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IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Instrument transformers - Part 1: Current transformers
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

18-09-2012

Language(s)

English - French, English, French

Published date

13-02-2003

FOREWORD
1 General
   1.1 Scope
   1.2 Normative references
2 Definitions
   2.1 General definitions
   2.2 Additional definitions for measuring current
        transformers
   2.3 Additional definitions for protective current
        transformers
3 Normal and special service conditions
   3.1 Normal service conditions
   3.2 Special service conditions
   3.3 System earthing
4 Ratings
   4.1 Standard values of rated primary currents
   4.2 Standard values of rated secondary currents
   4.3 Rated continuous thermal current
   4.4 Standard values of rated output
   4.5 Short-time current ratings
   4.6 Limits of temperature rise
5 Design requirements
   5.1 Insulation requirements
   5.2 Mechanical requirements
6 Classification of tests
   6.1 Type tests
   6.2 Routine tests
   6.3 Special tests
7 Type tests
   7.1 Short-time current tests
   7.2 Temperature-rise test
   7.3 Impulse tests on primary winding
   7.4 Wet test for outdoor type transformers
   7.5 Radio interference voltage measurement
8 Routine tests
   8.1 Verification of terminal markings
   8.2 Power-frequency withstand tests on primary
        windings and partial discharge measurement
   8.3 Power-frequency withstand tests between sections
        of primary and secondary windings and on secondary
        windings
   8.4 Inter-turn overvoltage test
9 Special tests
   9.1 Chopped impulse test on primary winding
   9.2 Measurement of capacitance and dielectric
        dissipation factor
   9.3 Mechanical tests
   9.4 Transmitted overvoltages measurement
10 Markings
   10.1 Terminal markings - General rules
   10.2 Rating plate markings
11 Additional requirements for measuring current
   transformers
   11.1 Accuracy class designation for measuring current
        transformers
   11.2 Limits of current error and phase displacement
        for measuring current transformers
   11.3 Extended current ratings
   11.4 Type tests for accuracy of measuring current
        transformers
   11.5 Routine tests for accuracy of measuring current
        transformers
   11.6 Instrument security current
   11.7 Marking of the rating plate of a measuring
        current transformer
12 Additional requirements for protective current
   transformers
   12.1 Standard accuracy limit factors
   12.2 Accuracy classes for protective current transformer
   12.3 Limits of errors for protective current transformers
   12.4 Type and routine tests for current error and
        phase displacement of protective current transformers
   12.5 Type tests for composite error
   12.6 Routine tests for composite error
   12.7 Marking of the rating plate of a protective
        current transformer
13 Additional requirements for class PR protective current
   transformers
   13.1 Standard accuracy limit factors
   13.2 Accuracy classes for class PR protective current
        transformers
   13.3 Limits of error for class PR protective current
        transformers
   13.4 Type and routine tests for current error and
        phase displacement of class PR protective current
        transformers
   13.5 Marking of rating plate of class PR current
        transformers
14 Additional requirements for class PX protective current
   transformers
   14.1 Specification of performance for class PX
        protective current transformers
   14.2 Insulation requirements for class PX protective
        current transformers
   14.3 Type tests for class PX protective current
        transformers
   14.4 Routine tests for class PX protective current
        transformers
   14.5 Marking of rating plate of class PX current
        transformers
Annex A (normative) - Protective current transformers
Annex B (informative) - Multiple chopped impulse test
Figures
Tables

Applies to newly manufactured current transformers for use withelectrical measuring instruments and electrical protective devicesat frequencies from 15 Hz to 100 Hz. Applies basically totransformers with separate windings, but also to autotransformers.This consolidated version consists of the first edition (1996),its amendment 1 (2000) and its amendment 2 (2002). Therefore, no need to order amendments in addition to this publication.

