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EN 60044-7:2000

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 7: Electronic voltage transformers
Superseded date

12-01-2016

Published date

01-24-2000

1 General
      1.1 Scope
      1.2 Normative references
      1.3 General block diagram of electronic voltage
             transformers
2 Definitions
      2.1 General definitions
      2.2 Additional definitions for single-phase
             electronic protective voltage transformers
      2.3 Index of symbols
3 General requirements
      3.1 General
      3.2 Information to be given for enquiries,
             tenders and orders
4 Normal and special service conditions
      4.1 Normal service conditions
      4.2 Special service conditions
      4.3 Earthing system
5 Ratings
      5.1 Standard values of rated voltages
      5.2 Standard values of rated output
      5.3 Standard values of rated voltage factor
      5.4 Standard values of rated auxiliary power
             supply voltage
      5.5 Standard reference values of other influencing
             parameters
6 Design requirements
      6.1 Insulation requirements for primary voltage
             sensor
      6.2 Insulation requirements for low-voltage
             components
      6.3 Short-circuit withstand capability
      6.4 Limits of temperature rise
      6.5 Radio interference voltage requirements
      6.6 Transmitted overvoltage requirements
      6.7 Electromagnetic compatibility requirements
      6.8 Reliability
      6.9 Abnormal conditions withstand capability
      6.10 Abnormal conditions signalling
      6.11 Mechanical requirements
      6.12 Earthing terminals
7 Classification of tests
      7.1 Type tests
      7.2 Routine tests
      7.3 Special tests
8 Type tests
      8.1 Impulse test on primary voltage terminals
      8.2 Wet test for outdoor type electronic voltage
             transformers
      8.3 Tests for accuracy
      8.4 Test for abnormal conditions withstand capability
      8.5 Radio interference voltage test
      8.6 Transmitted overvoltage test
      8.7 Electromagnetic compatibility tests
      8.8 Impulse voltage withstand test for low-voltage
             components
      8.9 Transient performance tests
9 Routine tests
      9.1 Verification of terminal markings
      9.2 Power-frequency withstand tests on primary
             voltage terminals and partial discharge
             measurement
      9.3 Power-frequency voltage withstand test for
             low-voltage components
      9.4 Tests for accuracy
10 Special tests
      10.1 Chopped lightning-impulse test on primary voltage
             terminals
      10.2 Measurement of capacitance and dielectric
             dissipation factor
      10.3 Mechanical strength tests
11 Markings
      11.1 Rating plate markings
      11.2 Terminal markings
12 Accuracy requirements for single-phase electronic
      measuring voltage transformers
      12.1 General requirements
      12.2 Maintenance requirement
      12.3 Accuracy class designation for electronic
             measuring voltage transformers
      12.4 Standard accuracy classes for electronic
             measuring voltage transformers
      12.5 Limits of voltage error and phase displacement
             for electronic measuring voltage transformers
13 Additional requirements for single-phase electronic
      protective voltage transformers
      13.1 General requirements
      13.2 Maintenance requirements
      13.3 Accuracy class designation for electronic
             protective voltage transformers
      13.4 Standard accuracy classes for electronic
             protective voltage transformers
      13.5 Limits of voltage error and phase displacement
             for electronic protective voltage transformers
      13.6 Transient performance requirements
Annex A (normative) Burdens for the transient response test
Annex B (informative) Technical information for electronic
                      voltage transformers
Annex C (informative) Bibliography
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Applies to newly manufactured electronic voltage transformers with analogue output, for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz. The standard covers optical arrangements with electronic components. Three-phase voltage transformers are not included, but some of the requirements apply.

