Temperature dependent dielectric spectroscopy in frequency domain of high-voltage transformer oils compared to physicochemical results

Paraskevas, CD; Vassiliou, P; Dervos, CT

dc.contributor.author	Paraskevas, CD	en
dc.contributor.author	Vassiliou, P	en
dc.contributor.author	Dervos, CT	en
dc.date.accessioned	2014-03-01T02:43:34Z
dc.date.available	2014-03-01T02:43:34Z
dc.date.issued	2005	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/31481
dc.subject	Complex Permittivity	en
dc.subject	Dielectric Spectroscopy	en
dc.subject	Frequency Domain	en
dc.subject	High Voltage	en
dc.subject	Measurement Technique	en
dc.subject	Power Transformer	en
dc.subject	Temperature Dependence	en
dc.subject	thermally stimulated current	en
dc.subject.other	Data acquisition	en
dc.subject.other	Dielectric materials	en
dc.subject.other	Electric equipment	en
dc.subject.other	Frequency domain analysis	en
dc.subject.other	Thermal effects	en
dc.subject.other	Dielectric spectroscopy	en
dc.subject.other	Insulating transformer oils	en
dc.subject.other	Insulating oil	en
dc.title	Temperature dependent dielectric spectroscopy in frequency domain of high-voltage transformer oils compared to physicochemical results	en
heal.type	conferenceItem	en
heal.identifier.primary	10.1109/ICDL.2005.1490081	en
heal.identifier.secondary	http://dx.doi.org/10.1109/ICDL.2005.1490081	en
heal.publicationDate	2005	en
heal.abstract	The temperature dependent dielectric spectroscopy in frequency domain, is compared to physicochemical and electrical tests that are periodically applied on highly insulating transformer oils. Complex permittivity and tanδ data are obtained as a function of frequency and operation temperatures, to demonstrate the polarization phenomena and the induced loss intensification by the thermally stimulated currents. The acquired dielectric data of oil samples collected from 201 operating HV power transformers, were correlated to their corresponding physicochemical ones in order to demonstrate the future potential employment of the proposed measuring technique in the field of high voltage engineering towards reliability monitoring of oil filled electrical equipment (OFEE). © 2005 IEEE.	en
heal.journalName	2005 IEEE International Conference on Dielectric Liquids, ICDL 2005	en
dc.identifier.doi	10.1109/ICDL.2005.1490081	en
dc.identifier.spage	281	en
dc.identifier.epage	284	en