Gas-in-oil analysis and evaluation criteria for synthetic esters in offshore and traction transformers

It is generally recognized that dissolved gas analysis (DGA) is a powerful tool in the diagnosis of insulating liquid filled power equipment. There exist numerous evaluating schemes for the mineral oil filled equipment, nevertheless, the experiences show that a fine tuning and revision of the scheme...

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Bibliographic Details
Published inIEEE electrical insulation magazine Vol. 36; no. 6; pp. 31 - 35
Main Authors Atanasova-Hohlein, Ivanka, Schutt, Carolin
Format Magazine Article
LanguageEnglish
Published New York IEEE 01.11.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
aramid insulation
correction factor for moisture
Dielectric liquids
Dissolved gases
Esters
evaluation criteria for synthetic esters
Gas analysis
gas-in-oil analysis
Gases
Mineral oils
Minerals
Moisture
Oil insulation
Oils
Power transformer insulation
synthetic ester
total gas content
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Summary:It is generally recognized that dissolved gas analysis (DGA) is a powerful tool in the diagnosis of insulating liquid filled power equipment. There exist numerous evaluating schemes for the mineral oil filled equipment, nevertheless, the experiences show that a fine tuning and revision of the schemes is required for equipment filled with synthetic esters.
ISSN:0883-7554
1558-4402
DOI:10.1109/MEI.2020.9222632