IEC 60071-2 REDLINE : 4ED 2018

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Current The latest, up-to-date edition.

INSULATION CO-ORDINATION - PART 2: APPLICATION GUIDELINES

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Published date: 28-03-2018

Publisher: International Electrotechnical Committee

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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and symbols
4 Representative voltage stresses in service
5 Co-ordination withstand voltage
6 Required withstand voltage
7 Standard withstand voltage and testing procedures
8 Special considerations for overhead lines
9 Special considerations for substations
Annex A (informative) - Determination of temporary
        overvoltages due to earth faults
Annex B (informative) - Weibull probability distributions
Annex C (informative) - Determination of the representative
        slow-front overvoltage due to line energization and
        re-energization
Annex D (informative) - Transferred overvoltages in
        transformers
Annex E (informative) - Lightning overvoltages
Annex F (informative) - Calculation of air gap breakdown
        strength from experimental data
Annex G (informative) - Examples of insulation co-ordination
        procedure
Annex H (informative) - Atmospheric correction - Altitude
        correction
Annex I (informative) - Evaluation method of non-standard
        lightning overvoltage shape for representative
        voltages and overvoltages
Annex J (informative) - Insulation co-ordination for
        very-fast-front overvoltages in UHV substations
Bibliography

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Provides application guidelines and deals with the selection of insulation levels of equipment or installations for three-phase electrical systems.

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Committee	TC 28
Development Note	Also available in CD-ROM format. Stability Date: 2021. (03/2018)
Document Type	Standard
ISBN
Pages
Published
Publisher	International Electrotechnical Committee
Status	Current
Supersedes	IEC 60071-2:1996

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

IEC 62271-100:2008+AMD1:2012+AMD2:2017 CSV	High-voltage switchgear and controlgear - Part 100: Alternating-current circuit-breakers
IEC 60099-4:2014	Surge arresters - Part 4: Metal-oxide surge arresters without gaps for a.c. systems
IEC TR 60071-4:2004	Insulation co-ordination - Part 4: Computational guide to insulation co-ordination and modelling of electrical networks
ISO 2533:1975	Standard Atmosphere
IEC 60099-6:2002	Surge arresters - Part 6: Surge arresters containing both series and parallel gapped structures - Rated 52 kV and less
IEC 60505:2011	Evaluation and qualification of electrical insulation systems
IEC 60099-5:2013	Surge arresters - Part 5: Selection and application recommendations
IEC 62271-1:2017	High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
IEC 60099-8:2017	Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV
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
IEC 60071-1:2006+AMD1:2010 CSV	Insulation co-ordination - Part 1: Definitions, principles and rules
IEC TS 60815-1:2008	Selection and dimensioning of high-voltage insulators intended for use in polluted conditions - Part 1: Definitions, information and general principles

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