voltage
       8.5 Operation with fan cooling
       8.6 Operation in an enclosure
    9 Rating plate
       9.1 Rating plate fitted to the transformer
       9.2 Rating plate fitted to the transformer enclosure
    10 Identification according to cooling method
       10.1 Identification symbols
       10.2 Arrangement of symbols
    11 Temperature-rise limits
       11.1 Normal temperature-rise limits
       11.2 Reduced temperature rises for transformers designed
            for high cooling air temperatures or special air cooling
            conditions
       11.3 High altitude temperature rise correction
    12 Insulation levels
       12.1 General
       12.2 Transformers for use at high altitudes
    13 Climatic, environmental and fire behaviour classes
       13.1 Climatic classes
       13.2 Environmental classes
       13.3 Fire behaviour classes
       13.4 Test criteria for climatic, environmental and fire
            behaviour classes
    14 General requirements for tests
    15 Measurement of winding resistance (routine test)
    16 Measurement of voltage ratio and check of phase displacement
       (routine test)
    17 Measurement of short-circuit impedance and load loss
       (routine test)
    18 Measurement of no-load loss and current (routine test)
    19 Separate-source AC withstand voltage test (routine test)
    20 Induced AC withstand voltage test (routine test)
    21 Lightning impulse test (type test)
    22 Partial discharge measurement (routine and special test)
       22.1 General
       22.2 Basic measuring circuit (typical only)
       22.3 Calibration of the measuring circuit
       22.4 Voltage application
       22.5 Partial discharge acceptance levels
    23 Temperature-rise test (type test)
       23.1 General
       23.2 Methods of loading
       23.3 Winding temperature-rise correction for reduced current
       23.4 Determination of steady state conditions
    24 Measurement of sound level (special test)
    25 Short-circuit test (special test)
    26 Environmental test (special test)
       26.1 General
       26.2 Validity of the test
       26.3 Testing procedure
    27 Climatic test (special test)
       27.1 Thermal shock test (special test)
       27.2 Validity of the test
       27.3 Thermal shock test for C1 class transformers
       27.4 Thermal shock test for C2 class transformers
    28 Fire behaviour test (special test)
       28.1 General
       28.2 Checking of corrosive and harmful gases emission
       28.3 Fire behaviour test for F1 class transformer
       28.4 Quantities to be measured and measuring devices
       28.5 Calibration of the test chamber without test object
       28.6 Test method
       28.7 Test report
       28.8 Criteria for evaluating the test results
    29 Tolerances
    30 Protection against direct contact
    31 Degrees of protection provided by enclosures
    32 Earthing terminal
    33 Information required with enquiry and order
    Annex A (informative) Installation and safety of dry-type
                           transformers
    Annex ZA (normative) Normative references to international
                           publications with their corresponding
                           European publications
    Figures

    Abstract - (Show below) - (Hide below)

    Applies to dry-type power transformers (including auto-transformers) having values of highest voltage for equipment up to and including 36 kV and at least one winding operating at greater than 1,1 kV.

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

    Committee PEL/14
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

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

    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    EN 60076-5:2006 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT-CIRCUIT
    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
    EN 60270:2001/A1:2016 HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015)
    IEC 60085:2007 ELECTRICAL INSULATION - THERMAL EVALUATION AND DESIGNATION
    EN 60076-10:2016 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS (IEC 60076-10:2016)
    EN 61330:1996 HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATIONS
    IEC 61330:1995 High-voltage/low voltage prefabricated substations
    IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
    IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60076-1:2011 Power transformers - Part 1: General
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    IEC 60905:1987 LOADING GUIDE FOR DRY-TYPE POWER TRANSFORMERS
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
    EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEC 60332-3-10:2000+AMD1:2008 CSV TESTS ON ELECTRIC AND OPTICAL FIBRE CABLES UNDER FIRE CONDITIONS - PART 3-10: TEST FOR VERTICAL FLAME SPREAD OF VERTICALLY-MOUNTED BUNCHED WIRES OR CABLES - APPARATUS
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