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IEC TS 60076-14:2009

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials

Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

16-09-2013

Language(s)

English, Spanish, Castilian

Published date

13-05-2009

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Insulation materials
   4.1 General
   4.2 Ageing and lifetime of insulation materials
   4.3 Solid insulation
   4.4 Wire enamel insulation
   4.5 Insulating liquids
5 Insulation systems
   5.1 General
   5.2 Insulation system types
        5.2.1 Homogeneous high-temperature insulation
               system
        5.2.2 Hybrid insulation system
        5.2.3 Semi-hybrid insulation system
        5.2.4 Mixed insulation system
6 Temperature limits
7 Transformer accessories and compatibility
   7.1 General
   7.2 Bushings
   7.3 Tap-changer
   7.4 Gasket material
   7.5 Tank painting
   7.6 Coolers
   7.7 Pumps
   7.8 Tank and conservator
   7.9 Adhesives
   7.10 Current transformers
   7.11 Temperature gauges and indicators
   7.12 Protective relays
   7.13 Auxiliary cables
8 Special design considerations
   8.1 Short-circuit considerations
   8.2 Dielectric requirements
   8.3 Temperature requirements
   8.4 Overload
   8.5 Effects of harmonic currents
   8.6 Liquid preservation system
9 Required information
   9.1 Information to be provided by the purchaser
        9.1.1 Ambient temperatures and loading cycle
        9.1.2 Harmonic currents
        9.1.3 Other unusual service conditions
   9.2 Information to be provided by the manufacturer
        9.2.1 Thermal characteristics
        9.2.2 Reference temperature
        9.2.3 Guarantees
10 Rating plate and additional information
   10.1 Rating and warning plates
        10.1.1 Rating plate
        10.1.2 Warning plate
   10.2 Transformer manual
11 Testing
   11.1 General
   11.2 Requirements for routine, type and special tests
        11.2.1 General
        11.2.2 Routine tests
        11.2.3 Type tests
        11.2.4 Special tests
   11.3 Temperature-rise test
        11.3.1 General
        11.3.2 Evaluation of temperature-rise tests for
               mixed insulation systems
   11.4 Dielectric type tests
12 Supervision, diagnostics, and maintenance
   12.1 General
   12.2 Transformers filled with mineral insulating oil
   12.3 Transformers filled with high-temperature insulating
        liquids
Annex A (informative) Calculation of bubble generation
        temperature
Annex B (informative) A perspective of transformer
        temperatures from Tables 4 and 5
Bibliography

IEC 60076-14:2009(E) provides specification, design, testing and loading information for use by both the manufacturer and user of liquid-immersed power transformers employing either high-temperature insulation or combinations of high-temperature and conventional insulation. Is applicable to:
- power transformers designed in accordance with IEC 60076-1,
- convertor transformers designed to IEC 61378 series,
- arc furnace transformers,
- and covers the use of various liquid and solid insulation combinations. This new edition includes the following significant technical changes with respect to the previous edition:
- enhancement of insulation system descriptions;
- clarification of temperature rise limits
- and the addition of overload temperature limits.

Committee
TC 14
DevelopmentNote
Stability Date: 2013. (10/2012)
DocumentType
Technical Specification
Pages
44
PublisherName
International Electrotechnical Committee
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
UNE-IEC/TS 60076-14:2010 Identical
NEN NPR IEC/TS 60076-14 : 2009 Identical

