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BS EN 60076-2:2011

BS EN 60076-2:2011

Current

Current

The latest, up-to-date edition.

Power transformers Temperature rise for liquid-immersed transformers

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-31-2011

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Terms and definitions
4 Cooling methods
5 Normal cooling conditions
6 Temperature rise limits
7 Temperature rise tests
Annex A (informative) - Hot-spot winding temperature
        rise determination for OFAF and OFWF cooled
        transformers based on the top-liquid temperature
        in tank
Annex B (informative) - Methods to estimate the hot-spot
        winding temperature rises
Annex C (informative) - Techniques used in temperature rise
        testing of liquid-immersed transformers
Annex D (informative) - Dissolved gases analysis for the
        detection of local overheating
Annex E (informative) - Application of optical fibre sensors for
        winding hot-spot measurements
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Pertains to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature rise tests.

IEC 60076-2:2011 applies to liquid-immersed transformers, identifies power transformers according to their cooling methods, defines temperature rise limits and gives the methods for temperature rise tests. This new edition includes the following significant technical changes with respect to the previous edition:
- the winding hot-spot temperature rise limit was introduced among the prescriptions;
- the procedures for the temperature rise test were improved in relation to the new thermal requirements;
- five informative annexes were added in order to facilitate the implementation of this standard.

Committee
PEL/14
DevelopmentNote
Supersedes BS 171-2(1978) & 90/22319 DC. (09/2005) Supersedes 07/30170365 DC. (06/2011)
DocumentType
Standard
Pages
52
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
SN EN 60076-2 : 1997 Identical
UNE-EN 60076-2:2013 Identical
NBN EN 60076-2 : 2011 Identical
DIN EN 60076-2 : 2012 Identical
IEC 60076-2:2011 Identical
NF EN 60076-2 : 2011 Identical
EN 60603-7-4:2005 Identical
EN 60076-2:2011 Identical

IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
EN 60085:2008 Electrical insulation - Thermal evaluation and designation
IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
IEEE C57.91-2011 REDLINE IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
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 60076-8:1997 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 GUIDE 115:2007 Application of uncertainty of measurement to conformity assessment activities in the electrotechnical sector
EN 61181:2007/A1:2012 MINERAL OIL-FILLED ELECTRICAL EQUIPMENT - APPLICATION OF DISSOLVED GAS ANALYSIS (DGA) TO FACTORY TESTS ON ELECTRICAL EQUIPMENT (IEC 61181:2007/A1:2012)
IEC 60076-1:2011 Power transformers - Part 1: General
CLC/TR 50462:2008 Rules for the determination of uncertainties in the measurement of the losses on power transformers and reactors
EN 60076-1:2011 POWER TRANSFORMERS - PART 1: GENERAL (IEC 60076-1:2011)
IEC 61181:2007+AMD1:2012 CSV Mineral oil-filled electrical equipment - Application of dissolved gas analysis (DGA) to factory tests on electrical equipment

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Hardcopy - English
PDF - English
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