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CEI EN 60076-3 : 2015

Current
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

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

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.

Committee
CT 14
DevelopmentNote
Classificazione CEI 14-4/3. (06/2002)
DocumentType
Standard
Pages
132
PublisherName
Comitato Elettrotecnico Italiano
Status
Current
Supersedes

Standards Relationship
IEC 60076-3:2013 Identical
EN 60076-3:2013/A1:2018 Identical
IEC 60076-3:2013+AMD1:2018 CSV Identical

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 IEEE 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
IEEE C57.142 : 2010 GUIDE TO DESCRIBE THE OCCURRENCE AND MITIGATION OF SWITCHING TRANSIENTS INDUCED BY TRANSFORMERS, SWITCHING DEVICE, AND SYSTEM INTERACTION
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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