• IEC 60076-1:2011

    Current The latest, up-to-date edition.

    Power transformers - Part 1: General

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, English - French, Spanish, Castilian

    Published date:  20-04-2011

    Publisher:  International Electrotechnical Committee

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Service conditions
    5 Rating and general requirements
    6 Requirements for transformers having a tapped winding
    7 Connection phase displacement symbols
    8 Rating plates
    9 Safety, environmental and other requirements
    10 Tolerances
    11 Tests
    12 Electromagnetic compatibility (EMC)
    13 High frequency switching transients
    Annex A (informative) - Check list of information to be
                            provided with enquiry and order
    Annex B (informative) - Examples of specifications for
                            transformers with tappings
    Annex C (informative) - Specification of short-circuit
                            impedance by boundaries
    Annex D (informative) - Examples of three-phase transformer
                            connections
    Annex E (normative) - Temperature correction of load loss
    Annex F (informative) - Facilities for future fitting of
                            condition monitoring systems to
                            transformers
    Annex G (informative) - Environmental and safety
                            considerations
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 60076-1:2011 applies to three-phase and single-phase power transformers (including auto-transformers) with the exception of certain categories of small and special transformers. For those categories of power transformers and reactors which have their own IEC standards, this part is applicable only to the extent in which it is specifically called up by cross-reference in the other standard. This new edition includes the following significant technical additions with respect to the previous one:
    - definition of harmonic content;
    - subclause on transport;
    - functional method of specification;
    - connection symbols for single phase transformers;
    - safety and environmental requirements;
    - requirements for liquid preservation systems;
    - clause on DC currents;
    - vacuum, pressure and leak tests on tanks;
    - facilities for condition monitoring and environmental and safety considerations.

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

    Committee TC 14
    Development Note Supersedes IEC 60076-4. (03/2001) Stability Date: 2019. (09/2017)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

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

    04/30111589 DC : 0
    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 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 IEC 60092-303 : 1980 ELECTRICAL INSTALLATION IN SHIPS - PART 303: EQUIPMENT - TRANSFORMERS FOR POWER AND LIGHTING
    BS IEC 60076-8 : 1997 POWER TRANSFORMERS - APPLICATION GUIDE
    BS EN 60947-4-1 : 2010 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
    FM 3990 : 2018 LESS OR NONFLAMMABLE LIQUID-INSULATED TRANSFORMERS
    BS EN 60076-11 : 2004 POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
    CEI EN 60076-13 : 2007 POWER TRANSFORMERS - PART 13: SELF PROTECTED LIQUID FILLED TRANSFORMERS
    15/30320260 DC : 0 BS EN 60076-7 ED 2.0 - POWER TRANSFORMERS - PART 7: LOADING GUIDE FOR LIQUID-IMMERSED POWER TRANSFORMERS
    NF EN 60076-19 : 2016 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    DEFSTAN 02-607/3(2013) : 2013 DESIGN OF HIGH VOLTAGE ELECTRICAL POWER SYSTEMS FOR HM SHIPS, SUBMARINES AND THE ROYAL FLEET AUXILIARY
    BS EN 60076-2 : 2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEC 61643-352:2018 Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
    BS IEC 60076-15 : 2015 POWER TRANSFORMERS - PART 15: GAS-FILLED POWER TRANSFORMERS
    NF EN 61116 : 2003 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
    BS EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    IEEE C57.12.70 : 2011 STANDARD TERMINAL MARKINGS AND CONNECTIONS FOR DISTRIBUTION AND POWER TRANSFORMERS
    CEI EN 61803 : 2011 DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS
