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IEC TR 62874:2015

Current
Current

The latest, up-to-date edition.

Guidance on the interpretation of carbon dioxide and 2-furfuraldehyde as markers of paper thermal degradation in insulating mineral oil
Available format(s)

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

Language(s)

English, English - French

Published date

05-05-2015

Publisher

International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Significance
4 Monitoring protocol
5 Typical values of paper ageing symptoms
6 Estimation of paper thermal degradation and ageing rate
7 Actions
Annex A (informative) - Typical values tables
Bibliography

IEC TR 62874:2015 is a Technical Report which provides guidance for the estimation of consumed thermal life of transformers' cellulosic insulators, through the analysis of some compound dissolved in the insulating mineral oil. A comparison between analytical results of 2-furfural (2-FAL) and carbon oxides and their correspondent typical values estimated for different families of equipment gives information on the estimated thermal degradation of papers.

Committee
TC 10
DevelopmentNote
Stability date: 2023. (05/2015)
DocumentType
Technical Report
Pages
23
PublisherName
International Electrotechnical Committee
Status
Current

Standards Relationship
PD IEC/TR 62874:2015 Identical

IEC 60076-7:2005 Power transformers - Part 7: Loading guide for oil-immersed power transformers
IEC 60599:2015 Mineral oil-filled electrical equipment in service - Guidance on the interpretation of dissolved and free gases analysis
IEC 60450:2004+AMD1:2007 CSV Measurement of the average viscometric degree of polymerization of new and aged cellulosic electrically insulating materials
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 60970:2007 Insulating liquids - Methods for counting and sizing particles
IEC 60666:2010 Detection and determination of specified additives in mineral insulating oils
IEC 60814:1997 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
IEC 61198:1993 Mineral insulating oils - Methods for the determination of 2-furfural and related compounds

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Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - English - French
PDF - English - French
PDF 3 Users - English - French
PDF 5 Users - English - French
PDF 9 Users - English - French
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