Committee
TC 38
DevelopmentNote
Supersedes IEC 60185 (03/2001) Also numbered as BS EN 60044-1 (06/2001)
DocumentType
Standard
Pages
111
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy

BS EN 50152-1 : 2012 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 1: CIRCUIT-BREAKERS WITH NOMINAL VOLTAGE ABOVE 1 KV
EN 61000-4-30:2015/AC:2017-01 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS (IEC 61000-4-30:2015/COR1:2016)
UNE-EN 62271-205:2011 High-voltage switchgear and controlgear -- Part 205: Compact switchgear assemblies for operation at rated voltages above 52 kV
BS EN 60255-1:2010 Measuring relays and protection equipment Common requirements
BS 8431:2010 Electrical static meters for secondary metering and sub-metering. Specification
CLC/TR 60919-2 : 2010 PERFORMANCE OF HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS WITH LINE-COMMUTATED CONVERTERS - PART 2: FAULTS AND SWITCHING
UNE-EN 61000-4-30:2015 Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods
BS EN 61036:1997 Alternating current static watt-hour meters for active energy (classes 1 and 2)
11/30235280 DC : 0 BS EN 50152-1 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 1: CIRCUIT-BREAKERS WITH NOMINAL VOLTAGE ABOVE 1 KV
BS EN 60255-24:2001 Electrical relays Common format for transient data exchange (COMTRADE) for power systems
03/113813 DC : 0 IEC 60034-2. ED.4 - ROTATING ELECTRICAL MACHINES - PART 2: METHODS FOR DETERMINING LOSSES AND EFFICIENCY FROM TESTS (EXCLUDING MACHINES FOR TRACTION VEHICLES)
06/30159310 DC : 0 IEC 61000-4-30 - ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
BS EN 62271-203:2012 High-voltage switchgear and controlgear Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
CEI EN 60255-24 : 2003 ELECTRICAL RELAYS - PART 24: COMMON FORMAT FOR TRANSIENT DATA EXCHANGE (COMTRADE) FOR POWER SYSTEMS
I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
CSA C60044-8 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
BS EN 62271-100 : 2009 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 100: ALTERNATING-CURRENT CIRCUIT-BREAKERS (IEC 62271-100:2008)
I.S. EN 61000-4-30:2015 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
BS PD IEC TR 60919-2 : 2008 PERFORMANCE OF HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS WITH LINE-COMMUTATED CONVERTERS - PART 2: FAULTS AND SWITCHING
NF EN 62271-205 : 2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
I.S. EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
UNE-EN 62271-203:2013 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
EN 62271-205:2008/corrigendum:2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
EN 62053-22:2003/A1:2017/AC:2018-05 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S) (IEC 62053-22:2003/A1:2016/COR1:2018)
BS EN 61400-21:2008 Wind turbines Measurement and assessment of power quality characteristics of grid connected wind turbines
BIS IS/IEC 61400-21 : 2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
UNE-EN 50152-2:2013 Railway applications - Fixed installations - Particular requirements for alternating current switchgear - Part 2: Disconnectors, earthing switches and switches with nominal voltage above 1 kV
CEI EN 50470-1 : 2007 ELECTRICITY METERING EQUIPMENT (A.C.) - PART 1: GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - METERING EQUIPMENT (CLASS INDEXES A, B AND C)
PD IEC/TR 62001:2009 High-voltage direct current (HVDC) systems. Guidebook to the specification and design evaluation of A.C. filters
I.S. EN 62271-203:2012 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 203: GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES ABOVE 52 KV (IEC 62271-203:2011 (EQV))
EN 62271-100 : 2009 AMD 2/COR 18 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 100: ALTERNATING-CURRENT CIRCUIT-BREAKERS (IEC 62271-100:2008/A2:2017/COR1:2018)
BS EN 60044-6:1999 Instrument transformers Requirements for protective current transformers for transient performance
CEI EN 62053-22 : 2003 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S)
12/30229120 DC : 0 BS EN 62053-24 ED 1.0 - ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 24: STATIC METERS FOR FUNDAMENTAL COMPONENT REACTIVE ENERGY (CLASSES 0,5 S, 1S AND 1)
BS EN 45510-2-7:2002 Guide for the procurement of power station equipment. Electrical equipment Switchgear and controlgear
11/30148668 DC : 0 IEC 61400-12-2 - WIND TURBINES - PART 12-2: POWER PERFORMANCE OF ELECTRICITY PRODUCING WIND TURBINES BASED ON NACELLE ANEMOMETRY
11/30245197 DC : 0 BS EN 60143-2 - SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENTS FOR SERIES CAPACITOR BANKS
PD CLC/TR 50579:2012 Electricity metering equipment (A.C.). Severity levels, immunity requirements and test methods for conducted disturbances in the frequency range 2 kHz-150 kHz
CEI UNI EN 45510-2-7 : 2006 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
