• NF EN 60044-1 : 2000 AMD 2 2003

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 1: CURRENT TRANSFORMERS

    Available format(s): 

    Superseded date:  21-10-2016

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Association Francaise de Normalisation

    Sorry this product is not available in your region.

    Add To Cart

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

    Foreword
    1 General
       1.1 Scope
       1.2 Normative references
    2 Definitions
       2.1 General definitions
       2.2 Additional definitions for measuring
            current transformers
       2.3 Additional definitions for protective
            current transformers
    3 Normal and special service conditions
       3.1 Normal service conditions
       3.2 Special service conditions
       3.3 System earthing
    4 Ratings
       4.1 Standard values of rated primary currents
       4.2 Standard values of rated secondary currents
       4.3 Rated continuous thermal current
       4.4 Standard values of rated output
       4.5 Short-time current ratings
       4.6 Limits of temperature rise
    5 Design requirements
       5.1 Insulation requirements
       5.2 Mechanical requirements
    6 Classification of tests
       6.1 Type tests
       6.2 Routine tests
       6.3 Special tests
    7 Type tests
       7.1 Short-time current tests
       7.2 Temperature-rise test
       7.3 Impulse tests on primary winding
       7.4 Wet test for outdoor type transformers
       7.5 Radio interference voltage measurements
    8 Routine tests
       8.1 Verification of terminal markings
       8.2 Power-frequency withstand tests on primary
            windings and partial discharge measurement
       8.3 Power-frequency withstand tests between
            sections of primary and secondary windings
            and on secondary windings
       8.4 Inter-turn overvoltage test
    9 Special tests
       9.1 Chopped impulse test on primary winding
       9.2 Measurement of capacitance and dielectric
            dissipation factor
       9.3 Mechanical tests
       9.4 Transmitted overvoltages measurement
    10 Markings
       10.1 Terminal markings - General rules
       10.2 Rating plate markings
    11 Additional requirements for measuring current
       transformers
       11.1 Accuracy class designation for measuring
            current transformers
       11.2 Limits of current error and phase
            displacement for measuring current
            transformers
       11.3 Extended current ratings
       11.4 Type tests for accuracy of measuring
            current transformers
       11.5 Routine tests for accuracy of measuring
            current transformers
       11.6 Instrument security current
       11.7 Marking of the rating plate of a
            measuring current transformer
    12 Additional requirements for protective current
       transformers
       12.1 Standard accuracy limit factors
       12.2 Accuracy classes for protective current
            transformer
       12.3 Limits of errors for protective current
            transformers
       12.4 Type and routine tests for current error
            and phase displacement of protective
            current transformers
       12.5 Type tests for composite error
       12.6 Routine tests for composite error
       12.7 Marking of the rating plate of a
            protective current transformer
    13 Additional requirements for class PR protective
       current transformers
       13.1 Standard accuracy limit factors
       13.2 Accuracy classes for class PR protective
            current transformers
       13.3 Limits or error for class PR protective
            current transformers
       13.4 Type and routine tests for current error
            and phase displacement of class PR
            protective current transformers
       13.5 Marking of rating plate of class PR current
            transformers
    14 Additional requirements for class PX protective
       current transformers
       14.1 Specification of performance for class
            PX protective current transformers
       14.2 Insulation requirements for class PX
            protective current transformers
       14.3 Type tests for class PX protective current
            transformers
       14.4 Routine tests for class PX protective
            current transformers
       14.5 Marking of rating plate of class
            PX current transformers
    Annex A (normative) - Protective current transformers
    Annex B (informative) - Multiple chopped impulse test
    Annex ZA (normative) - Normative references to
                            international publications
                            with their corresponding
                            European publications
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Applicable to newly manufactured current transformers used with electrical measuring instruments and electrical protective devices at frequencies from 15Hz to 100 Hz. Also applicable to autotransformers, where appropriate.

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

    Development Note Indice de Classement: C42-544-1 PR NF EN 60044-1 September 2000. (01/2002)
    Document Type Standard
    Publisher Association Francaise de Normalisation
    Status Superseded
    Superseded By

    Standards Referenced By This Book - (Show below) - (Hide below)

    NF EN 62053-22 : 2003 AMD 1 2017 ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS PART 22: STATIC METERS FOR ACTIVE ENERGY (CLASSES 0,2 S AND 0,5 S)
    NF EN 60044-8 : 2006 INSTRUMENT TRANSFORMERS - PART 8: ELECTRONIC CURRENT TRANSDUCERS
    NF EN 61400-21 : 2009 WIND TURBINES - PART 21: MEASUREMENT AND ASSESSMENT OF POWER QUALITY CHARACTERISTICS OF GRID CONNECTED WIND TURBINES
    NF EN 62052-11 : 2003 AMD 1 2017 ELECTRICITY METERING EQUIPMENT (A.C.) - GENERAL REQUIREMENTS, TESTS AND TEST CONDITIONS - PART 11: METERING EQUIPMENT
    NF EN 62271-205 : 2008 HIGH-VOLTAGE SWITCHGEAR AND CONTROLGEAR - PART 205: COMPACT SWITCHGEAR ASSEMBLIES FOR RATED VOLTAGES ABOVE 52 KV

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

    HD 397 : 200S1 INTERPRETATION OF THE ANALYSIS OF GASES IN TRANSFORMERS AND OTHER OIL-FILLED ELECTRICAL EQUIPMENT IN SERVICE
    IEC 60038:2009 IEC standard voltages
    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    IEC 60028:1925 International standard of resistance for copper
    NF EN 60071-1 : 2006 AMD 1 2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
    NFC 41 101 : 1995 HIGH VOLTAGE TEST TECHNIQUES - PART 1: GENERAL DEFINITIONS AND TEST REQUIREMENTS
    IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    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
    UTEC 41 300 : 1968 GUIDE TO THE STUDY OF CONCEPTS INVOLVED IN PARTIAL DISCHARGE MEASUREMENTS
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    NFC 30 010 : 1930 CONDUCTORS - STANDARD ANNEALED COPPER: SPECIFICATION
    NFC 26 206 : 1985 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
    IEC 60121:1960 Recommendation for commercial annealed aluminium electrical conductor wire
    HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
    NF EN 60721-1 : 95 AMD 2 95 CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 1: ENVIRONMENTAL PARAMETERS AND THEIR SEVERITIES
    IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
    NF EN 60567 : 2012 OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    NFC 01 321 : 1987 ELECTROTECHNICAL VOCABULARY - CHAPTER 321 - INSTRUMENT TRANSFORMERS
    IEC 60071-1:2006+AMD1:2010 CSV Insulation co-ordination - Part 1: Definitions, principles and rules
    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective