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    I.S. EN 60071-1:2006

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-10-2019

    Language(s):  English

    Published date:  01-01-2006

    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 Symbols and abbreviations
      4.1 General
      4.2 Subscripts
      4.3 Letter symbols
      4.4 Abbreviations
    5 Procedure for insulation co-ordination
      5.1 General outline of the procedure
      5.2 Determination of the representative voltages and
           overvoltages (U[rp])
      5.3 Determination of the co-ordination withstand
           voltages (U[cw])
      5.4 Determination of the required withstand
           voltage (U[rw])
      5.5 Selection of the rated insulation level
      5.6 List of standard rated short-duration power
           frequency withstand voltages
      5.7 List of standard rated impulse withstand voltages
      5.8 Ranges for highest voltage for equipment
      5.9 Environmental conditions
      5.10 Selection of the standard insulation level
      5.11 Background of the standard insulation levels
    6 Requirements for standard withstand voltage tests
      6.1 General requirements
      6.2 Standard short-duration power-frequency withstand
           voltage tests
      6.3 Standard impulse withstand voltage tests
      6.4 Alternative test situation
      6.5 Phase-to-phase and longitudinal insulation standard
           withstand voltage tests for equipment in range I
      6.6 Phase-to-phase and longitudinal insulation standard
           withstand voltage tests for equipment in range II
    Annex A (normative) Clearances in air to assure a specified
                           impulse withstand voltage installation
    Annex B (informative) Values of rated insulation levels for 1kV <
                           U[m] <= 245 kV for highest voltages for
                           equipment U[m] not standardized by IEC based
                           on current practice in some countries
    Annex ZA (normative) Normative references to international
                           publications with their corresponding
                           European publications
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applicable to three-phase a.c. systems having a highest voltage for equipment above 1 kV. It specifies the procedure for the selection of the rated withstand voltages for the phase-to-earth, phase-to-phase and longitudinal insulation of the equipment and the installations of these systems.

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    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 Superseded
    Superseded By

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

    IEC 60038:2009 IEC standard voltages
    IEC 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    EN 60099-4:2014 Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
    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 60507:2014 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    IEC 60721-2-2:2012 Classification of environmental conditions - Part 2-2: Environmental conditions appearing in nature - Precipitation and wind
    IEC 60633:1998+AMD1:2009+AMD2:2015 CSV Terminology for high-voltage direct current (HVDC) transmission
    IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
    EN 60071-2:1997 Insulation co-ordination - Part 2: Application guide
    IEC 60060-1:2010 High-voltage test techniques - Part 1: General definitions and test requirements
    IEC 60507:2013 Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c. systems
    EN 60633:1999/A2:2015 TERMINOLOGY FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) TRANSMISSION (IEC 60633:1998/A2:2015)
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