H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping

One of the most widespread mathematical formulations applied to simulate the electromagnetic phenomena of coated conductor in the recent literature is the H one. However, the only validation of the model has been indirect by using measurements taken from the applications, as measurements of the ener...

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Authors: Sotelo, G. G., Carrera i Vilanova, Miquel, Granados, X.
Format: article
Status:Versión aceptada para publicación
Publication Date:2016
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10459.1/65041
Online Access:https://doi.org/10.1109/TASC.2016.2591825
http://hdl.handle.net/10459.1/65041
Access Level:Open access
Keyword:FEM
H-formulation
Superconducting modelling
2G tape
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spelling H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe MappingSotelo, G. G.Carrera i Vilanova, MiquelGranados, X.FEMH-formulationSuperconducting modelling2G tapeOne of the most widespread mathematical formulations applied to simulate the electromagnetic phenomena of coated conductor in the recent literature is the H one. However, the only validation of the model has been indirect by using measurements taken from the applications, as measurements of the energy losses in ac fields, forces developed in levitation systems or any other parameter related to a specific application. Direct validation of the calculation requires the observation of the local out of plane magnetic field over the surface of the sample and this is only accessible under magneto-optical observations and, in a larger scale and better dynamic range, by the Hall scanning microscopy. We propose here the experimental validation of the H-formulation by comparing the simulated results with measurements made by a Hall probe mapping in a second generation (2G) tape sample for several DC transported currents at 77 K. The paper presents a methodology to simulate the 2G tape by using only measured data obtained from a sample and its normalized J(B) experimental curves. Some boundary conditions that allow a faster convergence of the problem are investigated. Simulated results of the 2G tape modelled considering only the 1 μm HTS layer were compared with other that represent the most important layers of the coated conductor structure in the calculations. The simulated and measured results present a good agreement, proving that this model can calculate precisely the magnetic field and, hence, the current distribution in HTS samples.This work was supported in part by the followings grants: “Science Without Borders” from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq); by the European Agency (EU) through the Factories of the Future Resources, Technology, Infrastructure and Services for Simulation and Modelling (FORTISSIMO) Project under Grant EU FP7-2013-ICT-609029, the European Development of Superconducting Tapes (EUROTAPES) Project under Grant EU-FP7 NMP-LA-2012- 280432, the European Consortium for the Development of Fusion Energy (EUROfusion, PPPT-WPMAG 2014), and EU COST ACTIONS MP1201 and MP1014; by the Spanish Ministry of Economy and Competitiveness through the “Severo Ochoa” Programme for Centres of Excellence in R&D under Grant SEV-2015-0496, CONSOLIDER Excellence Network under Grant MAT2015- 68994-REDC, COACHSUPENERGY project under Grant MAT2014-56063- C2-1-R, co-financed by the European Regional Development Fund; by the Catalan Government under Grant 2014-SGR-753 and Xarmae.Institute of Electrical and Electronics Engineers (IEEE)201820182016info:eu-repo/semantics/articleinfo:eu-repo/semantics/acceptedVersionhttps://doi.org/10.1109/TASC.2016.2591825http://hdl.handle.net/10459.1/65041http://hdl.handle.net/10459.1/65041reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/grantAgreement/MINECO//MAT2015-68994-REDCinfo:eu-repo/grantAgreement/MINECO//MAT2014-56063-C2-1-RVersió postprint del document publicat a https://doi.org/10.1109/TASC.2016.2591825IEEE Transactions on Applied Superconductivity, 2016, vol. 26, núm. 8, art. 6603510info:eu-repo/grantAgreement/EC/FP7/609029info:eu-repo/grantAgreement/EC/FP7/280432(c) IEEE, 2016info:eu-repo/semantics/openAccessoai:recercat.cat:10459.1/650412026-05-29T05:05:01Z
dc.title.none.fl_str_mv H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
title H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
spellingShingle H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
Sotelo, G. G.
FEM
H-formulation
Superconducting modelling
2G tape
title_short H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
title_full H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
title_fullStr H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
title_full_unstemmed H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
title_sort H-Formulation FEM Modeling of the Current Distribution in 2G HTS Tapes and Its Experimental Validation Using Hall Probe Mapping
dc.creator.none.fl_str_mv Sotelo, G. G.
Carrera i Vilanova, Miquel
Granados, X.
author Sotelo, G. G.
author_facet Sotelo, G. G.
Carrera i Vilanova, Miquel
Granados, X.
author_role author
author2 Carrera i Vilanova, Miquel
Granados, X.
author2_role author
author
dc.subject.none.fl_str_mv FEM
H-formulation
Superconducting modelling
2G tape
topic FEM
H-formulation
Superconducting modelling
2G tape
description One of the most widespread mathematical formulations applied to simulate the electromagnetic phenomena of coated conductor in the recent literature is the H one. However, the only validation of the model has been indirect by using measurements taken from the applications, as measurements of the energy losses in ac fields, forces developed in levitation systems or any other parameter related to a specific application. Direct validation of the calculation requires the observation of the local out of plane magnetic field over the surface of the sample and this is only accessible under magneto-optical observations and, in a larger scale and better dynamic range, by the Hall scanning microscopy. We propose here the experimental validation of the H-formulation by comparing the simulated results with measurements made by a Hall probe mapping in a second generation (2G) tape sample for several DC transported currents at 77 K. The paper presents a methodology to simulate the 2G tape by using only measured data obtained from a sample and its normalized J(B) experimental curves. Some boundary conditions that allow a faster convergence of the problem are investigated. Simulated results of the 2G tape modelled considering only the 1 μm HTS layer were compared with other that represent the most important layers of the coated conductor structure in the calculations. The simulated and measured results present a good agreement, proving that this model can calculate precisely the magnetic field and, hence, the current distribution in HTS samples.
publishDate 2016
dc.date.none.fl_str_mv 2016
2018
2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/acceptedVersion
format article
status_str acceptedVersion
dc.identifier.none.fl_str_mv https://doi.org/10.1109/TASC.2016.2591825
http://hdl.handle.net/10459.1/65041
http://hdl.handle.net/10459.1/65041
url https://doi.org/10.1109/TASC.2016.2591825
http://hdl.handle.net/10459.1/65041
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/grantAgreement/MINECO//MAT2015-68994-REDC
info:eu-repo/grantAgreement/MINECO//MAT2014-56063-C2-1-R
Versió postprint del document publicat a https://doi.org/10.1109/TASC.2016.2591825
IEEE Transactions on Applied Superconductivity, 2016, vol. 26, núm. 8, art. 6603510
info:eu-repo/grantAgreement/EC/FP7/609029
info:eu-repo/grantAgreement/EC/FP7/280432
dc.rights.none.fl_str_mv (c) IEEE, 2016
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) IEEE, 2016
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers (IEEE)
publisher.none.fl_str_mv Institute of Electrical and Electronics Engineers (IEEE)
dc.source.none.fl_str_mv reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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