Committee
CLC/TC 38
DevelopmentNote
Superseded by EN 61869-6 but remains current and will be withdrawn until all the relevant parts of EN 61869 series will be published. (01/2017)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

UNE-EN 62271-205:2011 High-voltage switchgear and controlgear -- Part 205: Compact switchgear assemblies for operation at rated voltages above 52 kV
I.S. EN 50327:2003 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
BS EN 60255-1:2010 Measuring relays and protection equipment Common requirements
I.S. EN 60044-8:2002 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSFORMERS
EN 62271-205:2008/corrigendum:2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
EN 61869-6:2016 Instrument transformers - Part 6: Additional general requirements for low-power instrument transformers
EN 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
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)
BS EN 60044-8:2002 Instrument transformers Electronic current transformers
I.S. EN 62689-1:2016 CURRENT AND VOLTAGE SENSORS OR DETECTORS, TO BE USED FOR FAULT PASSAGE INDICATION PURPOSES - PART 1: GENERAL PRINCIPLES AND REQUIREMENTS
S.R. CLC/TS 50549-2:2015 REQUIREMENTS FOR GENERATING PLANTS TO BE CONNECTED IN PARALLEL WITH DISTRIBUTION NETWORKS - PART 2: CONNECTION TO A MV DISTRIBUTION NETWORK
BS EN 50327:2003 Railway applications. Fixed installations. Harmonisation of the rated values for converter groups and tests on converter groups
CEI EN 61850-9-1 : 2015 COMMUNICATION NETWORKS AND SYSTEMS IN SUBSTATIONS - PART 9-1: SPECIFIC COMMUNICATION SYSTEM MAPPINGS (SCSM) - SAMPLED VALUES OVER SERIAL UNIDIRECTIONAL MULTIDROP POINT TO POINT LINK
I.S. EN 62271-205:2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
CEI EN 60044-8 : 2004 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRASFORMERS
BS EN 61850-9-1:2003 Communication networks and systems in substations. Specific communication service mapping (SCSM) Sampled values over serial unidirectional multidrop point to point link
EN 62689-1:2016 Current and voltage sensors or detectors, to be used for fault passage indication purposes - Part 1: General principles and requirements
CLC/TS 50549-2:2015 Requirements for generating plants to be connected in parallel with distribution networks - Part 2: Connection to a MV distribution network
I.S. EN 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
CEI EN 60255-1 : 2011 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
CEI EN 62271-205 : 2012 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV
UNE-EN 60255-1:2010 Measuring relays and protection equipment -- Part 1: Common requirements
BS EN 61869-6:2016 Instrument transformers Additional general requirements for low-power instrument transformers
BS EN 62689-1:2016 Current and voltage sensors or detectors, to be used for fault passage indication purposes General principles and requirements
BS EN 62271-205:2008 High-voltage switchgear and controlgear Compact switchgear assemblies for rated voltages above 52 kV
I.S. EN 60255-1:2010 MEASURING RELAYS AND PROTECTION EQUIPMENT - PART 1: COMMON REQUIREMENTS
EN 50327 : 2003 AMD 1 2005 RAILWAY APPLICATIONS - FIXED INSTALLATIONS - HARMONISATION OF THE RATED VALUES FOR CONVERTER GROUPS AND TESTS ON CONVERTER GROUPS
EN 60255-1:2010 Measuring relays and protection equipment - Part 1: Common requirements
EN 60044-8:2002 Instrument transformers - Part 8: Electronic current transformers

IEC 60255-22-1:2007 Measuring relays and protection equipment - Part 22-1: Electrical disturbance tests - 1 MHz burst immunity tests
IEC 60038:2009 IEC standard voltages
IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 2 : Inductive voltage transformers
IEC 60255-11:2008 Measuring relays and protection equipment - Part 11: Voltage dips, short interruptions, variations and ripple on auxiliary power supply port
IEC 60694:1996+AMD1:2000+AMD2:2001 CSV Common specifications for high-voltage switchgear and controlgear standards
EN 50081-2:1993 Electromagnetic compatibility - Generic emission standard - Part 2: Industrial environment
IEC 60617-1:1985 Graphical symbols for diagrams. Part 1: General information, general index. Cross-reference tables
IEC 60255-5:2000 Electrical Relays - Part 5: Insulation coordination for measuring relays and protection equipment - Requirements and tests
IEC 60255-6:1988 Electrical relays - Part 6: Measuring relays and protection equipment
IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
CISPR 11:2015 RLV Industrial, scientific and medical equipment - Radio-frequency disturbance characteristics - Limits and methods of measurement
IEC 60186:1987 Voltage transformers
IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules

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