• IEC 61378-1:2011

    Current The latest, up-to-date edition.

    Converter transformers - Part 1: Transformers for industrial applications

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    Language(s): 

    Published date:  26-07-2011

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms, definitions and acronyms
    4 Classification
    5 Ratings
    6 Load loss and voltage drop in transformers and reactors
    7 Tests for converter transformers
    8 On load noise level with transductors and/or IPT
    Annex A (informative) - Determination of transformer
            service load loss at rated non-sinusoidal converter
            current from measurements with rated transformer
            current of fundamental frequency
    Annex B (informative) - Short-circuit test currents and
            load losses in transformers for single-way converters
            (total loss injection)
    Annex C (informative) - Current sharing measurement
            in high current valve windings
    Annex D (informative) - Examples of duty cycles
    Annex E (informative) - Guidelines for design review
    Annex F (informative) - Determination of loss in
            transformer tank due to magnetic field 3D simulation
            and guidelines for tank losses evaluation and tank
            hotspot calculation
    Annex G (informative) - Short-circuit measurements of
            rectifier transformers equipped with built in
            transductors
    Annex H (informative) - Determination of the transformer
            voltage ratio and phase displacement by the turn ratio
            measurements
    Annex I (informative) - Phase displacement connections
            and terminal indications of converter transformers
    Annex J (normative) - Correlation between IEC 61378-1
            and IEC 60146-1-1 ratings
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 61378-1:2011 deals with the specification, design and testing of power transformers and reactors which are intended for integration within semiconductor converter plants. The scope of this International Standard is limited to application of power converters of any power rating. Typical applications are:
    - thyristor rectifiers for electrolysis;
    - diode rectifiers for electrolysis;
    - thyristor rectifiers for large drives;
    - thyristor rectifiers for scrap melting furnaces, and
    - diode rectifiers feeding inverters for variable speed drives. The standard also covers the regulating unit utilized in such application as step down regulating transformers or autotransformers. This edition includes the following significant technical changes with respect to the previous edition:
    - addition of winding connections with phase displacement (30°);
    - addition of transformers with more than one active part in the same tank;
    - change of reference power definition;
    - addition of regulating transformer feeding converter transformer;
    - addition of considerations about current sharing and hot spot temperature in high current windings for various winding arrangements;
    - addition of transductors used for d.c. voltage regulation together with diode rectifiers. The contents of the corrigendum of January 2012 have been included in this copy.

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

    Committee TC 14
    Development Note Stability Date: 2017. A Bilingual edition has been published on 17/07/2014. (07/2014)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

