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IEC 60186:1987

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Voltage transformers
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

04-14-2004

Published date

01-01-1987

FOREWORD
PREFACE
CHAPTER I: GENERAL REQUIREMENTS APPLICABLE TO ALL VOLTAGE
           TRANSFORMERS
SECTION ONE - GENERAL
Clause
1 Scope
2 General requirements
3 Service conditions
4 Definitions
SECTION TWO - RATING AND PERFORMANCE REQUIREMENTS APPLICABLE TO
              ALL VOLTAGE TRANSFORMERS
5 Standard values of rated voltages
6 Standard values of rated output
7 Standard values of rated voltage factor
8 Limits of temperature rise
9 Insulation requirements
9a Short-circuit withstand capability
SECTION THREE - TESTS - GENERAL
10 Classification of tests
SECTION FOUR - TYPE TESTS
11 Temperature-rise test
12 Short-circuit withstand capability test
13 Impulse tests on primary winding
14 Wet test for outdoor type transformers
SECTION FIVE - ROUTING TESTS
15 Verification of terminal markings
16 Power-frequency tests on primary windings and measurement of
    partial discharges
17 Power-frequency tests between sections and on secondary
    windings
SECTION SIX - SPECIAL TESTS
18 Chopped lightning-impulse test on primary windings
SECTION SEVEN - MARKING
19 Rating plate markings
SECTION EIGHT - TERMINAL MARKINGS
20 General
21 Markings
CHAPTER II: ADDITIONAL REQUIREMENTS FOR SINGLE-PHASE MEASURING
            VOLTAGE TRANSFORMERS
SECTION NINE - GENERAL
22 Scope
23 Definitions
SECTION TEN - ACCURACY REQUIREMENTS
24 Accuracy class designation
25 Limits of voltage error and phase displacement
SECTION ELEVEN - TESTS FOR ACCURACY
26 Type tests
26a Routing tests
SECTION TWELVE - MARKING
27 Marking of the rating plate of a measuring voltage
    transformer
SECTION THIRTEEN - GENERAL
28 Scope
29 Definitions
SECTION FOURTEEN - ACCURACY REQUIREMENTS
30 Accuracy class designation
31 Limits of voltage error and phase displacement
SECTION FIFTEEN - REQUIREMENTS FOR SECONDARY WINDINGS INTENDED
                  TO PRODUCE A RESIDUAL VOLTAGE
32 Rated secondary voltages
33 Rated output
34 Accuracy class
SECTION SIXTEEN - TESTS FOR ACCURACY
35 Type tests
36 Routine tests
SECTION SEVENTEEN - MARKING
37 Marking of the rating plate of a protective voltage
    transformer
CHAPTER IV: ADDITIONAL REQUIREMENTS FOR CAPACITOR VOLTAGE
            TRANSFORMERS
SECTION EIGHTEEN - GENERAL
38 Scope
39 General requirements
40 Definitions
SECTION NINETEEN - RATING AND PERFORMANCE REQUIREMENTS
41 Standard reference range of frequency
42 Standard values of rated output
SECTION TWENTY - ACCURACY REQUIREMENTS
43 Standard accuracy classes
44 Limits of voltage error and phase displacement
SECTION TWENTY-ONE - EFFECTS OF TRANSIENTS
45 Ferro-resonance
46 Transient response
SECTION TWENTY-TWO - COUPLING DEVICE
47 Carrier-frequency coupling device
SECTION TWENTY-THREE - TESTS
48 General
SECTION TWENTY-FOUR - TYPE TESTS
49 Temperature-rise test
50 Impulse tests
51 Ferro-resonance tests
52 Transient response tests
53 Tests for accuracy
SECTION TWENTY-FIVE - ROUTING TESTS
54 Power-frequency tests
55 Tests for accuracy
SECTION TWENTY-SIX - MARKING
56 Marking of the rating plate of a capacitor voltage
    transformer
FIGURES
APPENDIX A - Typical and equivalent diagrams for a capacitor
             voltage transformer
APPENDIX B - Main condition allowing tests on the equivalent
             circuit
APPENDIX C - Burdens for the transient response test
APPENDIX D - Use of the equivalent circuit for the routing tests
             for accuracy

Applies to new voltage transformers for use with electricalmeasuring instruments and electrical protective devices atfrequencies from 15 Hz to 100 Hz.The general requirements apply to all voltage transformers, but,for certain types, e.g. capacitor voltage transformers, therequirements are subject to the modifications stated in theappropriate chapter. Although the requirements relate basically totransformers with separate windings, they are also applicable,where appropriate, to autotransformers. The standard does not applyto transformers for use in laboratories.The requirements for inductive voltage transformers are supersededby IEC 60044-2 (1997).

DevelopmentNote
BS DRAFT 93/206129 DC. SUPERSEDED BY IEC 60044 PT2 BUT REMAINS CURRENT UNTIL FURTHER NOTICE
DocumentType
Standard
Pages
139
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
DIN 42600-1:2013-10 Identical
BS 3941:1975 Similar to
CEI 38-2 : 3ED 1998 Identical
NEN 10186 : 1994 Identical
VDE 0414-2 : 99 AMD 1 2001 Identical
CEI 38-5 : 1ED 1998 Identical
BS 7729:1994 Similar to
HD 554 : 200S1 Similar to