    CEI EN 61968-11 : 2013 APPLICATION INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION
    16/30336914 DC : 0 BS EN 60076-57-129 ED 1.0 - CONVERTOR TRANSFORMERS - PART 57-129: TRANSFORMERS FOR HVDC APPLICATIONS
    DEFSTAN 02-607/2(2008) : 2008 DESIGN OF HIGH VOLTAGE ELECTRICAL POWER SYSTEMS FOR HM SHIPS, SUBMARINES AND THE ROYAL FLEET AUXILIARY
    BS EN 50588-1 : 2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    BS EN 50216-12 : 2011 POWER TRANSFORMER AND REACTOR FITTINGS - PART 12: FANS
    BS PD IEC TR 62655 : 2013 TUTORIAL AND APPLICATION GUIDE FOR HIGH-VOLTAGE FUSES
    BS EN 60076-5 : 2006 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT-CIRCUIT
    BS EN 61968-11 : 2013 APPLICATION INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION
    BS 5622-1:1979 (published 1979-01) Guide for insulation co-ordination Terms, definitions, principles and rules
    17/30331680 DC : 0 BS ISO 18095 - CONDITION MONITORING AND DIAGNOSTICS OF POWER TRANSFORMERS
    11/30251812 DC : 0 BS EN 61968-11 - APPLICATION INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION
    02/205931 DC : DRAFT MAY 2002 IEC 60214-2. ED.1 - TAP CHANGERS - PART 2: APPLICATION GUIDE
    13/30265253 DC : 0 BS EN 60214-1 ED 2 - TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS
    BS EN 60143-4 : 2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    15/30324519 DC : 0 BS EN ISO 14224 - PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR 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
    CEI CLC/TR 50462 : 2009 RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    CEI EN 60076-11 : 2006 POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
    I.S. HD 428.1:1992 THREE PHASE OIL-IMMERSED DISTRIBUTION TRANSFORMERS, 50 HZ, FROM 50 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
    I.S. EN 50532:2010 COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS)
    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
    UNE-EN 60137:2011 Insulated bushings for alternating voltages above 1 000 V
    17/30352690 DC : 0 BS IEC 61968-11 ED3.0 - INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION
    BS EN 60076-10:2016 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
    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 IEC/IEEE 65700 : 2018 BUSHINGS FOR DC APPLICATION (IEC/IEEE 65700-19-03:2014)
    11/30245197 DC : 0 BS EN 60143-2 - SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENTS FOR SERIES CAPACITOR BANKS
    CEI EN 61400-22 : 2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    07/30170365 DC : DRAFT AUG 2007 BS EN 60076-2 - POWER TRANSFORMERS - PART 2: TEMPERATURE-RISE FOR OIL-IMMERSED TRANSFORMERS
    I.S. EN 60726:2003 DRY-TYPE POWER TRANSFORMERS
    BS EN 50216-1 : 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    I.S. EN 60143-2:2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS (IEC 60143-2:2012 (EQV))
    CEI EN 60076-5 : 2007 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT CIRCUIT
    CEI EN 60076-3 : 2015 POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR
    BS 4571(1994) : 1994 ON-LOAD TAP-CHANGERS
    BS EN 61378-1 : 2011 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
    BS EN 60076-16:2011 (published 2011-11) Power transformers Transformers for wind turbines applications
    BS EN 60214 : 1998 ON-LOAD TAP-CHANGERS
    BS EN 60214-1 : 2014 TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS
    IEEE 1861 : 2014 GUIDE FOR ON-SITE ACCEPTANCE TESTS OF ELECTRICAL EQUIPMENT AND SYSTEM COMMISSIONING OF 1000 KV AC AND ABOVE
    BS 7806(1995) : 1995 DRY-TYPE POWER TRANSFORMERS
    I.S. EN 60076-13:2006 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    BS EN 60076-6 : 2008 POWER TRANSFORMERS - PART 6: REACTORS
    BS EN 50541-1 : 2011 THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    NF EN 61378-1 : 2014 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
    BS PD IEC TS 60076-20 : 2017 POWER TRANSFORMERS - PART 20: ENERGY EFFICIENCY
    BS EN 50216-7 : 2002 POWER TRANSFORMERS AND REACTOR FITTINGS - PART 7: ELECTRIC PUMPS FOR TRANSFORMER OIL
