• CEI EN 60076-3 : 2015

    Current The latest, up-to-date edition.

    POWER TRANSFORMERS - PART 3: INSULATION LEVELS, DIELECTRIC TESTS AND EXTERNAL CLEARANCES IN AIR

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2015

    Publisher:  Comitato Elettrotecnico Italiano

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

    FOREWORD
    INTRODUCTION
    1. Scope
    2. Normative references
    3. Terms and definitions
    4. General
    5. Highest voltage for equipment and
        rated insulation level
    6. Transformers with re-connectable
        windings
    7. Dielectric tests
    8. Dielectric tests on transformers that
        have been in service
    9. Insulation of auxiliary wiring (AuxW)
    10. Applied voltage test (AV)
    11. Induced voltage tests (IVW and IVPD)
    12. Line terminal AC withstand test (LTAC)
    13. Lightning impulse tests (LI, LIC, LIN, LIMT)
    14. Switching impulse test (SI)
    15. Action following test failure
    16. External clearances in air
    Annex A (informative) - Application guide for
            partial discharge measurements on
            Transformers
    Annex B (informative) - Overvoltage transferred
            from the high-voltage winding to a low
            voltage Winding
    Annex C (informative) - Information on transformer
            insulation and dielectric tests to be supplied
            with an enquiry and with an order
    Annex D (informative) - Neutral insulation voltage
            level calculation
    Annex E (informative) - Basis for dielectric tests,
            insulation levels and clearances
    Bibliography
    Annex ZA (normative) - Normative references to
             international publications with their
             corresponding European publications

    Abstract - (Show below) - (Hide below)

    Describes the power transformers as defined by and in the scope of IEC 60076-1. It gives details of the applicable dielectric tests and minimum dielectric test levels.

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

    Committee CT 14
    Development Note Classificazione CEI 14-4/3. (06/2002)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Supersedes

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

    IEC 60060-2:2010 High-voltage test techniques - Part 2: Measuring systems
    IEC 60270:2000+AMD1:2015 CSV High-voltage test techniques - Partial discharge measurements
    CEI 42-3 : 2ED 1997
    EN 60060-1 : 2010 HIGH-VOLTAGE TEST TECHNIQUES - PART 1: GENERAL DEFINITIONS AND TEST REQUIREMENTS
    CEI 14-41 : 2011 TAP-CHANGERS - PART 2: APPLICATION GUIDE
    IEEE C57.12.00 : 2015 STANDARD FOR GENERAL REQUIREMENTS FOR LIQUID-IMMERSED DISTRIBUTION, POWER, AND REGULATING TRANSFORMERS
    EN 60270:2001/A1:2016 HIGH-VOLTAGE TEST TECHNIQUES - PARTIAL DISCHARGE MEASUREMENTS (IEC 60270:2000/A1:2015)
    IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
    EN 60060-2:2011 HIGH-VOLTAGE TEST TECHNIQUES - PART 2: MEASURING SYSTEMS
    IEC 60050-421:1990 International Electrotechnical Vocabulary (IEV) - Part 421: Power transformers and reactors
    IEC 60076-1:2011 Power transformers - Part 1: General
    EN 60071-1:2006/A1:2010 INSULATION CO-ORDINATION - PART 1: DEFINITIONS, PRINCIPLES AND RULES
    EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
    IEC 62271-1:2017 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
    IEC 60071-2:1996 Insulation co-ordination - Part 2: Application guide
    IEC 61083-2:2013 Instruments and software used for measurement in high-voltage and high-current tests - Part 2: Requirements for software for tests with impulse voltages and currents
    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
    CEI 36-2 : 3ED 1987
    IEC 61083-1:2001 Instruments and software used for measurement in high-voltage impulse tests - Part 1: Requirements for instruments
    IEC 60214-1:2014 Tap-changers - Part 1: Performance requirements and test methods
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