I.S. EN 62271-100:2009 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 100: ALTERNATING-CURRENT CIRCUIT-BREAKERS
CEI EN 62488-1 : 2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS
UNE-EN 61557-12:2010 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures -- Part 12: Performance measuring and monitoring devices (PMD)
CSA C60044-8 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
IEC TS 62600-100:2012 Marine energy - Wave, tidal and other water current converters - Part 100: Electricity producing wave energy converters - Power performance assessment
BS EN 60044-8:2002 Instrument transformers Electronic current transformers
BIS IS/IEC 62271-203 : 2003 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 203: GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES ABOVE 52 KV
S.R. CLC/TR 50579:2012 ELECTRICITY METERING EQUIPMENT (A.C.) - SEVERITY LEVELS, IMMUNITY REQUIREMENTS AND TEST METHODS FOR CONDUCTED DISTURBANCES IN THE FREQUENCY RANGE 2 KHZ - 150 KHZ
BS EN 50600-2-2:2014 Information technology. Data centre facilities and infrastructures Power distribution
IEC 61400-12-0:1998 Wind turbine generator systems - Part 12: Wind turbine power performance testing
DIN EN 60044-6 : 1999 INSTRUMENT TRANSFORMERS - PART 6: REQUIREMENTS FOR PROTECTIVE CURRENT TRANSFORMERS FOR TRANSIENT PERFORMANCE
DIN EN 61400-12 : 1999 WIND TURBINE GENERATOR SYSTEMS - PART 12: WIND TURBINES POWER PERFORMANCE TESTING
VDE 0414-7 : 1999 INSTRUMENT TRANSFORMERS - PART 6: REQUIREMENTS FOR PROTECTIVE CURRENT TRANSFORMERS FOR TRANSIENT PERFORMANCE
VDE 0127-12 : 1999 WIND TURBINE GENERATOR SYSTEMS - PART 12: WIND TURBINES POWER PERFORMANCE TESTING
02/207950 DC : DRAFT JULY 2002 IEC 61400-121 ED.1 - WIND TURBINES - PART 121: POWER PERFORMANCE MEASUREMENTS OF GRID CONNECTED WIND TURBINES
BS EN 62488-1:2013 Power line communication systems for power utility applications Planning of analogue and digital power line carrier systems operating over EHV/HV/MV electricity grids
BS IEC 61892-3:2012 Mobile and fixed offshore units. Electrical installations Equipment
08/30179468 DC : DRAFT MAR 2008 BS EN 62271-203 - HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 203: GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES ABOVE 52 KV
I.S. EN 50600-2-2:2014 INFORMATION TECHNOLOGY - DATA CENTRE FACILITIES AND INFRASTRUCTURES - PART 2-2: POWER DISTRIBUTION
BS EN 61000-4-30:2015 Electromagnetic compatibility (EMC) Testing and measurement techniques. Power quality measurement methods
16/30328917 DC : DRAFT APR 2016 BS EN 62488-2 ED 1.0 - POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 2: ANALOGUE POWER LINE CARRIER TERMINALS (APLC)
IEEE 1861-2014 IEEE Guide for On-Site Acceptance Tests of Electrical Equipment and System Commissioning of 1000 kV AC and Above
12/30262567 DC : 0 BS EN 61000-4-30 ED 3 - ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
BS EN 50327:2003 Railway applications. Fixed installations. Harmonisation of the rated values for converter groups and tests on converter groups
BS EN 50463:2007 Railway applications. Energy measurement on board trains
CSA C61000-4-30 : 2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
DD IEC/PAS 62001:2004 Guide to the specification and design evaluation of a.c. filters for HVDC systems
BS EN 60143-2:2013 Series capacitors for power systems Protective equipment for series capacitor banks
NF EN 60044-8 : 2006 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSDUCERS
CEI EN 60143-2 : 2014 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS
CSA C60044-8 :2007 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
NF EN 62052-11 : 2003 AMD 1 2017 ELECTRICITY METERING EQUIPMENT (A.C.) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 11: METERING EQUIPMENT
PREN 50152-1 : DRAFT 2011 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 1: CIRCUIT-BREAKERS WITH NOMINAL VOLTAGE ABOVE 1 KV
BS EN 62053-22 : 2003 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S) (IEC 62053-22:2003)
I.S. EN 50152-2:2012 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 2: DISCONNECTORS, EARTHING SWITCHES AND SWITCHES WITH NOMINAL VOLTAGE ABOVE 1 KV
I.S. EN 62488-1:2013 POWER LINE COMMUNICATION SYSTEMS FOR POWER UTILITY APPLICATIONS - PART 1: PLANNING OF ANALOGUE AND DIGITAL POWER LINE CARRIER SYSTEMS OPERATING OVER EHV/HV/MV ELECTRICITY GRIDS (IEC 62488-1:2012 (EQV))
I.S. EN 62271-205:2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
I.S. EN 50463:2007 RAILWAY APPLICATIONS - ENERGY MEASUREMENT ON BOARD TRAINS
IEC 61892-3:2012 Mobile and fixed offshore units - Electrical installations - Part 3: Equipment
IEC 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
UNE-EN 62271-100:2011 High-voltage switchgear and controlgear -- Part 100: Alternating-current circuit-breakers
EN 50600-2-2:2014 Information technology - Data centre facilities and infrastructures - Part 2-2: Power distribution