    BS EN 61378-2 : 2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    CEI EN 60310 : 2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    BS EN 60076-19:2015 (published 2016-01) Power transformers Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
    BS 4571(1978) : 1978 SPECIFICATION FOR ON LOAD TAP CHANGERS
    BS EN 61643-351 : 2017 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)
    BS EN 61248-1 : 1997 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 1: GENERIC SPECIFICATION
    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
    11/30253149 DC : 0 BS EN 60076-10 ED2 - POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
    15/30323449 DC : 0 BS EN 60076-16 ED 2.0 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINE APPLICATIONS
    CEI EN 50541-1 : 2011 THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    14/30271248 DC : 0 BS EN 60310 ED 4.0 - RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    CCS GUIDELINE E-07 : DEC 2017 TRANSFORMERS
    EN 61643-351 : 2017 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT) (IEC 61643-351:2016)
    17/30347294 DC : 0 BS EN 60076-22-1 - POWER TRANSFORMER AND REACTOR FITTINGS - PART 22-1: PROTECTIVE DEVICES
    UNE-EN 50541-1:2012 Three phase dry-type distribution transformers 50 Hz, from 100 kVA to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV - Part 1: General requirements
    UNE-EN 61378-1:2012 Convertor transformers -- Part 1: Transformers for industrial applications
    13/30281716 DC : 0 BS EN 50299-2 - OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT U[M] FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    BS EN 60726:2003 Dry-type power transformers
    14/30302848 DC : 0 BS EN 60076-57-1202 - POWER TRANSFORMERS - PART 57-1202: LIQUID IMMERSED PHASE-SHIFTING TRANSFORMERS
    BS EN 50327 : 2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
    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
    BS IEC 61378-3 : 2015 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    BS PD IEC TS 60076-19 : 2013 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    18/30368743 DC (published 2018-04) BS EN 60947-6-2. Low-voltage switchgear and controlgear Part 6-2. Multiple function equipment. Control and protective switching devices (or equipment) (CPS)
    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
    BS PD IEC TR 63042-100 : 2016 UHV AC TRANSMISSION SYSTEMS - PART 100: GENERAL INFORMATION
    BS IEC 61892-3:2012 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
    16/30349321 DC : 0 BS EN 60076-11 ED 2.0 - POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
    12/30267005 DC : 0 BS IEC 60076-19 TS ED.1 - POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    DIN VDE 0660-102 : 1992 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
    16/30318517 DC : 0 BS EN 60137 ED. 7.0 - INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    05/30133866 DC : DRAFT MAY 2005 IEC 60076-6 - POWER TRANSFORMERS - PART 6: REACTORS
    I.S. EN 50216-2:2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 2: GAS AND OIL ACTUATED RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR
    NF EN 60076-10 : 2017 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
    NBR IEC 61892-3 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENTS
    08/30178668 DC : DRAFT FEB 2008 BS EN 61378-1 - CONVERTER TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
    BS 4944(1994) : 1994 AMD 8405 REACTORS
    CLC/TR 50462 : 2008 RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    09/30206330 DC : 0 BS EN 61803:1999+A1 - DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS
    BS EN 60143-2 : 2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS
    I.S. EN 60143-4:2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    BS EN 60146-1-1 : 2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    04/30117440 DC : DRAFT JUL 2004 IEC 60076-13. ED.1 - POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID FILLED TRANSFORMERS
    NF EN 60289 : 96 AMD 11 2002 REACTORS
    IEEE 1031 : 2011 GUIDE FOR THE FUNCTIONAL SPECIFICATION OF TRANSMISSION STATIC VAR COMPENSATORS
    CEI EN 60076-16 : 2012 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS
