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I.S. EN 60071-1:2006

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES

Available format(s)

Hardcopy , PDF

Superseded date

29-10-2019

Superseded by

I.S. EN IEC 60071-1:2019

Language(s)

English

Published date

01-01-2006

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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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

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.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
48
PublisherName
National Standards Authority of Ireland
Status
Superseded
SupersededBy

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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