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Numerical Analysis and Safety Design of Grounding Systems in Underground Compact Substations
dc.contributor.author | Guizán Roca, Raquel | |
dc.contributor.author | Colominas, Ignasi | |
dc.contributor.author | París, José | |
dc.contributor.author | Couceiro, Iván | |
dc.contributor.author | Navarrina, Fermín | |
dc.date.accessioned | 2022-03-08T18:46:41Z | |
dc.date.available | 2022-03-08T18:46:41Z | |
dc.date.issued | 2022 | |
dc.identifier.citation | Guizán, R., Colominas, I., París, J., Couceiro, I., Navarrina, F. (2022). Numerical analysis and safety design of grounding systems in underground compact substations. Electric Power Systems Research, 203, 107627. ISSN 0378-7796. https://doi.org/10.1016/j.epsr.2021.107627. (https://www.sciencedirect.com/science/article/pii/S0378779621006088) | es_ES |
dc.identifier.uri | http://hdl.handle.net/2183/29914 | |
dc.description | Financiado para publicación en acceso aberto: Universidade da Coruña/CISUG | es_ES |
dc.description.abstract | [Abstract] This paper presents a mathematical and numerical formulation to design and analyze grounding systems in underground electrical substations. The developed approach is based on the well known Maxwell’s Equations. The proposed problem is solved by means of the Boundary Element Method (BEM). The utilization of BEM allows to introduce the geometry and electrical characteristics of the enclosure in a uniform soil. Therefore, a more realistic approximation of the soil structure is achieved. This formulation allows to obtain the main parameters of these protection systems (the grid resistance, the Ground Potential Rise, and the step and mesh voltage). It also allows to compute the surface and step voltage distributions. In addition, as a secondary result, the voltage and current density distributions over the enclosure are obtained. Finally, two grounding system analyses of real underground electrical substations are presented to demonstrate the industrial application and the modelization capabilities of the proposed formulation. | es_ES |
dc.description.sponsorship | This work has been partially supported by the “Consellería de Cultura, Educación e Ordenación Universitaria” of the “Xunta de Galicia” (grant GRC2014/039) and (grant ED431C2018/41), by the “Ministerio de Economía y Competitividad” (grant DPI2015-68431R) and "Ministerio de Ciencia, Innovación y Universidades" (grant RTI2018-093366-B-I00). Funding for open access charge: Universidade da Coruña/CISUG | es_ES |
dc.description.sponsorship | Xunta de Galicia; GRC2014/039 | es_ES |
dc.description.sponsorship | Xunta de Galicia; ED431C2018/41 | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Elsevier | es_ES |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/DPI2015-68431R/ES/DISEÑO OPTIMO DE INSTALACIONES Y SISTEMAS ENERGETICOS OFF-SHORE MEDIANTE TECNICAS DE MECANICA COMPUTACIONAL DE ALTA PRECISION/ | |
dc.relation | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/RTI2018-093366-B-I00/ES/NUEVOS METODOS SIN MALLA PARA LA SIMULACION NUMERICA DE FLUJOS TURBULENTOS Y PROBLEMAS DE MULTIFISICA. APLICACION AL DESARROLLO DE SISTEMAS DE GENERACION DE ENERGIA RENOVABLE/ | |
dc.relation.uri | https://doi.org/10.1016/j.epsr.2021.107627 | es_ES |
dc.rights | Atribución-NoComercial-SinDerivadas 4.0 Internacional | es_ES |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.subject | Grounding systems | es_ES |
dc.subject | Potential distributions | es_ES |
dc.subject | Underground substations | es_ES |
dc.title | Numerical Analysis and Safety Design of Grounding Systems in Underground Compact Substations | es_ES |
dc.type | info:eu-repo/semantics/article | es_ES |
dc.rights.access | info:eu-repo/semantics/openAccess | es_ES |
UDC.journalTitle | Electric Power Systems Research | es_ES |
UDC.volume | 203 | es_ES |
UDC.startPage | 107627 | es_ES |
dc.identifier.doi | 10.1016/j.epsr.2021.107627 |
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