    CEI EN 50216-7 : 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 7: ELECTRIC PUMPS FOR TRANSFORMER OIL
    CEI EN 61116 : 1996 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
    CSA E61558.1 : 2012 : INC : UPD 1 : 2014 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    C88-16 Power transformers and reactors
    CSA C22.2 NO. 60947-4-1:14 (R2019) Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters ( Bi-national standard, with UL 60947-4-1)
    BS EN IEC 61643-352:2018 (published 2018-04) Components for low-voltage surge protection Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs)
    IEC/IEEE 60076-57-129:2017 Power transformers - Part 57-129: Transformers for HVDC applications
    BS EN 60289 : 1995 REACTORS
    CEI EN 60143-2 : 2014 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS
    CSA E61558.1:2012 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    CAN/CSA-E61558-1:12 (R2017) Safety of power transformers, power supplies, reactors and similar products - Part 1: General requirements and tests (Adopted IEC 61558- 1:1997 + A1:1998, edition 2.1, 2009-04 with Canadian deviations) | Scurit des transformateurs, alimentations, bobines d\'inductance et produits analogues - Partie 1: Exigences gnrales et essais (norme CEI 61558-1:1997 + A1:1998 adopte, dition 2.1, 2009-04 avec exigences propres au Canada)
    CEI 14-41 : 2011 TAP-CHANGERS - PART 2: APPLICATION GUIDE
    NF EN 61558-1 : 2006 AMD 1 2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 60092-303:1980 ELECTRICAL INSTALLATION IN SHIPS - PART 303: EQUIPMENT - TRANSFORMERS FOR POWER AND LIGHTING
    BS EN 60310 : 2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016)
    BS EN 60076-3 : 2013 POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR
    API 689 : 2007 COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT
    EN 50588-1 : 2017 MEDIUM POWER TRANSFORMERS 50 HZ, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    I.S. EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    EN IEC 62933-2-1 : 2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION (IEC 62933-2-1:2017)
    BS EN 60137 : 2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    CEI EN 61378-2 : 2002 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    I.S. EN 60076-11:2004 POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
    I.S. EN 60076-16:2011 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011)
    I.S. EN 60551:1993 DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
    I.S. EN IEC 62933-2-1:2018 ELECTRICAL ENERGY STORAGE (EES) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION
    IEEE C57.135 : 2011 GUIDE FOR THE APPLICATION, SPECIFICATION, AND TESTING OF PHASE-SHIFTING TRANSFORMERS
    I.S. EN 61968-11:2013 APPLICATION INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION (IEC 61968-11:2013 (EQV))
    EN IEC 61643-352 : 2018 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTION AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SITS) (IEC 61643-352:2018)
    I.S. EN 15869-3:2010 INLAND NAVIGATION VESSELS - ELECTRICAL SHORE CONNECTION, THREE PHASE CURRENT 400 V, UP TO 63 A, 50 HZ - PART 3: ON-BOARD UNIT, SAFETY REQUIREMENTS
    I.S. EN IEC 61643-352:2018 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTION - PART 352: SELECTI AND APPLICATION PRINCIPLES FOR TELECOMMUNICATIONS AND SIGNALLIN NETWORK SURGE ISOLATION TRANSFORMERS (SITS)
    CEI EN 50216-1 : 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    I.S. EN 62271-202:2014 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION
    I.S. EN 60076-5:2006 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT-CIRCUIT
    I.S. EN 60137:2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    I.S. EN 62271-212:2017 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS)
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    UNE-EN 60076-10:2017 Power transformers - Part 10: Determination of sound levels
    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 60947-4-1:2010 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS (IEC 60947-4-1:2009 (EQV))
    I.S. EN 50329:2007 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
