Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/499
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dc.contributor.authorSamantaray, S R-
dc.contributor.authorPanigrahi, B K-
dc.contributor.authorDash, P K-
dc.contributor.authorPanda, G-
dc.date.accessioned2007-09-24T04:46:20Z-
dc.date.available2007-09-24T04:46:20Z-
dc.date.issued2007-
dc.identifier.citationIET Generation, Transmission and Distribution, Vol 1, Iss 2, P 278-286en
dc.identifier.urihttp://dx.doi.org/10.1049/iet-gtd:20060206-
dc.identifier.urihttp://hdl.handle.net/2080/499-
dc.descriptionCopyright for this paper belongs to The Institution of Engineering and Technologyen
dc.description.abstractA new approach for power transformer protection using S-transform with complex window to distinguish between inrush current and internal fault is presented. The S-transform with complex window is used to extract patterns of transient current samples during inrush and faults. S-transform is a very powerful tool for non-stationary signal analysis giving the information of transient currents both in time and in frequency domains. The spectral energy is calculated for inrush and internal faults and an energy index is found out to distinguish between inrush magnetising current and internal faults. The simulation results and the results obtained using real-time data from a transformer in the laboratory environment indicate the robustness of the proposed techniqueen
dc.format.extent1036721 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoen-
dc.publisherThe Institution of Engineering and Technologyen
dc.subjectfault currentsen
dc.subjectfeature extractionen
dc.subjectpattern recognitionen
dc.subjectpower transformer protectionen
dc.subjecttime-frequency analysisen
dc.subjectwavelet transformsen
dc.titlePower transformer protection using S-transform with complex window and pattern recognition approachen
dc.typeArticleen
Appears in Collections:Journal Articles

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