09/30187488 DC : DRAFT AUG 2009 BS EN 60076-16 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATION
UNE-EN 61378-1:2012 Convertor transformers -- Part 1: Transformers for industrial applications
DD IEC/TS 62332-1:2011 Electrical insulation systems (EIS). Thermal evaluation of combined liquid and solid components General requirements
EN 61378-1:2011 Convertor transformers - Part 1: Transformers for industrial applications
13/30256030 DC : 0 BS IEC 62695 ED 1.0 - RAILWAY APPLICATIONS - FIXED INSTALLATIONS - TRACTION TRANSFORMERS
08/30178668 DC : DRAFT FEB 2008 BS EN 61378-1 - CONVERTER TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
I.S. EN 61039:2008 CLASSIFICATION OF INSULATING LIQUIDS
CEI EN 61378-1 : 2012 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS
IEC TS 62332-1:2011 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
17/30347375 DC : 0 BS EN 62368-1 ED 3.0 - AUDIO/VIDEO; INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
BS EN 60076-1:2011 Power transformers General
NF EN 61039 : 2008 CLASSIFICATION OF INSULATING LIQUIDS
BS EN 61378-1:2011 Convertor transformers Transformers for industrial applications
06/30157625 DC : 0 BS EN 61039 - GENERAL CLASSIFICATION OF INSULATING LIQUIDS
CEI EN 60076-1 : 2015 POWER TRANSFORMERS - PART 1: GENERAL
IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
IEC 61039:2008 Classification of insulating liquids
UNE-EN 60076-1:2013 Power transformers - Part 1: General
IEC 60076-1:2011 Power transformers - Part 1: General
BS EN 61039:2008 Classification of insulating liquids
BIS IS 13503 : 2013 CLASSIFICATION OF INSULATING LIQUIDS
CEI EN 61039 : 2009 CLASSIFICATION OF INSULATING LIQUIDS
12/30275045 DC : 0 BS EN 60076-15 - POWER TRANSFORMERS - PART 15: GAS-FILLED POWER TRANSFORMER
I.S. EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
I.S. EN 61378-1:2011 CONVERTOR TRANSFORMERS - PART 1: TRANSFORMERS FOR INDUSTRIAL APPLICATIONS (IEC 61378-1:2011)
EN 61039 : 2008 CLASSIFICATION OF INSULATING LIQUIDS
EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)

ISO 2719:2016 Determination of flash point — Pensky-Martens closed cup method
IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
IEEE 62-1995 IEEE Guide for Diagnostic Field Testing of Electric Power Apparatus - Part 1: Oil Filled Power Transformers, Regulators, and Reactors
IEC TS 62332-1:2011 Electrical insulation systems (EIS) - Thermal evaluation of combined liquid and solid components - Part 1: General requirements
IEC 61039:2008 Classification of insulating liquids
IEC 60422:2013 Mineral insulating oils in electrical equipment - Supervision and maintenance guidance
IEC 60050-212:2010 International Electrotechnical Vocabulary (IEV) - Part 212: Electrical insulating solids, liquids and gases
IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
IEC 60076-5:2006 Power transformers - Part 5: Ability to withstand short circuit
IEC 61100:1992 Classification of insulating liquids according to fire-point and net calorific value
IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
IEC 61099:2010 Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes
IEC 60076-4:1976 Power transformers - Part 4: Tappings and connections
IEC 60505:2011 Evaluation and qualification of electrical insulation systems
IEC 60076-8:1997 Power transformers - Part 8: Application guide
IEC 60836:2015 Specifications for unused silicone insulating liquids for electrotechnical purposes
IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
IEC 60296:2012 RLV Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
IEC 61629-1:1996 Aramid pressboard for electrical purposes - Part 1: Definitions, designations and general requirements
IEC 60970:2007 Insulating liquids - Methods for counting and sizing particles
IEC 60076-3:2013 Power transformers - Part 3: Insulation levels, dielectric tests and external clearances in air
IEC 60137:2017 Insulated bushings for alternating voltages above 1000 V
IEC 60076-1:2011 Power transformers - Part 1: General
IEC 60944:1988 Guide for the maintenance of silicone transformer liquids
IEC 60867:1993 Insulating liquids - Specifications for unused liquids based on synthetic aromatic hydrocarbons
IEC 61378-2:2001 Convertor transformers - Part 2: Transformers for HVDC applications
IEC 61378-3:2015 Converter transformers - Part 3: Application guide
IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
IEC 61203:1992 Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
IEEE 1276-1997 IEEE Guide for the Application of High-Temperature Insulation Materials in Liquid-Immersed Power Transformers
IEEE C57.147-2008 IEEE Guide for Acceptance and Maintenance of Natural Ester Fluids in Transformers
IEC 60216-1:2013 Electrical insulating materials - Thermal endurance properties - Part 1: Ageing procedures and evaluation of test results
IEC 61378-1:2011 Converter transformers - Part 1: Transformers for industrial applications
IEC 60851-4:2016 Winding wires - Test methods - Part 4: Chemical properties

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