    I.S. EN 50216-1:2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    I.S. EN 61643-351:2017 COMPONENTS FOR LOW-VOLTAGE SURGE PROTECTIVE DEVICES - PART 351: PERFORMANCE REQUIREMENTS AND TEST METHODS FOR TELECOMMUNICATIONS AND SIGNALLING NETWORK SURGE ISOLATION TRANSFORMERS (SIT)
    I.S. EN IEC/IEEE 65700:2018 BUSHINGS FOR DC APPLICATION
    I.S. EN 61378-1:2011 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS (IEC 61378-1:2011)
    CEI EN 60137 : 2009 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    UNE-EN 60214-1:2015 Tap-changers - Part 1: Performance requirements and test methods
    UNI EN 15869-3 : 2010 INLAND NAVIGATION VESSELS - ELECTRICAL SHORE CONNECTION, THREE-PHASE CURRENT 400 V, UP TO 63 A, 50 HZ - PART 3: ON-BOARD UNIT, SAFETY REQUIREMENTS
    BS EN 15869-3:2010 INLAND NAVIGATION VESSELS - ELECTRICAL SHORE CONNECTION, THREE PHASE CURRENT 400 V, UP TO 63 A, 50 HZ - PART 3: ON-BOARD UNIT, SAFETY REQUIREMENTS
    IEC 60076-7:2018 Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers
    CEI EN 60076-10 : 2002 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
    I.S. EN 61248-1:1998 TRANSFORMERS AND INDUCTORS FOR USE IN ELECTRONIC AND TELECOMMUNICATION EQUIPMENT - PART 1: GENERIC SPECIFICATION
    NBR ISO 14224 : 2011 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT
    I.S. EN 50541-1:2011 THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
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    NF EN 61803 : 2000 AMD 2 2017 DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS WITH LINE-COMMUTATED CONVERTERS
    NF EN 60076-6 : 2008 POWER TRANSFORMERS - PART 6: REACTORS
    IEC 61378-3:2015 Converter transformers - Part 3: Application guide
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    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
    BIS IS/IEC 60947-4-1 : 2000 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4: CONTACTORS AND MOTOR-STARTERS - SECTION 1: ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
    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 60143-4 : 2012 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    BIS IS 14786 : 2000(R2015) HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATIONS
    EN 60137 : 2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V (IEC 60137:2017)
    NF EN 60076-13 : 2007 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED 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
    IEC TR 62655:2013 Tutorial and application guide for high-voltage fuses
    UNE-EN 60076-19:2016 Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
    I.S. EN 60146-1-1:2010 SEMICONDUCTOR CONVERTERS - GENERAL REQUIREMENTS AND LINE COMMUTATED CONVERTERS - PART 1-1: SPECIFICATION OF BASIC REQUIREMENTS
    IEC 61643-351:2016 Components for low-voltage surge protective devices - Part 351: Performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
    I.S. EN 61803:1999 DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS WITH LINE COMMUTATED CONVERTERS
    09/30211604 DC : 0 BS EN 50541-1 - THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS AND REQUIREMENTS FOR DRY TYPE TRANSFORMERS WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV
    BS EN 50216-2:2002 (published 2003-11) Power transformers and reactor fittings Gas and oil actuated relay for liquid immersed transformers and reactors with conservator
    BS EN 60076-13 : 2006 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    BS EN 61803 : 1999 DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS WITH LINE-COMMUTATED CONVERTERS (IEC 61803:1999)
    ISO 18095:2018 Condition monitoring and diagnostics of power transformers
    I.S. EN 60310:2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    I.S. EN 60076-19:2015 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    IEC 62695:2014 Railway applications - Fixed installations - Traction transformers
    DIN EN 15869-3:2010-06 INLAND NAVIGATION VESSELS - ELECTRICAL SHORE CONNECTION, THREE PHASE CURRENT 400 V, UP TO 63 A, 50 HZ - PART 3: ON-BOARD UNIT, SAFETY REQUIREMENTS
    CEI 14-42 : 2011 CONVERTER TRANSFORMERS - PART 3: APPLICATION GUIDE
    CEI EN 61378-1 : 2012 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
    I.S. EN 60076-3:2013 POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR
