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

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Hardcopy , PDF

Language(s)

English

Published date

01-01-2013

Publisher

National Standards Authority of Ireland

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NATIONAL FOREWORD
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

Pertains to power transformers and provides details of the applicable dielectric tests and minimum dielectric test levels.

DevelopmentNote	2001 Edition Issued on 02/02/2006. Supersedes I.S. HD 398.3. (11/2009) 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	130
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
EN 60076-3:2013/A1:2018	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
EN 60060-1:2010	High-voltage test techniques - Part 1: General definitions and test requirements
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
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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I.S. EN 60076-3:2013

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

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