{"?xml":{"@version":"1.0"},"edm:RDF":{"@xmlns:dc":"http://purl.org/dc/elements/1.1/","@xmlns:edm":"http://www.europeana.eu/schemas/edm/","@xmlns:wgs84_pos":"http://www.w3.org/2003/01/geo/wgs84_pos","@xmlns:foaf":"http://xmlns.com/foaf/0.1/","@xmlns:rdaGr2":"http://rdvocab.info/ElementsGr2","@xmlns:oai":"http://www.openarchives.org/OAI/2.0/","@xmlns:owl":"http://www.w3.org/2002/07/owl#","@xmlns:rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","@xmlns:ore":"http://www.openarchives.org/ore/terms/","@xmlns:skos":"http://www.w3.org/2004/02/skos/core#","@xmlns:dcterms":"http://purl.org/dc/terms/","edm:WebResource":[{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-FPJRGXM4/54917aa2-a462-409d-b481-4f64e7d9997f/PDF","dcterms:extent":"979 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:DOC-FPJRGXM4/9deb78a7-c119-4337-9763-40f30d5ad79f/TEXT","dcterms:extent":"0 KB"}],"edm:TimeSpan":{"@rdf:about":"2006-2025","edm:begin":{"@xml:lang":"en","#text":"2006"},"edm:end":{"@xml:lang":"en","#text":"2025"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:DOC-FPJRGXM4","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/urn:nbn:si:spr-0y5dimiu"},{"@xml:lang":"sl","#text":"Elektrotehniški vestnik"}],"dcterms:issued":"2025","dc:creator":["Kosmatin, Peter","Nedeljković, David"],"dc:format":[{"@xml:lang":"sl","#text":"številka:3"},{"@xml:lang":"sl","#text":"letnik:92"},{"@xml:lang":"sl","#text":"str. 115-122"}],"dc:identifier":["ISSN:0013-5852","COBISSID_HOST:245746435","URN:URN:NBN:SI:doc-FPJRGXM4"],"dc:language":"en","dc:publisher":{"@xml:lang":"sl","#text":"Elektrotehniška zveza Slovenije"},"dc:subject":[{"@xml:lang":"en","#text":"circulating currents"},{"@xml:lang":"en","#text":"eddy currents"},{"@xml:lang":"sl","#text":"energetski transformatorji"},{"@xml:lang":"en","#text":"finite element analysis"},{"@xml:lang":"en","#text":"geomagnetically induced currents"},{"@xml:lang":"sl","#text":"geomagnetno inducirani tokovi"},{"@xml:lang":"sl","#text":"krožni tokovi"},{"@xml:lang":"sl","#text":"metoda končnih elementov"},{"@xml:lang":"en","#text":"power transformers"},{"@xml:lang":"sl","#text":"vrtinčni tokovi"}],"dcterms:temporal":{"@rdf:resource":"2006-2025"},"dc:title":{"@xml:lang":"sl","#text":"A comprehensive study of transformer winding losses using the finite element method|"},"dc:description":[{"@xml:lang":"sl","#text":"The paper presents a study of the transformer winding losses caused by eddy and circulating currents using the finite element method. The losses are evaluated using different transformer simulation models and by including the phase interaction effect. The increase in the winding losses is also evaluated when the transformer is exposed to geomagnetically induced currents. A new calculation method using a 2D axisymmetric geometry is proposed. In comparison with a 3D simulation model based on detailed manufacturing data for 14 power transformers, the proposed procedure demonstrates an acceptable level of accuracy, achieved within a short computational time. Consequently, this method can be used as a valuable design tool for optimising the transformer geometry"},{"@xml:lang":"sl","#text":"V prispevku je predstavljena študija izgub v navitjih transformatorja, ki jih povzročajo vrtinčni in krožni tokovi, z uporabo metode končnih elementov. Izgube so ovrednotene z uporabo različnih simulacijskih modelov transformatorjev in z vključitvijo učinka fazne interakcije. Povečanje izgub v navitju se je ocenilo tudi za primere, ko je transformator izpostavljen geomagnetno induciranim tokovom. Posledično je predlagana nova metoda izračuna z uporabo 2D osnosimetrične geometrije. Za ovrednotenje metode je bila opravljena primerjava njenih rezultatov z rezultati 3D simulacijskega modela, zgrajenega na podlagi podrobnih proizvodnih podatkov za 14 projektiranih in izdelanih energetskih transformatorjev. Primerjava kaže, da predlagana metoda zagotavlja sprejemljivo natančnost s kratkim računskim časom, zato se lahko uporablja kot učinkovito načrtovalsko orodje za optimizacijo geometrije transformatorja"}],"edm:type":"TEXT","dc:type":[{"@xml:lang":"sl","#text":"znanstveno časopisje"},{"@xml:lang":"en","#text":"journals"},{"@rdf:resource":"http://www.wikidata.org/entity/Q361785"}]},"ore:Aggregation":{"@rdf:about":"http://www.dlib.si/?URN=URN:NBN:SI:DOC-FPJRGXM4","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:DOC-FPJRGXM4"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:DOC-FPJRGXM4/54917aa2-a462-409d-b481-4f64e7d9997f/PDF"},"edm:rights":{"@rdf:resource":"http://rightsstatements.org/vocab/InC/1.0/"},"edm:provider":"Slovenian National E-content Aggregator","edm:intermediateProvider":{"@xml:lang":"en","#text":"National and University Library of Slovenia"},"edm:dataProvider":{"@xml:lang":"sl","#text":"Elektrotehniška zveza Slovenije"},"edm:object":{"@rdf:resource":"http://www.dlib.si/streamdb/URN:NBN:SI:DOC-FPJRGXM4/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:DOC-FPJRGXM4"}}}}