    CEI EN 60076-2 : 2015 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    IEC 60214-2:2004 Tap-changers - Part 2: Application guide
    I.S. EN 60076-6:2008 POWER TRANSFORMERS - PART 6: REACTORS
    I.S. EN 50216-12:2011 POWER TRANSFORMER AND REACTOR FITTINGS - PART 12: FANS
    I.S. EN 61116:1995 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
    I.S. EN 60214-1:2014 TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS
    I.S. EN 61400-22:2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION
    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
    S.R. CLC/TR 50462:2008 RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
    IEC TS 60076-19:2013 Power transformers - Part 19: Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEC 61892-3:2012 Mobile and fixed offshore units - Electrical installations - Part 3: Equipment
    I.S. EN 61558-1:2006 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 61558-1 REDLINE : 3ED 2017 SAFETY OF TRANSFORMERS, REACTORS, POWER SUPPLY UNITS AND COMBINATIONS THEREOF - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 60076-15:2015 Power transformers - Part 15: Gas-filled power transformers
    IEC TR 63042-100:2016 UHV AC transmission systems - Part 100: General information
    IEC 61558-1:2017 Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
    IEC 60947-4-1:2009+AMD1:2012 CSV LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS
    IEC 60076-12:2008 Power transformers - Part 12: Loading guide for dry-type power transformers
    IEC 62032:2012 Guide for the Application, Specification and Testing of Phase-Shifting Transformers
    I.S. EN 60076-10:2016 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS
    IEC 60076-3:2013+AMD1:2018 CSV POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR
    IEC 62933-2-1:2017 Electrical energy storage (EES) systems - Part 2-1: Unit parameters and testing methods - General specification
    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
    EN 61803:1999/A2:2016 DETERMINATION OF POWER LOSSES IN HIGH-VOLTAGE DIRECT CURRENT (HVDC) CONVERTER STATIONS WITH LINE COMMUTATED CONVERTERS (IEC 61803:1999/A2:2016)
    UNE-EN 50216-12:2011 Power transformer and reactor fittings -- Part 12: Fans
    15/30297998 DC : 0 BS EN 62271-212 ED 1.0 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS)
    UNE-EN 62271-212:2017 High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
    BS EN 61558-1 : 2005 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 61400-22:2010 Wind turbines - Part 22: Conformity testing and certification
    IEC 60076-16:2011 Power transformers - Part 16: Transformers for wind turbine applications
    BS EN 62271-212:2017 (published 2017-01) High-voltage switchgear and controlgear Compact Equipment Assembly for Distribution Substation (CEADS)
    IEC 61116:1992 Electromechanical equipment guide for small hydroelectric installations
    IEC 61378-2:2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    UNE-EN 62271-202:2015 High-voltage switchgear and controlgear - Part 202: High-voltage/low-voltage prefabricated substation
    IEC 60143-4:2010 Series capacitors for power systems - Part 4: Thyristor controlled series capacitors
    IEC 60076-13:2006 Power transformers - Part 13: Self-protected liquid-filled transformers
    UNE-EN 60947-4-1:2011 Low-voltage switchgear and controlgear - Part 4-1: Contactors and motor-starters - Electromechanical contactors and motor-starters
    17/30354643 DC : 0 BS EN 62933-2-1 - ELECTRIC ENERGY STORAGE (ESS) SYSTEMS - PART 2-1: UNIT PARAMETERS AND TESTING METHODS - GENERAL SPECIFICATION
    11/30253145 DC : 0 BS EN 62271-202 ED2 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION
    02/714212 DC : DRAFT DEC 2002 IEC 62271-202 ED.1 - HIGH VOLTAGE/LOW VOLTAGE PREFABRICATED SUBSTATIONS
    IEC 61968-11:2013 Application integration at electric utilities - System interfaces for distribution management - Part 11: Common information model (CIM) extensions for distribution
    BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment
    BS EN 62271-202:2014 High-voltage switchgear and controlgear High-voltage/low-voltage prefabricated substation
    IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
    BS EN 50532 : 2010 COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS)
    EN 61400-22 : 2011 WIND TURBINES - PART 22: CONFORMITY TESTING AND CERTIFICATION (IEC 61400-22:2010)
    IEC 60076-6:2007 Power transformers - Part 6: Reactors
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 61076-4-102:1997 Connectors with assessed quality for use in d.c., low-frequencyanalogue and in digital high speed data applications - Part 4:Printed board connectors - Section 102: Detail specification fortwo-part single-pole connectors, for multiple uses on plug-inunits, with pre-centring, coding and early mating features, havinga metric grid in accordance with IEC 60917
    IEC 61330:1995 High-voltage/low voltage prefabricated substations
    IEC 60146-1-1:2009 Semiconductor converters - General requirements and line commutated converters - Part 1-1: Specification of basic requirements
    IEC 61803:1999+AMD1:2010+AMD2:2016 CSV Determination of power losses in high-voltage direct current (HVDC)converter stations with line-commutated converters
    15/30328159 DC : 0 BS EN 61558-1 - SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    IEC 60143-2:2012 Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks
    IEC 62271-212:2016 High-voltage switchgear and controlgear - Part 212: Compact Equipment Assembly for Distribution Substation (CEADS)
    IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    IEC 62271-202:2014 High-voltage switchgear and controlgear - Part 202: High-voltage/ low-voltage prefabricated substation
    09/30202403 DC : 0 BS EN 50532 - COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATIONS (CEADS)
    IEC 60076-10:2016 Power transformers - Part 10: Determination of sound levels
    UNE-EN 50532:2011 Compact Equipment Assembly for Distribution Substations (CEADS)
    IEC 60310:2016 Railway applications - Traction transformers and inductors on board rolling stock
    IEC 60214-1:2014 Tap-changers - Part 1: Performance requirements and test methods
    UNE-EN 60076-2:2013 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    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
    ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
    UNE-EN 61400-22:2011 Wind turbines -- Part 22: Conformity testing and certification
    I.S. EN ISO 14224:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016)
    IEC 60137:2017 RLV Insulated bushings for alternating voltages above 1000 V
    EN 50216-12 : 2011 POWER TRANSFORMER AND REACTOR FITTINGS - PART 12: FANS
    EN 50216-2 : 2002 AMD 1 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 2: GAS AND OIL ACTUATED RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR
    EN 50216-1 : 2002 POWER TRANSFORMER AND REACTOR FITTINGS - PART 1: GENERAL
    EN 60076-2 : 2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    EN 61558-1:2005/A1:2009 SAFETY OF POWER TRANSFORMERS, POWER SUPPLIES, REACTORS AND SIMILAR PRODUCTS - PART 1: GENERAL REQUIREMENTS AND TESTS
    EN 60214 : 1997 ON-LOAD TAP-CHANGERS
    EN 60076-11 : 2004 POWER TRANSFORMERS - PART 11: DRY-TYPE TRANSFORMERS
    EN 61968-11 : 2013 APPLICATION INTEGRATION AT ELECTRIC UTILITIES - SYSTEM INTERFACES FOR DISTRIBUTION MANAGEMENT - PART 11: COMMON INFORMATION MODEL (CIM) EXTENSIONS FOR DISTRIBUTION (IEC 61968-11:2013)
    EN 50541-1 : 2011 THREE PHASE DRY-TYPE DISTRIBUTION TRANSFORMERS 50 HZ, FROM 100 KVA TO 3150 KVA, WITH HIGHEST VOLTAGE FOR EQUIPMENT NOT EXCEEDING 36 KV - PART 1: GENERAL REQUIREMENTS
    EN 62271-212 : 2017 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 212: COMPACT EQUIPMENT ASSEMBLY FOR DISTRIBUTION SUBSTATION (CEADS)
    EN 60947-4-1 : 2010 AMD 1 2012 LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 4-1: CONTACTORS AND MOTOR-STARTERS - ELECTROMECHANICAL CONTACTORS AND MOTOR-STARTERS (IEC 60947-4-1:2009/A1:2012)
    EN 62271-202:2014/AC:2014 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 202: HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATION (IEC 62271-202:2014)
    EN 61378-1 : 2011 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS (IEC 61378-1:2011)
    EN 60289:1994/A11:2002 REACTORS