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

    DD IEC TS 60076-14 : DRAFT 2009 POWER TRANSFORMERS - PART 14: DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    BS IEC 60076-8 : 1997 POWER TRANSFORMERS - APPLICATION GUIDE
    NBR 5356-8 : 2017 POWER TRANSFORMERS - PART 8: APPLICATION GUIDE
    BS IEC 60076-15 : 2015 POWER TRANSFORMERS - PART 15: GAS-FILLED POWER TRANSFORMERS
    02/211941 DC : 0 IEC 60076-14 ED.1 - GUIDE FOR THE DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    16/30336914 DC : 0 BS EN 60076-57-129 ED 1.0 - CONVERTOR TRANSFORMERS - PART 57-129: TRANSFORMERS FOR HVDC APPLICATIONS
    BS EN 50588-1 : 2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    BS IEC 61892-3:2012 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
    BS EN 50329 : 2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    09/30187488 DC : DRAFT AUG 2009 BS EN 60076-16 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATION
    CEI EN 60076-14 : 2014 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    10/30232718 DC : 0 BS EN 60076-3 - POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR
    13/30295873 DC : DRAFT DEC 2013 BS EN 60076-20 - POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY
    BS EN 61800-4 : 2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A.C. POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    BS EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    13/30256030 DC : 0 BS IEC 62695 ED 1.0 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    EN 61800-2:2015 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 2: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED A.C. POWER DRIVE SYSTEMS (IEC 61800-2:2015)
    13/30278886 DC : 0 BS EN 60092-501 - ELECTRICAL INSTALLATIONS IN SHIPS - PART 501: SPECIAL FEATURES - ELECTRIC PROPULSION PLANT
    BS EN 60076-16:2011 (published 2011-11) Power transformers Transformers for wind turbines applications
    BS EN 60076-6 : 2008 POWER TRANSFORMERS - PART 6: REACTORS
    BS PD IEC TS 60076-20 : 2017 POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY
    BS EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    06/30156472 DC : DRAFT SEP 2006 BS EN 60146-1-1 - SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    UNE-EN 60076-16:2012 Power transformers - Part 16: Transformers for wind turbines applications
    BS EN 60076-1 : 2011 POWER TRANSFORMERS - PART 1: GENERAL
    I.S. EN 50588-1:2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    15/30323449 DC : 0 BS EN 60076-16 ED 2.0 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINE APPLICATIONS
    14/30271248 DC : 0 BS EN 60310 ED 4.0 - RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    13/30248785 DC : 0 BS EN 61800-2 - ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 2: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE FREQUENCY A.C. POWER DRIVE SYSTEMS
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    BS IEC 61378-3 : 2015 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    IEC PAS 60092-510:2009 Electrical installations in ships - Part 510: Special features - High-voltage shore connection systems
    BS IEC/IEEE 65700-19-03 : 2014 BUSHINGS FOR DC APPLICATION
    12/30263868 DC : 0 BS EN 60076-14 - POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    CEI 14-4/8 : 2001 POWER TRANSFORMERS - APPLICATION GUIDE
    11/30247685 DC : 0 BS EN 65700-19-03 - BUSHINGS FOR DC APPLICATION
    05/30133866 DC : DRAFT MAY 2005 IEC 60076-6 - POWER TRANSFORMERS - PART 6: REACTORS
    NBR IEC 61892-3 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENTS
    09/30196635 DC : 0 BS EN 60092-510 - ELECTRICAL INSTALLATIONS IN SHIPS - SPECIAL FEATURES - HIGH VOLTAGE SHORE CONNECTION SYSTEMS (HVSC-SYSTEMS)
    BS EN 60146-1-1 : 2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    I.S. EN 60310:2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    CEI EN 60076-16 : 2012 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS
    BS PD IEC TR 60146-1-2 : 2011 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-2: APPLICATION GUIDE
    IEC/IEEE 60076-57-129:2017 Power transformers - Part 57-129: Transformers for HVDC applications
    IEC 62695:2014 Railway applications - Fixed installations - Traction transformers
    I.S. EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    BS EN 60310 : 2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016)
    EN 50588-1:2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    BS IEC 60092-501:2013 (published 2013-10) Electrical installations in ships Special features. Electric propulsion plant
    CEI EN 61378-2 : 2002 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    I.S. EN 60076-16:2011 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011)
    IEC 60092-501:2013 Electrical installations in ships - Part 501: Special features - Electric propulsion plant
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    CEI 14-47 : 2012 POWER TRANSFORMERS - LOADING GUIDE FOR DRY-TYPE POWER TRANSFORMERS
    NF EN 60310 : 2017 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    I.S. EN 50329:2007 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    BS IEC 61892-5:2014 Mobile and fixed offshore units. Electrical installations Mobile units
    CEI EN 60076-1 : 2015 POWER TRANSFORMERS - PART 1: GENERAL
    IEC 61892-5:2014 Mobile and fixed offshore units - Electrical installations - Part 5: Mobile units
    NBR 5356-11 : 2016 ERRATA 1 2016 POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS - SPECIFICATION
