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    I.S. EN 62475:2010

    Current The latest, up-to-date edition.

    HIGH-CURRENT TEST TECHNIQUES - DEFINITIONS AND REQUIREMENTS FOR TEST CURRENTS AND MEASURING SYSTEMS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2010

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Procedures for qualification and use of a measuring system
    5 Tests and test requirements for an approved measuring system
    6 Steady-state direct current
    7 Steady-state alternating current
    8 Short-time direct current
    9 Short-time alternating current
    10 Impulse currents
    11 Current measurement in high-voltage dielectric testing
    12 Reference measuring systems
    Annex A (informative) - Uncertainty of measurement
    Annex B (informative) - Examples of the uncertainty calculation
            in high-current measurements
    Annex C (informative) - Step-response measurements
    Annex D (informative) - Convolution method for estimation of
            dynamic behaviour from step-response measurements
    Annex E (informative) - Constraints for certain wave shapes
    Annex F (informative) - Temperature rise of measuring resistors
    Annex G (informative) - Determination of r.m.s. values of
            short-time a.c. current
    Annex H (informative) - Examples of IEC standards with high
            current tests
    Bibliography
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Pertains to high-current testing and measurements on both high-voltage and low-voltage equipment.

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

    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    IEC 62271-110:2017 High-voltage switchgear and controlgear - Part 110: Inductive load switching
    IEC 62271-105:2012 High-voltage switchgear and controlgear - Part 105: Alternating current switch-fuse combinations for rated voltages above 1 kV up to and including 52 kV
    IEC 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    IEC 60050-151:2001 International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
    EN 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 62271-101:2012 High-voltage switchgear and controlgear - Part 101: Synthetic testing
    IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
    IEC 60282-1:2009+AMD1:2014 CSV High-voltage fuses - Part 1: Current-limiting fuses
    IEC 61643-21:2000+AMD1:2008+AMD2:2012 CSV Low voltage surge protective devices - Part 21: Surge protective devices connected to telecommunications and signalling networks - Performance requirements and testing methods
    IEC 62305-1:2010 Protection against lightning - Part 1: General principles
    IEC 60051-2:1984 Direct acting indicating analogue electrical measuring instruments and their accessories. Part 2: Special requirements for ammeters and voltmeters
    ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
    IEC 61180-2:1994 High-voltage test techniques for low-voltage equipment - Part 2: Test equipment
    IEC 61643-1:2005 Low-voltage surge protective devices - Part 1: Surge protective devices connected to low-voltage power distribution systems - Requirements and tests
    IEC 62271-103:2011 High-voltage switchgear and controlgear - Part 103: Switches for rated voltages above 1 kV up to and including 52 kV
    IEC 60947-1:2007+AMD1:2010+AMD2:2014 CSV Low-voltage switchgear and controlgear - Part 1: General rules
    IEC 61643-11:2011 Low-voltage surge protective devices - Part 11: Surge protective devices connected to low-voltage power systems - Requirements and test methods
    IEC 61230:2008 Live working - Portable equipment for earthing or earthing and short-circuiting
    IEC 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
    IEC 60050-321:1986 International Electrotechnical Vocabulary (IEV) - Part 321: Instrument transformers
    IEC 61083-2:2013 Instruments and software used for measurement in high-voltage and high-current tests - Part 2: Requirements for software for tests with impulse voltages and currents
    IEC 60947-3:2008+AMD1:2012+AMD2:2015 CSV Low-voltage switchgear and controlgear - Part 3: Switches, disconnectors, switch-disconnectors and fuse-combination units
    IEC 61180-1:1992 High-voltage test techniques for low voltage equipment - Part 1: Definitions, test and procedure requirements
    IEC 60947-2:2016 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 61083-1:2001 Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments
    IEC 60050-300:2001 International Electrotechnical Vocabulary (IEV) - Part 300: Electrical and electronic measurements and measuring instruments - Part 311: General terms relating to measurements - Part 312: General terms relating to electrical measurements - Part 313: Types of electrical measuring instruments - Part 314: Specific terms according to the type of instrument
    EN 60051-2:1989 Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters
    EN 61180-1:1994 High-voltage test techniques for low-voltage equipment - Part 1: Definitions, test and procedure requirements
    IEC 62271-104:2015 High-voltage switchgear and controlgear - Part 104: Alternating current switches for rated voltages higher than 52 kV
    IEC 62271-102:2001+AMD1:2011+AMD2:2013 CSV High-voltage switchgear and controlgear - Part 102: Alternatingcurrent disconnectors and earthing switches
    ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
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