We noticed you’re not on the correct regional site. Switch to our AMERICAS site for the best experience.
  • IEC 60071-1:2006+AMD1:2010 CSV

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    Add to Watchlist
    This Standard has been added successfully to your Watchlist
    Please visit My Watchlist to see all standards that you are watching.
    Please log in or to add this standard to your Watchlist.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    We could not add this standard to your Watchlist.
    Please retry or contact support for assistance.
    You have already added this standard to your Watchlist.
    Visit My Watchlist to view the full list.

    Insulation co-ordination - Part 1: Definitions, principles and rules

    Available format(s):  Hardcopy, PDF 1 User, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Superseded date:  31-12-2021

    Language(s):  English, English - French

    Published date:  30-03-2011

    Publisher:  International Electrotechnical Committee

    Add to Watchlist

    Add To Cart

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and abbreviations
    5 Procedure for insulation co-ordination
    6 Requirements for standard withstand voltage tests
    Annex A (normative) - Clearances in air to assure a
            specified impulse withstand voltage installation
    Annex B (informative) - Values of rated insulation
            levels for 1 kV < U[M] = 245 kV for highest
            voltages for equipment U[M] not standardized
            by IEC based on current practice in some
            countries
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 60071-1:2006+A1:2010 applies 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. It also gives the lists of the standard withstand voltages from which the rated withstand voltages should be selected. This standard recommends that the selected withstand voltages should be associated with the highest voltage for equipment. This association is for insulation co-ordination purposes only. The requirements for human safety are not covered by this standard. Although the principles of this standard also apply to transmission line insulation, the values of their withstand voltages may be different from the standard rated withstand voltages. The apparatus committees are responsible for specifying the rated withstand voltages and the test procedures suitable for the relevant equipment taking into consideration the recommendations of this standard. NOTE In IEC 60071-2, Application Guide, all rules for insulation co ordination given in this standard are justified in detail, in particular the association of the standard rated withstand voltages with the highest voltage for equipment. When more than one set of standard rated withstand voltages is associated with the same highest voltage for equipment, guidance is provided for the selection of the most suitable set. It has the status of a horizontal standard in accordance with IEC Guide 108. This consolidated version consists of the eigth edition (2006) and its amendment 1 (2010). Therefore, no need to order amendment in addition to this publication.

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

    Committee TC 99
    Development Note Also numbered as BS EN 60071-1. (09/2005) Stability Date: 2017. (07/2015)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Superseded
    Superseded By
    Supersedes

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

    NF EN 62199 : 2004 BUSHINGS FOR D.C. APPLICATION
    UNE-EN 50124-1:2017 Railway applications - Insulation coordination - Part 1: Basic requirements - Clearances and creepage distances for all electrical and electronic equipment
    BS 7923(2004) : 2004 ELECTRIC CABLES - INTERNAL GAS-PRESSURE CABLES AND ACCESSORIES FOR ALTERNATING VOLTAGES UP TO AND INCLUDING 275 KV (U[M] = 300 KV) - REQUIREMENTS AND TEST METHODS
    BS EN 50482 : 2008 INSTRUMENT TRANSFORMERS - THREE-PHASE INDUCTIVE VOLTAGE TRANSFORMERS HAVING U[M] UP TO 52 KV
    CEI 18-66 : 2013 ELECTRICAL INSTALLATIONS IN SHIPS - PART 509: OPERATION OF ELECTRICAL INSTALLATIONS
    BS EN 61481-1 : 2014 LIVE WORKING - PHASE COMPARATORS - PART 1: CAPACITIVE TYPE TO BE USED FOR VOLTAGES EXCEEDING 1 KV A.C.
    BS EN 60143-4 : 2010 SERIES CAPACITORS FOR POWER SYSTEMS - PART 4: THYRISTOR CONTROLLED SERIES CAPACITORS
    BS PD IEC TR 62001 : 2009 HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS - GUIDEBOOK TO THE SPECIFICATION AND DESIGN EVALUATION OF A.C. FILTERS
    09/30187488 DC : DRAFT AUG 2009 BS EN 60076-16 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATION
    PD IEC/TR 61000-2-14:2006 (published 2006-01) Electromagnetic compatibility (EMC) Environment. Overvoltages on public electricity distribution networks
    CLC/TR 60919-2 : 2010 PERFORMANCE OF HIGH-VOLTAGE DIRECT CURRENT (HVDC) SYSTEMS WITH LINE-COMMUTATED CONVERTERS - PART 2: FAULTS AND SWITCHING
    I.S. EN 60726:2003 DRY-TYPE POWER TRANSFORMERS
    HD 633 S1:1997 TESTS ON OIL-FILLED (FLUID FILLED), PAPER- OR POLYPROPYLENE PAPER LAMINATED-INSULATED, METAL-SHEATHED CABLES AND ACCESSORIES FOR ALTERNATING VOLTAGES UP TO AND INCLUDING 400 KV (UM = 420 KV)
    BS EN 60034-15:2009 Rotating electrical machines Impulse voltage withstand levels of form-wound stator coils for rotating a.c. machines
    NF EN 61481 : 2001 AMD 2 2005 LIVE WORKING - PORTABLE PHASE COMPARATORS FOR USE ON VOLTAGES FROM 1 KV TO 36 KV A.C.
    07/30158043 DC : 0 BS EN 62501 - ELECTRICAL TESTING OF VOLTAGE SOURCE CONVERTER (VSC) VALVES FOR HIGH-VOLTAGE DIRECT CURRENT (HVDC) POWER TRANSMISSION
    BS EN 60168 : 1995 TESTS ON INDOOR AND OUTDOOR POST INSULATORS OF CERAMIC MATERIAL OR GLASS FOR SYSTEMS WITH NOMINAL VOLTAGES GREATER THAN 1 KV
    BS EN 61481-2:2014 LIVE WORKING - PHASE COMPARATORS - PART 2: RESISTIVE TYPE TO BE USED FOR VOLTAGES FROM 1 KV TO 36 KV A.C.
    97/208495 DC : DRAFT JUL 1997 IEC 61640 - HV GAS-INSULATED TRANSMISSION LINES FOR RATED VOLTAGES OF 72,5 KV AND ABOVE
    CEI 20-71 : 2003 TESTS ON OIL-FILLED (FLUID FILLED), PAPER- AND PPL-INSULATED, METAL-SHEATHED CABLES AND ACCESSORIES FOR ALTERNATING VOLTAGES UP TO AND INCLUDING 400 KV (UM = 420 KV)