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  • CEI EN 61472 : 2014

    Current The latest, up-to-date edition.

    LIVE WORKING - MINIMUM APPROACH DISTANCES FOR AC 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:  01-01-2014

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    1 Scope
    2 Terms, definitions and symbols
    3 Methodology
    4 Factors influencing calculations
    5 Evaluation of risks
    6 Calculation of minimum approach
      distance D[A]
    Annex A (informative) - Ergonomic distance
    Annex B (informative) - Overvoltages
    Annex C (informative) - Dielectric strength of air
    Annex D (informative) - Gap factor k[g}
    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)

    Defines 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)

    Committee CT 78
    Development Note Classificazione CEI 78-4. (06/2005)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    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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