BS 7400(1991) : 1991 AMD 7672 SPECIFICATION FOR ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
NF EN 61116 : 2003 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
BS EN 60618:1999 Inductive voltage dividers
BS EN 60687:1993 Specification for alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S)
I.S. EN 60726:2003 DRY-TYPE POWER TRANSFORMERS
BS EN 61036:1997 Alternating current static watt-hour meters for active energy (classes 1 and 2)
BS 5862(1980) : 1980 AMD 10232 METHOD OF SPECIFYING INDUCTIVE VOLTAGE DIVIDERS
CEI EN 61116 : 1996 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
I.S. EN 61116:1995 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
IEC 60687:1992 Alternating current static watt-hour meters for active energy (classes 0,2 S and 0,5 S)
EN 61268:1996 Alternating current static var-hour meters for reactive energy (classes 2 and 3)
HD 597 S1:1992/corrigendum:1992 COUPLING CAPACITORS AND CAPACITOR DIVIDERS
EN 60687:1992/corrigendum:1993 ALTERNATING CURRENT STATIC WATT HOUR METERS FOR ACTIVE ENERGY (CLASSES 0.2S AND 0.5S)
EN 60618:1997/A2:1997 INDUCTIVE VOLTAGE DIVIDERS
EN 60726:2003 Dry-type power transformers
UNE-IEC/TR 61869-102:2018 IN Instrument transformers - Part 102: Ferroresonance oscillations in substations with inductive voltage transformers
BS EN 45510-2-7:2002 Guide for the procurement of power station equipment. Electrical equipment Switchgear and controlgear
BS DD8431(2005) : 2005 ELECTRICAL STATIC METERS FOR SECONDARY METERING AND SUB-METERING - SPECIFICATION
98/232755 DC : DRAFT DEC 1998 IEC 61936-1 - POWER INSTALLATIONS EXCEEDING 1 KV A.C. - PART 1: COMMON RULES
I.S. EN 62271-100:2009 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 100: ALTERNATING-CURRENT CIRCUIT-BREAKERS
I.S. EN 60618:1999 INDUCTIVE VOLTAGE DIVIDERS
IEC 61400-12-0:1998 Wind turbine generator systems - Part 12: Wind turbine power performance testing
DIN EN 61400-12 : 1999 WIND TURBINE GENERATOR SYSTEMS - PART 12: WIND TURBINES POWER PERFORMANCE TESTING
VDE 0414-44-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
DIN EN 60044-7 : 2000 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
VDE 0127-12 : 1999 WIND TURBINE GENERATOR SYSTEMS - PART 12: WIND TURBINES POWER PERFORMANCE TESTING
BS 923-4:1980 Guide on high-voltage testing techniques Application guide for measuring devices
CEI EN 60044-7 : 2001 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
BS 5622-1:1979 Guide for insulation co-ordination Terms, definitions, principles and rules
94/712993 DC : DRAFT NOV 1994 PREN 45511 - GUIDE FOR PROCUREMENT - ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
BS 171-1:1978 Power transformers General
EN 60044-7:2000 Instrument transformers - Part 7: Electronic voltage transformers
I.S. HD 597:2003 COUPLING CAPACITORS AND CAPACITOR DIVIDERS
I.S. EN 61036:1997 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
CEI EN 60041 : 1997 FIELD ACCEPTANCE TESTS TO DETERMINE THE HYDRAULIC PERFORMANCE OF HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP-TURBINES
IEC TR 61869-102:2014 Instrument transformers - Part 102: Ferroresonance oscillations in substations with inductive voltage transformers
UNE-EN 62271-100:2011 High-voltage switchgear and controlgear -- Part 100: Alternating-current circuit-breakers
BS EN 61400-12:1998 Wind turbine generator systems Wind turbine power performance testing
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 60044-7:2000 Instrument transformers Electronic voltage transformers
96/210385 DC : 0 CLC/BTTF 68-6 (SEC)8 - MEASUREMENT GUIDE FOR VOLTAGE CHARACTERISTICS
DIN EN 61268 : 1996 ALTERNATING CURRENT STATIC VAR-HOUR METERS FOR REACTIVE ENERGY (CLASSES 2 AND 3)
PD IEC/TR 61869-102:2014 Instrument transformers Ferroresonance oscillations in substations with inductive voltage transformers
BS EN 60726:2003 Dry-type power transformers
CSA C60044-7 : 2007 : R2016 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
BS EN 61268:1996 Alternating current static var-hour meters for reactive energy (classes 2 and 3)
CSA C60044-7 : 2007 : R2011 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
UNI CEI EN 45510-2-7 : 2011 GUIDE FOR PROCUREMENT OF POWER STATION EQUIPMENT - PART 2-7: ELECTRICAL EQUIPMENT - SWITCHGEAR AND CONTROLGEAR
CSA C60044-7 : 2007 INSTRUMENT TRANSFORMERS - PART 7: ELECTRONIC VOLTAGE TRANSFORMERS
BS EN 62271-100 : 2009 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 100: ALTERNATING-CURRENT CIRCUIT-BREAKERS (IEC 62271-100:2008)
IEC 61116:1992 Electromechanical equipment guide for small hydroelectric installations
IEC 61268:1995 Alternating current static var-hour meters for reactive energy (classes 2 and 3)
IEC 60044-7:1999 Instrument transformers - Part 7: Electronic voltage transformers
EN 45510-2-7:2002 Guide for procurement of power station equipment - Part 2-7: Electrical equipment - Switchgear and controlgear
BS 7628:1993 Specification for combined transformers
BS 7578:1992 Coupling capacitors and capacitor dividers
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)
IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
EN 61036:1996/A1:2000 ALTERNATING CURRENT STATIC WATT-HOUR METERS FOR ACTIVE ENERGY (CLASSES 1 AND 2)
EN 61116:1994 Electromechanical equipment guide for small hydroelectric installations

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