• BS EN 60044-5 : 2004

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 5: CAPACITOR VOLTAGE TRANSFORMERS

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-04-2012

    Language(s):  English

    Published date:  01-01-2004

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    1 Scope
    2 Normative references
    3 Terms and 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 Electromagnetic emission 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[delta] 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[delta] 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
            over voltages
       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
       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 for carrier frequency accessories
       17.4 Routine tests for carrier frequency accessories
       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
    Annex ZA (normative) Normative references to international
                         publications with their corresponding
                         European publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applies to new single-phase capacitor voltage transformers connected between line and ground for system voltages U[m] >= 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.

    General Product Information - (Show below) - (Hide below)

    Committee PEL/38
    Development Note Supersedes DD IEC/PAS 60044-5. Together with BS EN 60044-2 supersedes BS 3941(1975). (09/2004)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 60044-2:1999/A2:2003 INSTRUMENT TRANSFORMERS - PART 2: INDUCTIVE VOLTAGE TRANSFORMERS
    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 62155:2003 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1 000 V
    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 62155 : 2003 HOLLOW PRESSURIZED AND UNPRESSURIZED CERAMIC AND GLASS INSULATORS FOR USE IN ELECTRICAL EQUIPMENT WITH RATED VOLTAGES GREATER THAN 1000 V
    IEC 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
    HD 597 S1:1992/corrigendum:1992 COUPLING CAPACITORS AND CAPACITOR DIVIDERS
    IEC 60044-2:1997+AMD1:2000+AMD2:2002 CSV Instrument transformers - Part 2 : Inductive voltage transformers
    HD 588.1 : S1 AMD 1 HIGH VOLTAGE TEST TECHNIQUES - GENERAL DEFINITIONS AND TEST REQUIREMENTS
    HD 472 S1:1989/AC:2013 NOMINAL VOLTAGES FOR LOW-VOLTAGE PUBLIC ELECTRICITY SUPPLY SYSTEMS
    EN 60270:2001/A1:2016 HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015)
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
    EN 60071-1:2006/A1:2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
    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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