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BS EN 60044-8:2002

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Electronic current transformers
Available format(s)

Hardcopy , PDF

Superseded date

02-28-2017

Language(s)

English

Published date

10-04-2002

1 Scope
   1.1 General
   1.2 General block diagram of electronic current
        transformers
   1.3 General block diagram of electronic transformers
        with a digital output
2 Normative references
3 Definitions
   3.1 General definitions
   3.2 Additional definitions for measuring electronic
        current transformers
   3.3 Additional definitions for protective electronic
        current transformers
   3.4 Additional definitions for digital output
   3.5 Additional definitions for analogue voltage output
   3.6 Index of main definitions and abbreviations
4 Normal and special service conditions
   4.1 General
   4.2 Normal service conditions
   4.3 Special service conditions
   4.4 System earthing
5 Ratings
   5.1 General ratings
   5.2 Standard values for rated phase offset
   5.3 Rating for digital output
   5.4 Ratings for analogue voltage output
6 Design requirements
   6.1 General design requirements
   6.2 Design requirements for digital output
   6.3 Design requirements for analogue voltage
        output
7 Classification of tests
   7.1 General
   7.2 Type tests
   7.3 Routine tests
   7.4 Special tests
8 Type test
   8.1 Short-time current tests
   8.2 Temperature-rise test
   8.3 Impulse tests on primary terminals
   8.4 Wet test for outdoor type electronic current
        transformers
   8.5 RIV tests
   8.6 Transmitted overvoltage test
   8.7 Low-voltage components voltage withstand test
   8.8 EMC tests
   8.9 Accuracy test
   8.10 Additional accuracy tests for protective electronic
        current transformers
   8.11 Verification of the protection
   8.12 Tightness tests
   8.13 Vibration tests
   8.14 Additional type test for digital output
9 Routine tests
   9.1 Verification of terminal markings
   9.2 Power-frequency withstand test on primary terminals
        and partial discharge measurement
   9.3 Power-frequency voltage withstand test for low-voltage
        components
   9.4 Accuracy tests
   9.5 Tightness tests
   9.6 Additional routine tests for digital output
   9.7 Additional routine tests for analogue output
10 Special tests
   10.1 Chopped lightning-impulse test on primary terminals
   10.2 Measurement of capacitance and dielectric dissipation
        factor
   10.3 Mechanical tests
   10.4 Tests for accuracy versus harmonics
   10.5 Tests in accordance with the technology applied
11 Marking
   11.1 Terminal marking - General rules
   11.2 Rating plate markings
12 Additional requirements for measuring electronic current
   transformers
   12.1 Accuracy class designation
   12.2 Limits of current error and phase error at rated
        frequency
   12.3 Accuracy requirements on harmonics
13 Additional requirements for protective electronic current
   transformers
   13.1 Accuracy classes
   13.2 Accuracy requirements on harmonics
14 Information to be given with enquiries, tenders and orders
   14.1 Designation
   14.2 Dependability
15 Rules for transport, storage and installation
   15.1 Conditions during transport, storage and installation
   15.2 Installation
   15.3 Unpacking and lifting
   15.4 Assembly
   15.5 Operation
   15.6 Maintenance
16 Safety
   16.1 Electrical aspects
   16.2 Mechanical aspects
   16.3 Thermal aspects
Annex A (informative) Transient performance of ECTs
Annex B (informative) Technical information for electronic
        current transformers with digital output
Annex C (informative) Technical information for electronic
        current transformers with analogue output
Annex D (normative) Frequency response and accuracy requirements
        on harmonics for electronic current and voltage
        transformer
Annex E (informative) Graph explaining the accuracy requirements
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications
Bibliography

Applicable to newly manufactured electronic current transformers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz.

This part of IEC 60044 applies to newly manufactured electronic current transformers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz.

Committee
PEL/38
DevelopmentNote
Supersedes 97/203923 DC (10/2002) Superseded by BS EN 61869-6, but remains current. (03/2017)
DocumentType
Standard
ISBN
0580404951
Pages
132
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NF EN 60044-8 : 2006 Identical
I.S. EN 60044-8:2002 Identical
IEC 60044-8:2002 Identical
UNE-EN 60044-8:2005 Identical
EN 60044-8:2002 Identical
NBN EN 60044-8 : 2003 Identical
BS EN IEC 61869-9:2019 Identical
DIN EN 60044-8 : 2003 Identical