BS EN 61400-12:1998 Wind turbine generator systems Wind turbine power performance testing
NF EN 62053-22 : 2003 AMD 1 2017 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S)
01/205932 DC : DRAFT AUG 2001 BS 8431 - CODE OF PRACTICE FOR ELECTRICAL STATIC METERING FOR SECONDARY OR SUB-METERING
CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
PD IEC/TS 62600-100:2012 Marine energy. Wave, tidal and other water current converters Electricity producing wave energy converters. Power performance assessment
06/30148073 DC : DRAFT MAR 2006 IEC 61400-21 - WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
BS EN 62271-205:2008 High-voltage switchgear and controlgear Compact switchgear assemblies for rated voltages above 52 kV
IEC TR 62001:2009 High-voltage direct current (HVDC) systems - Guidebook to the specification and design evaluation of A.C. filters
S.R. CLC/TR 50462:2008 RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
CLC/TR 50579:2012 ELECTRICITY METERING EQUIPMENT (A.C.) - SEVERITY LEVELS, IMMUNITY REQUIREMENTS AND TEST METHODS FOR CONDUCTED DISTURBANCES IN THE FREQUENCY RANGE 2 KHZ - 150 KHZ
PD IEC/TR 61869-100:2017 Instrument transformers Guidance for application of current transformers in power system protection
11/30235283 DC : 0 BS EN 50152-2 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 2: DISCONNECTORS, EARTHING SWITCHES AND SWITCHES WITH NOMINAL VOLTAGE ABOVE 1 KV
CEI EN 62052-11 : 2003 ELECTRICITY METERING EQUIPMENT (AC) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 11: METERING EQUIPMENT
IEC 61557-12:2007 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performance measuring and monitoring devices (PMD)
UNE-EN 50152-1:2013 Railway applications - Fixed installations - Particular requirements for alternating current switchgear - Part 1: Circuit-breakers with nominal voltage above 1 kV
UNI CEI EN 45510-2-7 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
CSA C61400-12-1 : 2007 : R2012 WIND TURBINES - PART 12-1: POWER PERFORMANCE MEASUREMENTS OF ELECTRICITY PRODUCING WIND TURBINES
15/30267585 DC : 0 BS EN 61400-12-1 ED.2 - WIND TURBINES - PART 12-1: POWER PERFORMANCE MEASUREMENTS OF ELECTRICITY PRODUCING WIND TURBINES
CEI CLC/TR 50579 : 2013 ELECTRICITY METERING EQUIPMENT - SEVERITY LEVELS, IMMUNITY REQUIREMENTS AND TEST METHODS FOR CONDUCTED DISTURBANCES IN THE FREQUENCY RANGE 2 KHZ - 150 KHZ
NF EN 61400-21 : 2009 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
I.S. EN 62053-22:2003 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S) (IEC 62053-22:2003/A1:2016/COR1:2018)
I.S. EN 50152-1:2012 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 1: CIRCUIT-BREAKERS WITH NOMINAL VOLTAGE ABOVE 1 KV
BS EN 50470-1 : 2006 ELECTRICITY METERING EQUIPMENT (A.C.) - PART 1: GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - METERING EQUIPMENT (CLASS INDEXES A, B AND C)
IEEE C37.234-2009 IEEE Guide for Protective Relay Applications to Power System Buses
I.S. EN 61557-12:2008 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 12: PERFORMANCE MEASURING AND MONITORING DEVICES (PMD)
CSA CEI/IEC 61000.4.30 : 2004 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
I.S. EN 61036:1997 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
PREN 50152-2 : DRAFT 2011 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 2: DISCONNECTORS, EARTHING SWITCHES AND SWITCHES WITH NOMINAL VOLTAGE ABOVE 1 KV
CEI EN 61557-12 : 2013 ELECTRICAL SAFETY IN LOW VOLTAGE DISTRIBUTION SYSTEMS UP TO 1000 V A.C. AND 1500 V D.C. - EQUIPMENT FOR TESTING, MEASURING OR MONITORING OF PROTECTIVE MEASURES - PART 12: PERFORMANCE MEASURING AND MONITORING DEVICES (PMD)
CEI EN 62271-205 : 2012 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
CEI EN 50152-2 : 2013 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 2: DISCONNECTORS, EARTHING SWITCHES AND SWITCHES WITH NOMINAL VOLTAGE ABOVE 1 KV
IEC 62505-3-2:2009 Railway applications - Fixed installations - Particular requirements for a.c. switchgear - Part 3-2: Measurement, control and protection devices for specific use in a.c. traction systems - Single-phase current transformers
IEC PAS 62001:2004 Guide to the specification and design evaluation of a.c. filters for HVDC systems
IEC TR 61869-100:2017 Instrument transformers - Part 100: Guidance for application of current transformers in power system protection
IEC 62271-203:2011 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
IEC 62052-11:2003+AMD1:2016 CSV Electricity metering equipment (a.c.) - General requirements, tests and test conditions - Part 11: Metering equipment
IEC 61000-4-30 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
IEC 60255-1:1967 Electrical relays - Part 1: Instantaneous all-or-nothing relays
UNE-EN 60255-1:2010 Measuring relays and protection equipment -- Part 1: Common requirements
