Dielectric spectroscopy and gas chromatography methods applied on high-voltage transformer oils

The objective of this work is to point out the advantages offered by the temperature dependent dielectric spectroscopy in frequency domain, as a possible diagnostic tool for power transformer lifetime prediction. Characterization of the insulating oil has been carried out for a wide selection of tra...

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Bibliographische Detailangaben
Hauptverfasser:	Dervos, C.T., Paraskevas, C.D., Skafidas, P.D., Stefanou, N.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Dielectrics and electrical insulation Electrochemical impedance spectroscopy Frequency domain analysis Gas chromatography Gas insulation Oil insulation Petroleum Power transformer insulation Power transformers Temperature dependence
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Beschreibung
Zusammenfassung:	The objective of this work is to point out the advantages offered by the temperature dependent dielectric spectroscopy in frequency domain, as a possible diagnostic tool for power transformer lifetime prediction. Characterization of the insulating oil has been carried out for a wide selection of transformers and their gas concentrations were monitored. The work correlates gas chromatography data to the dielectrometry ones.
ISSN:	2153-3725 2153-3733
DOI:	10.1109/ICDL.2005.1490069