IEC 61025:2006 Fault tree analysis (FTA)
IEC 61000-4-8 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-8: TESTING AND MEASUREMENT TECHNIQUES - POWER FREQUENCY MAGNETIC FIELD IMMUNITY TEST
IEC 60480:2004 Guidelines for the checking and treatment of sulfur hexafluoride (SF<sub>6</sub>) taken from electrical equipment and specification for its re-use
IEC 60874-10:1992 Connectors for optical fibres and cables - Part 10: Sectional specification - Fibre optic connector type BFOC/2,5
IEC 61000-4-10 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-10: TESTING AND MEASUREMENT TECHNIQUES - DAMPED OSCILLATORY MAGNETIC FIELD IMMUNITY TEST
IEC 60255-22-1:2007 Measuring relays and protection equipment - Part 22-1: Electrical disturbance tests - 1 MHz burst immunity tests
EN 50160 : 2010 AMD 1 2015 VOLTAGE CHARACTERISTICS OF ELECTRICITY SUPPLIED BY PUBLIC ELECTRICITY NETWORKS
IEC 60038:2009 IEC standard voltages
IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
IEC 60044-7:1999 Instrument transformers - Part 7: Electronic voltage transformers
EN 60068-2-75:2014 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests
IEC 60028:1925 International standard of resistance for copper
TIA/EIA 422 : B1994(R2014) ELECTRICAL CHARACTERISTICS OF BALANCED VOLTAGE DIGITAL INTERFACE CIRCUITS
IEC 61850-9-1:2003 Communication networks and systems in substations - Part 9-1: Specific Communication Service Mapping (SCSM) - Sampled values over serial unidirectional multidrop point to point link
EN 61000-4-1:2007 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
IEC 61000-4-4 : 3.0EN+(REDLINE+VERSION) ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST
IEC 61000-4-1:2006 Electromagnetic compatibility (EMC) - Part 4-1: Testing and measurement techniques - Overview of IEC 61000-4 series
EN 61000-4-11:2004/A1:2017 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-11: TESTING AND MEASUREMENT TECHNIQUES - VOLTAGE DIPS, SHORT INTERRUPTIONS AND VOLTAGE VARIATIONS IMMUNITY TESTS (IEC 61000-4-11:2004/A1:2017)
IEC 60812:2006 Analysis techniques for system reliability - Procedure for failure mode and effects analysis (FMEA)
IEC TS 61462:1998 Composite insulators - Hollow insulators for use in outdoor and indoor electrical equipment - Definitions, test methods, acceptance criteria and design recommendations
IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
EN 61000-4-9:2016 Electromagnetic compatibility (EMC) - Part 4-9: Testing and measurement techniques - Impulse magnetic field immunity test
IEC 60304:1982 Standard colours for insulation for low-frequency cables and wires
IEC 61000-4-11:2004+AMD1:2017 CSV Electromagnetic compatibility (EMC) - Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests
IEC 60255-24:2013 Measuring relays and protection equipment - Part 24: Common format for transient data exchange (COMTRADE) for power systems
HD 625.1 : 200S1 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PRINCIPLES, REQUIREMENTS AND TESTS
IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
HD 485 : 200S1 ANALYSIS TECHNIQUES FOR SYSTEM RELIABILITY - PROCEDURE FOR FAILURE MODE AND EFFECTS ANALYSIS (FMEA)
EN 60870-5-1:1993 Telecontrol equipment and systems - Part 5: Transmission protocols - Section 1: Transmission frame formats
IEC 61000-4-8:2009 Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
IEC 61000-4-4:2012 RLV Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test
EN 61166:1993 High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakers
EN 61000-4-2:2009 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
EN 61000-4-7:2002/A1:2009 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-7: TESTING AND MEASUREMENT TECHNIQUES - GENERAL GUIDE ON HARMONICS AND INTERHARMONICS MEASUREMENTS AND INSTRUMENTATION, FOR POWER SUPPLY SYSTEMS AND EQUIPMENT CONNECTED THERETO (IEC 61000-4-7:2002/A1:2008)
IEC 61000-4-12 : 3.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-12: TESTING AND MEASUREMENT TECHNIQUES - RING WAVE IMMUNITY TEST
IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
EN 60707 : 1999 FLAMMABILITY OF SOLID NON-METALLIC MATERIALS WHEN EXPOSED TO FLAME SOURCES - LIST OF TEST METHODS
IEC 60056:1987 High-voltage alternating-current circuit-breakers
IEC 60376:2005 Specification of technical grade sulfur hexafluoride (SF<sub>6</sub>) for use in electrical equipment
IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
HD 588.1 : S1 AMD 1 HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS
EN 60044-6 : 1999 INSTRUMENT TRANSFORMERS - REQUIREMENTS FOR PROTECTIVE CURRENT TRANSFORMERS FOR TRANSIENT PERFORMANCE
IEC 61166:1993 High-voltage alternating current circuit-breakers - Guide for seismic qualification of high-voltage alternating current circuit-breakers
EN 60255-5:2001 Electrical relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
EN 61000-4-3 : 2006 AMD 2 2010 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-3: TESTING AND MEASUREMENT TECHNIQUES - RADIATED, RADIO-FREQUENCY, ELECTROMAGNETIC FIELD IMMUNITY TEST
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
IEC 60721-2-2:2012 Classification of environmental conditions - Part 2-2: Environmental conditions appearing in nature - Precipitation and wind
IEC 61000-4-9 : 2.0 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-9: TESTING AND MEASUREMENT TECHNIQUES - IMPULSE MAGNETIC FIELD IMMUNITY TEST