    NF EN 60076-16 : 2012 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATION
    UNE-IEC 60076-12:2010 Power transformers - Part 12: Loading guide for dry-type power transformers
    CEI EN 60146-1-1 : 2013 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    CEI EN 60076-6 : 2015 POWER TRANSFORMERS - PART 6: REACTORS
    NF EN 50329 : 2005 AMD 1 2011 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    CEI EN 61800-4 : 2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A/C/ POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    NBR IEC 61892-5 : 2017 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 5: MOBILE UNITS
    I.S. EN 60146-1-1:2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    BS EN 61800-2:2015 (published 2015-10) Adjustable speed electrical power drive systems General requirements. Rating specifications for low voltage adjustable speed a.c. power drive systems
    CEI 14-42 : 2011 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    IEC 61378-3:2015 Converter transformers - Part 3: Application guide
    I.S. EN 61800-4:2003 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 4: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR A.C. POWER DRIVE SYSTEMS ABOVE 1000 V A.C. AND NOT EXCEEDING 35 KV
    I.S. EN 60076-6:2008 POWER TRANSFORMERS - PART 6: REACTORS
    I.S. EN 61800-2:2015 ADJUSTABLE SPEED ELECTRICAL POWER DRIVE SYSTEMS - PART 2: GENERAL REQUIREMENTS - RATING SPECIFICATIONS FOR LOW VOLTAGE ADJUSTABLE SPEED A.C. POWER DRIVE SYSTEMS
    IEC TR 60146-1-2:2011 Semiconductor converters - General requirements and line commutated converters - Part 1-2: Application guide
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 60076-15:2015 Power transformers - Part 15: Gas-filled power transformers
    IEC 60076-12:2008 Power transformers - Part 12: Loading guide for dry-type power transformers
    IEC 61892-3:2012 Mobile and fixed offshore units - Electrical installations - Part 3: Equipment
    IEC 61800-2:2015 Adjustable speed electrical power drive systems - Part 2: General requirements - Rating specifications for low voltage adjustable speed a.c. power drive systems
    IEC/IEEE 65700-19-03:2014 Bushings for DC application
    IEC TS 60076-14:2009 Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials
    IEEE C57.110 : 2008 ESTABLISHING LIQUID-FILLED AND DRY-TYPE POWER AND DISTRIBUTION TRANSFORMER CAPABILITY WHEN SUPPLYING NONSINUSOIDAL LOAD CURRENTS
    13/30294120 DC : 0 BS IEC 61892-5 ED 3.0 - MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 5: MOBILE UNITS
    IEC 60076-16:2011 Power transformers - Part 16: Transformers for wind turbine applications
    IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
    UNE-EN 60076-1:2013 Power transformers - Part 1: General
    IEC 60076-6:2007 Power transformers - Part 6: Reactors
    IEC 60146-1-1:2009 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60310:2016 Railway applications - Traction transformers and inductors on board rolling stock
    10/30230568 DC : 0 BS EN 61892-3 - MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
    IEC 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    IEC 61800-4:2002 Adjustable speed electrical power drive systems - Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV
    EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    EN 50329:2003/A1:2010 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    EN 60076-6 : 2008 POWER TRANSFORMERS - PART 6: REACTORS
    CEI 18-62 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 5: MOBILE UNITS
    EN 60146-1-1:2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    EN 61800-4 : 2003 Adjustable speed electrical power drive systems - Part 4: General requirements - Rating specifications for a.c. power drive systems above 1 000 V a.c. and not exceeding 35 kV
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    EN 60310:2016/AC:2018-03 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016/COR1:2018)
    EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    CEI 18-58 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
    EN 60076-16 : 2011 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011)

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

    IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
    IEC 60146-1-3:1991 Semiconductor convertors - General requirements and line commutated convertors - Part 1-3: Transformers and reactors
    IEC TR 60616:1978 Terminal and tapping markings for power transformers
    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 60050-551:1998 International Electrotechnical Vocabulary (IEV) - Part 551: Power electronics
    IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 60076-12:2008 Power transformers - Part 12: Loading guide for dry-type power transformers
    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 60050-421:1990 International Electrotechnical Vocabulary (IEV) - Part 421: Power transformers and reactors
    IEC TR 60146-1-2:2011 Semiconductor converters - General requirements and line commutated converters - Part 1-2: Application guide
    IEC 60076-1:2011 Power transformers - Part 1: General
    IEC 60076-6:2007 Power transformers - Part 6: Reactors
    IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
    IEC 61378-3:2015 Converter transformers - Part 3: Application guide
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC TS 60076-14:2009 Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials
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