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dc.contributor.authorKurzweil, Peter
dc.contributor.authorSchell, Christian
dc.contributor.authorHaller, Rainer
dc.contributor.authorTrnka, Pavel
dc.contributor.authorHornak, Jaroslav
dc.date.accessioned2021-11-01T11:00:32Z-
dc.date.available2021-11-01T11:00:32Z-
dc.date.issued2021
dc.identifier.citationKURZWEIL, P. SCHELL, CH. HALLER, R. TRNKA, P. HORNAK, J. Environmental impact and aging properties of natural and synthetic transformer oils under electrical stress conditions. Advanced Sustainable Systems, 2021, roč. 5, č. 8, s. 1-10. ISSN: 2366-7486cs
dc.identifier.issn2366-7486
dc.identifier.uri2-s2.0-85106208929
dc.identifier.urihttp://hdl.handle.net/11025/45603
dc.format10 s.cs
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.publisherWileyen
dc.relation.ispartofseriesAdvanced Sustainable Systemsen
dc.rights© authorsen
dc.titleEnvironmental impact and aging properties of natural and synthetic transformer oils under electrical stress conditionsen
dc.typečlánekcs
dc.typearticleen
dc.rights.accessopenAccessen
dc.type.versionpublishedVersionen
dc.description.abstract-translatedAgainst the background of environmental compatibility and unrestricted technical usability, synthetic, and natural transformer oils are critically compared in long-term tests under high voltage using electrical and instrumental analytical methods. Synthetic alkyl esters of pentaerythrol appear to be sustainable and sometimes superior substitutes for mineral oils in terms of chemical stability, viscosity, permittivity, and heat transport. Natural esters of unsaturated fatty acids are found to be unsuitable for equipment exposed to moist air. Adsorbed water appears to be a general problem in transformer oils. The aging mechanisms and molecular changes during long-term operation include radical reactions, and the formation, isomerization and cleavage of CC bonds. Extensive material data are provided.en
dc.subject.translatedbreakdown voltageen
dc.subject.translateddecomposition productsen
dc.subject.translatedecotoxicityen
dc.subject.translatedpower transformer oilsen
dc.subject.translatedvegetable oilsen
dc.identifier.doi10.1002/adsu.202100079
dc.type.statusPeer-revieweden
dc.identifier.document-number653502800001
dc.identifier.obd43932991
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