IEC 60143-2:2012 Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks
IEC TR 61869-103:2012 Instrument transformers - The use of instrument transformers for power quality measurement
IEC 61000-4-30:2015 RLV Electromagnetic compatibility (EMC) - Part 4-30: Testing and measurement techniques - Power quality measurement methods
IEC 62053-22:2003+AMD1:2016 CSV Electricity metering equipment (a.c.) - Particular Requirements - Part 22: Static meters for active energy (classes 0,2 S and 0,5 S)
IEC 62271-205:2008 High-voltage switchgear and controlgear - Part 205: Compact switchgear assemblies for rated voltages above 52 kV
IEC 62488-1:2012 Power line communication systems for power utility applications - Part 1: Planning of analogue and digital power line carrier systems operating over EHV/HV/MV electricity grids
10/30230568 DC : 0 BS EN 61892-3 - MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT
IEC 61400-21:2008 Wind turbines - Part 21: Measurement and assessment of power quality characteristics of grid connected wind turbines
EN 45510-2-7:2002 Guide for procurement of power station equipment - Part 2-7: Electrical equipment - Switchgear and controlgear
CEI EN 62271-203 : 2013 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 203: GAS-INSULATED METAL-ENCLOSED SWITCHGEAR FOR RATED VOLTAGES ABOVE 52 KV
CEI CLC/TR 50462 : 2009 RULES FOR THE DETERMINATION OF UNCERTAINTIES IN THE MEASUREMENT OF THE LOSSES ON POWER TRANSFORMERS AND REACTORS
S.R. CLC/TR 60919-2:2010 PERFORMANCE OF HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS WITH LINE-COMMUTATED CONVERTERS - PART 2: FAULTS AND SWITCHING
BS EN 61557-12:2008 Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring or monitoring of protective measures Performance measuring and monitoring devices (PMD)
I.S. EN 60143-2:2013 SERIES CAPACITORS FOR POWER SYSTEMS - PART 2: PROTECTIVE EQUIPMENT FOR SERIES CAPACITOR BANKS (IEC 60143-2:2012 (EQV))
I.S. EN 50470-1:2006 ELECTRICITY METERING EQUIPMENT (A.C.) - PART 1: GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - METERING EQUIPMENT (CLASS INDEXES A, B AND C)
CEI CLC/TR 60919-2 : 2013 PERFORMANCE OF HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS WITH LINE-COMMUTATED CONVERTERS - PART 2: FAULTS AND SWITCHING
IEC TR 60919-2:2008+AMD1:2015 CSV Performance of high-voltage direct current (HVDC) systems withline-commutated converters - Part 2: Faults and switching
CLC/TR 50462:2008 Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
CSA C61000-4-30 : 2010 : R2014 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-30: TESTING AND MEASUREMENT TECHNIQUES - POWER QUALITY MEASUREMENT METHODS
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BS EN 50152-2:2012 Railway applications. Fixed installations. Particular requirements for alternating current switchgear Disconnectors, earthing switches and switches with nominal voltage above 1 kV
IEEE 3004.1-2013 IEEE Recommended Practice for the Application of Instrument Transformers in Industrial and Commercial Power Systems
EN 50470-1:2006 Electricity metering equipment (a.c.) - Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
CEI EN 61400-21 : 2011 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
NF EN 60255-1 : 2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
IEC 61972:2002 Method for determining losses and efficiency of three-phase cage induction motors
IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
EN 62488-1:2013 Power line communication systems for power utility applications - Part 1: Planning of analogue and digital power line carrier systems operating over EHV/HV/MV electricity grids
EN 61036:1996/A1:2000 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
EN 50327 : 2003 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
EN 50152-2:2012 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 2: DISCONNECTORS, EARTHING SWITCHES AND SWITCHES WITH NOMINAL VOLTAGE ABOVE 1 KV
EN 61400-21:2008 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
EN 61557-12:2008 Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 12: Performance measuring and monitoring devices (PMD)
EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements
EN 60143-2:2013 Series capacitors for power systems - Part 2: Protective equipment for series capacitor banks
EN 62271-203:2012 High-voltage switchgear and controlgear - Part 203: Gas-insulated metal-enclosed switchgear for rated voltages above 52 kV
EN 50152-1 : 2012 AMD 1 2013 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - PARTICULAR REQUIREMENTS FOR ALTERNATING CURRENT SWITCHGEAR - PART 1: CIRCUIT-BREAKERS WITH NOMINAL VOLTAGE ABOVE 1 KV
EN 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers
EN 50463:2007 Railway applications - Energy measurement on board trains
CEI 18-58 : 2013 MOBILE AND FIXED OFFSHORE UNITS - ELECTRICAL INSTALLATIONS - PART 3: EQUIPMENT

