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    I.S. EN 61472:2013

    Current The latest, up-to-date edition.

    LIVE WORKING - MINIMUM APPROACH DISTANCES FOR A.C SYSTEMS IN THE VOLTAGE RANGE 72,5 KV TO 800 KV - A METHOD OF CALCULATION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2013

    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)

    National foreword
    FOREWORD
    1 Scope
    2 Terms, definitions and symbols
    3 Methodology
    4 Factors influencing calculations
    5 Evaluation of risks
    6 Calculation of minimum approach distance DA
    Annex A (informative) - Ergonomic distance
    Annex B (informative) - Overvoltages
    Annex C (informative) - Dielectric strength of air
    Annex D (informative) - Gap factor kg
    Annex E (informative) - Allowing for atmospheric conditions
    Annex F (informative) - Influence of floating conductive objects
            on the dielectric strength
    Annex G (informative) - Live working near contaminated, damaged
            or moist insulation
    Bibliography

    Abstract - (Show below) - (Hide below)

    Explains a method for calculating the minimum approach distances for live working, at maximum voltages between 72,5 kV and 800 kV.

    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 61477:2009 Live working - Minimum requirements for the utilization of tools, devices and equipment
    IEC 60743:2013 Live working - Terminology for tools, devices and equipment
    IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
    IEC 60050-651:2014 International Electrotechnical Vocabulary (IEV) - Part 651: Live working
    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
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