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	2014-03-01T02:44:12Z
dc.date.available	2014-03-01T02:44:12Z
dc.date.issued	2006	en
dc.identifier.issn	1070-9878	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/31752
dc.subject	Dielectric liquids	en
dc.subject	Dielectric losses	en
dc.subject	Dielectric polarization	en
dc.subject	Dielectric spectroscopy	en
dc.subject	Insulation testing	en
dc.subject	Oil insulation	en
dc.subject	Permittivity measurement	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.classification	Physics, Applied	en
dc.subject.other	Dielectric liquids	en
dc.subject.other	Dielectric losses	en
dc.subject.other	Electric currents	en
dc.subject.other	HVDC power transmission	en
dc.subject.other	Permittivity	en
dc.subject.other	Permittivity measurement	en
dc.subject.other	Polarization	en
dc.subject.other	Dielectric polarization	en
dc.subject.other	Dielectric spectroscopy	en
dc.subject.other	Insulation testing	en
dc.subject.other	Oil insulation	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/TDEI.2006.1657966	en
heal.identifier.secondary	http://dx.doi.org/10.1109/TDEI.2006.1657966	en
heal.identifier.secondary	1657966	en
heal.language	English	en
heal.publicationDate	2006	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 High Voltage (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). © 2006 IEEE.	en
heal.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC	en
heal.journalName	IEEE Transactions on Dielectrics and Electrical Insulation	en
dc.identifier.doi	10.1109/TDEI.2006.1657966	en
dc.identifier.isi	ISI:000239184400013	en
dc.identifier.volume	13	en
dc.identifier.issue	3	en
dc.identifier.spage	539	en
dc.identifier.epage	546	en