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  • HD 464 : S1 AMD 5 2002

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    DRY-TYPE POWER TRANSFORMERS

    Available format(s): 

    Superseded date:  01-01-2003

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Harmonization Documents

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

    National foreword
    Foreword
    SECTION ONE - GENERAL
    1 Scope
    2 Service conditions
    3 Definitions
    4 Tappings
    5 Connections
    6 Ability to withstand short circuit
    SECTION TWO - RATING
    7 Rating
    8 Rating plates
    SECTION THREE - COOLING METHODS AND TEMPERATURE RISE
    9 Rating
    10 Temperature-rise limits
    SECTION FOUR - INSULATION LEVELS
    11 Insulation levels
    SECTION FIVE - TESTS
    12 General requirements for tests
    13 Measurement of winding resistance
    14 Measurement of voltage ratio and check of voltage
       vector relationship
    15 Measurement of impedance voltage (principle tapping)
       short-circuit impedance and load loss
    16 Measurement of no-load loss and current
    17 Separate-source voltage withstand test
    18 Induced overvoltage withstand test
    19 Lightning impulse test
    20 Partial discharge measurement
    21 Temperature-rise test
    22 measurement of sound level
    23 Short-circuit test
    24 Low temperature test
    25 Thermal shock test
    26 Tolerances
    SECTION SIX - ENCLOSURES AND SAFETY REQUIREMENTS
    27 Degrees of protection provided by enclosures
    28 Protection against direct contact
    29 Earthing terminal
    SECTION SEVEN - MISCELLANEOUS
    30 Electromagnetic compatibility (EMC)
    Appendix A Information required with enquiry and order
    Appendix B Environmental, climatic and fire behaviour classes
    Annex ZA (normative) Trial use guide for special tests to
             prove suitability to environmental classes
    Annex ZB (normative) Trial use guide for special tests to
             prove suitability to climatic classes
    Annex ZC (normative) Trial use guide for special tests to
             prove suitability to fire behaviour classes
    Annex ZD (informative) Installation and safety of a dry-type
             transformer
    Figures
    Tables

    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.

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

    Committee TC 14
    Document Type Standard
    Publisher Harmonization Documents
    Status Superseded

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

    BS EN 45510-2-7:2002 Guide for the procurement of power station equipment. Electrical equipment Switchgear and controlgear
    96/210845 DC : 0 PREN 50257 - GUIDE FOR THE USE AND FOR PARTICULAR DESIGN FEATURES FOR POWER TRANSFORMERS AND REACTORS WITH HIGHEST VOLTAGE FOR EQUIPMENT UM EXCEEDING 1 KV, PERMANENTLY INCORPORATED IN BUILDINGS
    DIN EN 45510-2-7:2003-12 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    HD 637 S1:1999/corrigendum:2005 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    HD 538.1 S1:1992/AC:2011 THREE-PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 2500 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 24 KV
    EN 60289:1994/A11:2002 REACTORS
    BS 7452:1991 Specification for separating transformers, autotransformers, variable transformers and reactors
    CEI UNI EN 45510-2-7 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    98/232755 DC : DRAFT DEC 1998 IEC 61936-1 - POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
    BS 7682:1993 Specification for stationary transformers in traction systems
    NF EN 60289 : 96 AMD 11 2002 REACTORS
    I.S. EN 60551:1993 DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
    VDE 0532-20 : 1994 REACTORS
    I.S. HD 538.1:1992 THREE-PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 2500 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 24 KV
    BS EN 50327:2003 Railway applications. Fixed installations. Harmonisation of the rated values for converter groups and tests on converter groups
    96/208116 DC : 0 PREN 50236 - ELECTROMAGNETIC COMPATIBILITY FOR POWER TRANSFORMERS
    BS EN 60289:1995 Reactors
    I.S. EN 45510-2-7:2002 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    NFC 52 115-2 : 1997 THREE-PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 2500 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 2: SUPPLEMENTARY REQUIREMENTS FOR TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT EQUAL TO 36 KV
    BS EN 60470:2001 High-voltage alternating current contactors and contactor-based motor starters
    UNI CEI EN 45510-2-7 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    BS EN 61330:1996 High-voltage/low-voltage prefabricated substations
    UNE-EN 50329:2004 Railway applications - Fixed installations - Traction transformers
    EN 45510-2-7:2002 Guide for procurement of power station equipment - Part 2-7: Electrical equipment - Switchgear and controlgear
    I.S. EN 50327:2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
    94/712993 DC : DRAFT NOV 1994 PREN 45511 - GUIDE FOR PROCUREMENT - ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
    I.S. HD 637:1999 POWER INSTALLATIONS EXCEEDING 1 KV A.C.
    EN 50327 : 2003 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
    EN 60551:1992/A1:1997 DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
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