Dielectric characterization of power transformer oils as a diagnostic life prediction method

Dervos, CT; Paraskevas, CD; Skafidas, P; Vassiliou, P

dc.contributor.author	Dervos, CT	en
dc.contributor.author	Paraskevas, CD	en
dc.contributor.author	Skafidas, P	en
dc.contributor.author	Vassiliou, P	en
dc.date.accessioned	2014-03-01T01:22:11Z
dc.date.available	2014-03-01T01:22:11Z
dc.date.issued	2005	en
dc.identifier.issn	0883-7554	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/16478
dc.subject	complex permittivity	en
dc.subject	dielectric properties	en
dc.subject	HV transformers	en
dc.subject	insulation aging	en
dc.subject	polarization effects	en
dc.subject	tan delta	en
dc.subject	transformer oils	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.other	Dielectric properties	en
dc.subject.other	Estimation	en
dc.subject.other	Insulating oil	en
dc.subject.other	Permittivity	en
dc.subject.other	Polarization	en
dc.subject.other	Polychlorinated biphenyls	en
dc.subject.other	Service life	en
dc.subject.other	Complex permittivity	en
dc.subject.other	High voltage transformers	en
dc.subject.other	Insulation aging	en
dc.subject.other	Polarization effects	en
dc.subject.other	Electric transformer insulation	en
dc.title	Dielectric characterization of power transformer oils as a diagnostic life prediction method	en
heal.type	journalArticle	en
heal.identifier.primary	10.1109/MEI.2005.1389266	en
heal.identifier.secondary	http://dx.doi.org/10.1109/MEI.2005.1389266	en
heal.language	English	en
heal.publicationDate	2005	en
heal.abstract	The complex permittivity of mineral-insulating oils employed for 150-kV power transformers was monitored as a function of frequency and temperature with the use of a high precision LCR meter. Monitoring was performed on both synthetic mixtures of brand-new oil samples with varying humidity content and as-received samples from field-operating power transformers. Overall, results provide insight on the state of the insulation within the components and the service life of power transformers.	en
heal.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC	en
heal.journalName	IEEE Electrical Insulation Magazine	en
dc.identifier.doi	10.1109/MEI.2005.1389266	en
dc.identifier.isi	ISI:000226611700004	en
dc.identifier.volume	21	en
dc.identifier.issue	1	en
dc.identifier.spage	11	en
dc.identifier.epage	19	en