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DD IEC PAS 60044-5 : DRAFT SEP 2002

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

INSTRUMENT TRANSFORMERS - PART 5: CAPACITOR VOLTAGE TRANSFORMERS
Withdrawn date

09-16-2004

Published date

11-23-2012

FOREWORD
1 Scope
2 Normative references
3 Definitions
   3.1 General definitions
   3.2 Capacitor voltage divider definitions
   3.3 Electromagnetic unit definitions
   3.4 Carrier-frequency accessories definitions
4 General requirements
5 Service conditions
   5.1 Normal service conditions
   5.2 Special service conditions
   5.3 System earthing
6 Ratings
   6.1 Standard values of rated frequency
   6.2 Standard values of rated voltages
   6.3 Standard values of rated output
   6.4 Standard values of rated voltage factor
   6.5 Limits of temperature rise
7 Design requirements
   7.1 Insulation requirements
   7.2 Other insulation requirements
   7.3 Short-circuit withstand capability
   7.4 Ferro-Resonance
   7.5 RIV and TO requirements
   7.6 Mechanical requirements
   7.7 Tightness of capacitor voltage divider and
        electromagnetic unit
8 Classification of tests
   8.1 Type tests
   8.2 Routine tests
   8.3 Special tests
   8.4 Test sequence for one or two units
9 Type Test
   9.1 Temperature-rise test
   9.2 Capacitance and tan d measurement at power-frequency
   9.3 Short-circuit withstand capability test
   9.4 Impulse tests
   9.5 Wet test for outdoor capacitor voltage transformer
   9.6 Ferro-resonance tests
   9.7 Tightness test of a liquid-filled electromagnetic unit
   9.8 Accuracy tests
   9.9 Transient response test
   9.10 Radio interference voltage test
10 Routine tests
   10.1 Tightness of the liquid-filled capacitor voltage divider
   10.2 Power-frequency withstand test and measurement of
        capacitance, tan [theta] and partial discharge
   10.3 Verification of terminal markings
   10.4 Power-frequency withstand tests on the electromagnetic
        unit
   10.5 Ferro-resonance check
   10.6 Accuracy check
11 Special Tests
   11.1 Measurement of the transmission factor of high frequency
        overvoltages
   11.2 Mechanical strength test
   11.3 Determination of the temperature coefficient (T[C])
   11.4 Tightness design test of capacitor units
12 Marking of the capacitor units
   12.1 General
   12.2 Marking
13 Terminal markings
   13.1 General
   13.2 Markings
14 Additional requirements for measuring capacitor voltage
   transformer
   14.1 Accuracy class designation
   14.2 Standard reference range of frequency
   14.3 Standard accuracy classes
   14.4 Limits of voltage error and phase displacement
   14.5 Tests for accuracy
15 Additional requirements for protective capacitor voltage
   transformers
   15.1 Accuracy class designation
   15.2 Standard reference range of frequency
   15.3 Standard accuracy classes
   15.4 Limits of voltage error and phase displacement
   15.5 Transient response
   15.6 Requirements for secondary windings intended to
        produce a residual voltage
16 Rating plate
   16.1 Markings of the rating plate
  Move cursor or press ? for help "CONTENTS.IECPAS60
   16.2 Example of a typical rating plate
17 Requirements for carrier - frequency accessories
   17.1 General
   17.2 Drain coil and voltage limitation device
   17.3 Type tests
   17.4 Routine tests
   17.5 Marking of the rating plate
Annex A (normative) Typical diagram of a capacitor voltage
        transformer
Annex B (informative) Transient response of capacitor voltage
        transformer under fault conditions
Annex C (normative) High-frequency characteristics of capacitor
        voltage transformers
Bibliography
Figures
Tables

Applicable to new single-phase capacitor voltage transformers connected between line and ground for system voltages Um[3] 72,5 kV at power frequencies from 15 Hz to 100 Hz. They are intended to supply a low voltage for measurement, control and protective functions.

Committee
PEL/38
DevelopmentNote
Supersedes 97/205054 DC (10/2002)
DocumentType
Draft
PublisherName
British Standards Institution
Status
Withdrawn
SupersededBy
Supersedes

Standards Relationship
IEC PAS 60044-5:2002 Identical

IEC 60038:2009 IEC standard voltages
IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
IEC 60481:1974 Coupling devices for power line carrier systems
IEC 60028:1925 International standard of resistance for copper
IEC 60050-601:1985 International Electrotechnical Vocabulary (IEV) - Part 601: Generation, transmission and distribution of electricity - General
IEC 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 2 : Inductive voltage transformers
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
IEC 60050-436:1990 International Electrotechnical Vocabulary (IEV) - Part 436: Power capacitors
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
CISPR 16-1:1999+AMD1:2002 CSV Specification for radio disturbance and immunity measuring apparatus and methods - Part 1: Radio disturbance and immunity measuring apparatus

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