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HD 553 : 200S2

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

CURRENT TRANSFORMERS
Superseded date

08-01-1999

Published date

01-12-2013

CHAPTER I: GENERAL REQUIREMENTS APPLICABLE TO ALL CURRENT
           TRANSFORMERS
SECTION ONE - GENERAL
1 Scope
2 Service conditions
3 Definitions
SECTION TWO - RATING AND PERFORMANCE REQUIREMENTS APPLICABLE
              TO ALL CURRENT TRANSFORMERS
4 Standard values of rated primary current
5 Standard values of rated secondary current
6 Rated continuous thermal current
7 Standard values of rated output
8 Short-time current ratings
9 Limits of temperature rise
10 Insulation requirements
SECTION THREE - TESTS - GENERAL
11 Classification of tests
SECTION FOUR - TYPE TESTS
12 Short-time current tests
13 Temperature-rise test
14 Impulse tests on primary windings
15 Wet test for outdoor type transformers
SECTION FIVE - ROUTINE TESTS
16 Verification of terminal markings
17 Power-frequency tests on primary windings and measurement
   of partial discharges
18 Power-frequency tests between sections of primary and
   secondary windings and on secondary windings
19 Test of interturn insulation
SECTION SIX - SPECIAL TESTS
20 Chopped lightning-impulse test on primary windings
21 Measurement of dielectric dissipation factor
SECTION SEVEN - MARKING
22 Terminal markings - General rules
23 Rating plate markings
CHAPTER II: ADDITIONAL REQUIREMENTS FOR MEASURING CURRENT
            TRANSFORMERS
SECTION EIGHT - GENERAL
24 Scope
25 Definitions
SECTION NINE - ACCURACY REQUIREMENTS
26 Accuracy class designation
27 Limits of current error and phase displacement
28 Extended current rating
SECTION TEN - TESTS FOR ACCURACY
29 Type tests
30 Routine tests
31 Instrument security current
SECTION ELEVEN - MARKING
32 Marking of the rating plate of a measuring current
   transformer
CHAPTER III: ADDITIONAL REQUIREMENTS FOR PROTECTIVE CURRENT
             TRANSFORMERS
SECTION TWELVE - GENERAL
33 Scope
34 Definitions
SECTION THIRTEEN - ACCURACY REQUIREMENTS
35 Standard accuracy limit factors
36 Accuracy classes
37 Limits of error
SECTION FOURTEEN - TESTS FOR ACCURACY
38 Type and routine tests for current error and phase
   displacement
39 Type tests for composite error
40 Routine tests for composite error
SECTION FIFTEEN - MARKING
41 Marking of the rating plate of a protective current
   transformer
APPENDIX A - Protective current transformers
Annex ZA (normative) Other international publications quoted
                       in this standard with the references of
                       the relevant European publications
Annex ZB (informative) B-Deviations
National annex NA (informative) Original IEC text amended by
                                CENELEC common modifications
National annex NB (informative) Cross-references

Applicable to newly manufactured current transformers for use with electrical measuring instruments and electrical protective devices at frequencies from 15 Hz to 100 Hz.

Committee
BTTF 56-3
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

Standards Relationship
NEN 10185 : 1994 Identical
CEI 38-1 : 3ED 1998 Identical
CEI 38-1 V1 : 1994 Identical
VDE 0414-1 : 2001 Identical

DD ENV 50231:1997 Aeronautical ground lighting electrical installation. Constant current regulator. Equipment specifications and tests
CEI EN 61116 : 1996 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
BS EN 50019:2000 Electrical apparatus for potentially explosive atmospheres. Increased safety \'e\'
I.S. EN 61116:1995 ELECTROMECHANICAL EQUIPMENT GUIDE FOR SMALL HYDROELECTRIC INSTALLATIONS
CEI EN 60041 : 1997 FIELD ACCEPTANCE TESTS TO DETERMINE THE HYDRAULIC PERFORMANCE OF HYDRAULIC TURBINES, STORAGE PUMPS AND PUMP-TURBINES
ENV 50231 : 1997 AVIATION GROUND LIGHTING ELECTRICAL INSTALLATION - CONSTANT CURRENT REGULATOR: EQUIPMENT SPECIFICATIONS AND TESTS
I.S. EN 50019:2001 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
EN 50019:2000/corrigendum Apr. 2003 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - INCREASED SAFETY "E"
EN 61116:1994 Electromechanical equipment guide for small hydroelectric installations

IEC 60038:2009 IEC standard voltages
IEC 60028:1925 International standard of resistance for copper
HD 540.2 : 200S1 INSULATION COORDINATION - APPLICATION GUIDE
HD 472 S1:1989/AC:2013 NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
IEC 60071-3:1982 Insulation co-ordination - Part 3: Phase-to-phase insulation co-ordination - Principles, rules and application guide
IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
IEC 60044-4:1980 Instrument transformers - Part 4: Measurement of partial discharges
IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules

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