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Dielectric response measurement of power transformer bushing by utilizing high voltage transients
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-0759-4406
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0003-1766-8077
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2012 (English)In: 2012 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (CEIDP), IEEE , 2012, 503-506 p.Conference paper, Published paper (Refereed)
Abstract [en]

Insulation has a significant role in most of power components failures. Therefore, proper diagnostics of insulation condition which can be done non-destructively and online in the field is of interest. In this paper, a new insulation diagnostic technique is proposed which utilizes natural transients in power system for online dielectric response measurement. In the proposed technique, lightning and switching impulses with wide range of frequency are used as stimuli for dielectric spectroscopy. Oil impregnated papers and condenser bushing are the objects under investigation and dielectric response of them is derived at those transients. Dielectric responses obtained by this method are verified by the responses measured by insulation diagnostic systems IDAX and LCR meter.

Place, publisher, year, edition, pages
IEEE , 2012. 503-506 p.
Series
Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP, ISSN 0084-9162
Keyword [en]
Dielectric response, Dielectric response measurements, High-voltage transients, Insulation conditions, Insulation diagnostics, LCR meters, Oil impregnated papers, Power components, Switching impulse, Transformer bushings
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-116840DOI: 10.1109/CEIDP.2012.6378830ISI: 000316899800119Scopus ID: 2-s2.0-84872056795ISBN: 978-1-4673-1252-3 (print)OAI: oai:DiVA.org:kth-116840DiVA: diva2:601282
Conference
2012 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2012, 14 October 2012 through 17 October 2012, Montreal, QC
Note

QC 20130129

Available from: 2013-01-29 Created: 2013-01-28 Last updated: 2015-02-06Bibliographically approved

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Taylor, NathanielGhaffarian Niasar, Mohamad

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