IEC 60038:2009 IEC standard voltages
IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
IEC 60721-1:1990+AMD1:1992+AMD2:1995 CSV Classification of environmental conditions - Part 1: Environmental parameters and their severities
IEC 60028:1925 International standard of resistance for copper
IEC 60721-3-9:1993 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 9: Microclimates inside products
IEC 60721-2-7:1987 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Fauna and flora
IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
IEC 60721-3-7:1995+AMD1:1996 CSV Classification of environmental conditions - Part 3-7: Classification of groups of environmental parameters and their severities - Portable and non-stationary use
IEC 60721-3-5:1997 Classification of environmental conditions - Part 3: Classificationof groups of environmental parameters and their severities -Section 5: Ground vehicle installations
IEC 60721-2-5:1991 Classification of environmental conditions - Part 2: Environmental conditions appearing in nature - Section 5: Dust, sand, salt mist
IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
IEC 60721-2-1:2013 Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
IEC 60721-2-2:2012 Classification of environmental conditions - Part 2-2: Environmental conditions appearing in nature - Precipitation and wind
IEC 60721-2-6:1990 Classification of environmental conditions. Part 2: Environmental conditions appearing in nature. Earthquake vibration and shock
IEC 60044-6:1992 Instrument transformers - Part 6: Requirements for protective current transformers for transient performance
IEC 60121:1960 Recommendation for commercial annealed aluminium electrical conductor wire
IEC 60721-3-0:1984+AMD1:1987 CSV Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Introduction
IEC 60721-3-2:1997 Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 2: Transportation
IEC 60721-2-8:1994 Classification of environmental conditions - Part 2: Environmental conditions appearing in nature - Section 8: Fire exposure
IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
IEC 60721-3-3:1994+AMD1:1995+AMD2:1996 CSV Classification of environmental conditions - Part 3-3: Classification of groups of environmental parameters and their severities - Stationary use at weatherprotected locations
IEC 60721-2-4:1987+AMD1:1988 CSV Classification of environmental conditions - Part 2-4: Environmental conditions appearing in nature - Solar radiation and temperature
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
IEC 60721-3-6:1987 Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment
IEC 60721-2-3:2013 Classification of environmental conditions - Part 2-3: Environmental conditions appearing in nature - Air pressure
IEC 60721-3-1:1997 Classification of environmental conditions - Part 3 Classification of groups of environmental parameters and their severities - Section 1: Storage

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