EN 60044-7:2000 Instrument transformers - Part 7: Electronic voltage transformers
IEC 60707:1999 Flammability of solid non-metallic materials when exposed to flame sources - List of test methods
IEC 60044-6:1992 Instrument transformers - Part 6: Requirements for protective current transformers for transient performance
IEC 60437:1997 Radio interference test on high-voltage insulators
EN 60694:1996/A2:2001 COMMON SPECIFICATIONS FOR HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR STANDARDS
IEC 60121:1960 Recommendation for commercial annealed aluminium electrical conductor wire
HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
IEC 60529:1989+AMD1:1999+AMD2:2013 CSV Degrees of protection provided by enclosures (IP Code)
IEC 60044-1:1996+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 1: Current transformers
EN 60068-2-17:1994 Environmental testing - Part 2: Tests - Test Q: Sealing
EN 61000-4-8:2010 Electromagnetic compatibility (EMC) - Part 4-8: Testing and measurement techniques - Power frequency magnetic field immunity test
IEC 60068-2-17:1994 Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing
EN 61850-3:2014 Communication networks and systems for power utility automation - Part 3: General requirements
HD 348 : 200S7 HIGH-VOLTAGE ALTERNATING-CURRENT CIRCUIT-BREAKERS
EN 61000-4-12:2017 Electromagnetic compatibility (EMC) - Part 4-12: Testing and measurement techniques - Ring wave immunity test
IEC 61000-4-2:2008 Electromagnetic compatibility (EMC) - Part 4-2: Testing and measurement techniques - Electrostatic discharge immunity test
IEC 61000-4-3:2006+AMD1:2007+AMD2:2010 CSV Electromagnetic compatibility (EMC) - Part 4-3: Testing and measurement techniques - Radiated, radio-frequency, electromagnetic field immunity test
IEC 60376B:1974 Second supplement: Clause 26
IEC 60255-5:2000 Electrical Relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
EN 60071-1:2006/A1:2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
HD 617 : 200S1 FAULT TREE ANALYSIS (FTA)
IEC 61850-7-4:2010 Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
HD 402 : 200S2 STANDARD COLOURS FOR INSULATION FOR LOW-FREQUENCY CABLES AND WIRES
IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
IEC 61000-4-7:2002+AMD1:2008 CSV Electromagnetic compatibility (EMC) - Part 4-7: Testing and measurement techniques - General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
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
EN 60068-2-6:2008 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)
IEC 60068-2-75:2014 Environmental testing - Part 2-75: Tests - Test Eh: Hammer tests
EN 60044-1:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 1: CURRENT TRANSFORMERS
EN 61000-4-4:2012 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-4: TESTING AND MEASUREMENT TECHNIQUES - ELECTRICAL FAST TRANSIENT/BURST IMMUNITY TEST (IEC 61000-4-4:2012)
CISPR 11:2015 RLV Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
IEC 60721-2-4:1987+AMD1:1988 CSV Classification of environmental conditions - Part 2-4: Environmental conditions appearing in nature - Solar radiation and temperature
TIA 485 : A1998(R2012) ELECTRICAL CHARACTERISTICS OF GENERATORS AND RECEIVERS FOR USE IN BALANCED DIGITAL MULTIPOINT SYSTEMS
IEC 60870-5-1:1990 Telecontrol equipment and systems. Part 5: Transmission protocols - Section One: Transmission frame formats
IEC 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
EN 60529:1991/AC:2016-12 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (IP CODE) (IEC 60529 EDITION 2.2 CORRIGENDUM 2:2015)
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 61754-15:2009 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 15: Type LSH connector family
IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
IEC 61000-4-29:2000 Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
IEC 61754-1:2013 Fibre optic interconnecting devices and passive components - Fibre optic connector interfaces - Part 1: General and guidance
EN 60721-3-4:1995/A1:1997 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 3: CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - SECTION 4: STATIONARY USE AT NON-WEATHER-PROTECTED LOCATIONS
IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
EN 61000-4-13:2002/A2:2016 ELECTROMAGNETIC COMPATIBILITY (EMC) - PART 4-13: TESTING AND MEASUREMENT TECHNIQUES - HARMONICS AND INTERHARMONICS INCLUDING MAINS SIGNALLING AT A.C. POWER PORT, LOW FREQUENCY IMMUNITY TESTS (IEC 61000-4-13:2002/A2:2015)
IEC 61000-4-13:2002+AMD1:2009+AMD2:2015 CSV Electromagnetic compatibility (EMC) - Part 4-13: Testing and measurement techniques - Harmonics and interharmonics includingmains signalling at a.c. power port, low frequency immunity tests
IEC 61850-3:2013 Communication networks and systems for power utility automation - Part 3: General requirements
EN 61000-4-10:2017 Electromagnetic compatibility (EMC) - Part 4-10: Testing and measurement techniques - Damped oscillatory magnetic field immunity test
EN 61000-4-29:2000 Electromagnetic compatibility (EMC) - Part 4-29: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests
EN 60721-3-3 : 95 AMD 2 97 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - CLASSIFICATION OF GROUPS OF ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES - STATIONARY USE AT WEATHER-PROTECTED LOCATIONS

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