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Nonlinear Adaptive Magneto-Thermal Analysis at Bushing Regions of a Transformers Cover Using Finite Difference Method

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dc.contributor.author Zahedi, Mohammad Zia
dc.contributor.author İskender, İres
dc.date.accessioned 2020-02-28T12:18:52Z
dc.date.available 2020-02-28T12:18:52Z
dc.date.issued 2019-02
dc.identifier.citation Zahedi, Mohammad Zia; Iskender, I., "Nonlinear Adaptive Magneto-Thermal Analysis at Bushing Regions of a Transformers Cover Using Finite Difference Method", Journal of Thermal Science and Engineering Applications, Vol. 11, No. 1, (2019). tr_TR
dc.identifier.issn 1948-5085
dc.identifier.uri http://hdl.handle.net/20.500.12416/2575
dc.description.abstract In this study, losses analysis at bushing regions of a transformer covers is done using finite difference method (FDM), considering that FDM being more flexible to deal with the nonlinear constitutive law and easier to be implemented than finite element (FE) and analytical methods. The analysis is performed based on a 2-level adaptive mesh solution of Maxwell equations and Ohm law at the cross section area in the axial symmetry page of a steel disk, taking account the nonlinear magnetic permeability of the steel. The losses density obtained, as a heat source, is imported into an alternating direction implicit (ADI) approach of heat conduction equation. Therefore, a finite difference (FD) solution algorithm for magneto-thermal analysis on cover plate is obtained by combination of adaptive mesh refinement and ADI-FDM, which improves the accuracy and decreases the computational time without losing accuracy. The reliability of the proposed technique is confirmed by experimental and FE method (FEM) results, considering the temperature distribution of the cover. The comparison of the results with those obtained from FEM and experiments shows the efficiency and capability of the method. tr_TR
dc.language.iso eng tr_TR
dc.publisher ASME tr_TR
dc.relation.isversionof 10.1115/1.4041345 tr_TR
dc.rights info:eu-repo/semantics/closedAccess tr_TR
dc.subject Nonlinear Magnetic Fields tr_TR
dc.subject Eddy Current Losses tr_TR
dc.subject Finite Difference Method tr_TR
dc.subject Adaptive Mesh Refinement tr_TR
dc.subject Hot Spot Temperature tr_TR
dc.subject Transformer Cover tr_TR
dc.title Nonlinear Adaptive Magneto-Thermal Analysis at Bushing Regions of a Transformers Cover Using Finite Difference Method tr_TR
dc.type article tr_TR
dc.relation.journal Journal of Thermal Science and Engineering Applications tr_TR
dc.contributor.authorID 133746 tr_TR
dc.identifier.volume 11 tr_TR
dc.identifier.issue 1 tr_TR
dc.contributor.department Çankaya Üniversitesi, Mühendislik Fakültesi, Elektrik Elektronik Mühendisliği Bölümü tr_TR


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