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    EN 50327 : 2003 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
    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
    EN 60076-13 : 2006 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    EN 60076-10 : 2016 POWER TRANSFORMERS - PART 10: DETERMINATION OF SOUND LEVELS (IEC 60076-10:2016)
    EN 60076-19 : 2015 POWER TRANSFORMERS - PART 19: RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS (IEC/TS 60076-19:2013, MODIFIED)
    EN 61248-1 : 1997 Transformers and inductors for use in electronic and telecommunication equipment - Part 1: Generic specification
    EN 61330:1996 HIGH-VOLTAGE/LOW-VOLTAGE PREFABRICATED SUBSTATIONS
    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 60143-4 : 2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    EN 60143-2 : 2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS (IEC 60143-2:2012)
    EN 60551:1992/A1:1997 DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
    EN 60076-5 : 2006 POWER TRANSFORMERS - PART 5: ABILITY TO WITHSTAND SHORT-CIRCUIT
    EN 60214-1 : 2014 TAP-CHANGERS - PART 1: PERFORMANCE REQUIREMENTS AND TEST METHODS (IEC 60214-1:2014)
    EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    DIN EN 61558-2-17 : 1998 SAFETY OF POWER TRANSFORMERS, POWER SUPPLY UNITS AND SIMILAR - PART 2-17: PARTICULAR REQUIREMENTS FOR TRANSFORMERS FOR SWITCH MODE POWER SUPPLIES
    EN 60310:2016/AC:2018-03 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016/COR1:2018)
    CEI 18-58 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
    EN 60076-3:2013/A1:2018 POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR (IEC 60076-3:2013/A1:2018)
    EN 61116 : 1994 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
    EN 60076-16 : 2011 POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATIONS (IEC 60076-16:2011)
    EN 15869-3 : 2010 INLAND NAVIGATION VESSELS - ELECTRICAL SHORE CONNECTION, THREE PHASE CURRENT 400 V, UP TO 63 A, 50 HZ - PART 3: ON-BOARD UNIT, SAFETY REQUIREMENTS

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    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
    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
    ISO 3:1973 Preferred numbers Series of preferred numbers
    IEEE C57.12.00 : 2015 STANDARD FOR GENERAL REQUIREMENTS FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS
    IEC 60068-3-3:1991 Environmental testing - Part 3-3: Guidance - Seismic test methods for equipments
    IEC 60076-4:1976 POWER TRANSFORMERS - PART 4: GUIDE TO THE LIGHTNING IMPULSE AND SWITCHING IMPULSE TESTING - POWER TRANSFORMERS AND REACTORS
    IEC 60076-8:1997 Power transformers - Part 8: Application guide
    IEEE C57.12.90 : 2010 LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS
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    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 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
    IEC 60076-6:2007 Power transformers - Part 6: Reactors
    IEC 62032:2012 Guide for the Application, Specification and Testing of Phase-Shifting Transformers
    ISO 14001:2015 Environmental management systems Requirements with guidance for use
    IEC 62262:2002 Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
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    ISO 2178:2016 Non-magnetic coatings on magnetic substrates Measurement of coating thickness Magnetic method
    IEC 61378-2:2001 CONVERTOR TRANSFORMERS - PART 2: TRANSFORMERS FOR HVDC APPLICATIONS
    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
    IEC 60076-13:2006 Power transformers - Part 13: Self-protected liquid-filled transformers
    ISO 2409:2013 Paints and varnishes Cross-cut test
    IEC 60076-10-1:2016 Power transformers - Part 10-1: Determination of sound levels - Application guide
    IEC 60076-16:2011 Power transformers - Part 16: Transformers for wind turbine applications
    IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
    IEC 60214-1:2014 Tap-changers - Part 1: Performance requirements and test methods
    IEC 60310:2016 Railway applications - Traction transformers and inductors on board rolling stock
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