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dc.contributor.authorSilva, Kleber Melo e-
dc.contributor.authorEscudreo, Alfredo Miguel P.-
dc.contributor.authorLopes, Felipe Vigolvino-
dc.contributor.authorCosta, Flávio Bezerra-
dc.date.accessioned2019-02-14T13:14:44Z-
dc.date.available2019-02-14T13:14:44Z-
dc.date.issued2017-
dc.identifier.urihttp://repositorio.unb.br/handle/10482/34031-
dc.descriptionThis article has been accepted for publication in a future issue of this journal, but has not been fully edited. Content may change prior to final publication. Citation information: DOI 10.1109/TPWRD.2017.2764058, IEEE Transactions on Power Delivery.pt_BR
dc.language.isoInglêspt_BR
dc.rightsAcesso Abertopt_BR
dc.titleA wavelet-based busbar differential protectionpt_BR
dc.typeManuscritopt_BR
dc.subject.keywordWavelets (Matemática)pt_BR
dc.subject.keywordProteção diferencialpt_BR
dc.rights.licenseAutorização concedida ao Repositório Institucional da Universidade de Brasília (RIUnB) pelo Professor Kleber Melo e Silva, em 31 de janeiro de 2019, para disponibilizar o trabalho, gratuitamente, para fins de leitura, impressão e/ou download, a título de divulgação da obra.pt_BR
dc.relation.publisherversionhttps://ieeexplore.ieee.org/document/8070327pt_BR
dc.description.abstract1This paper presents a new wavelet-based busbar differential protection algorithm, named as 87BW function. The instantaneous current-based differential protection fundamentals are taken into account and the well-known 1-out-of-1 and 2- out-of-2 tripping logics are mapped into the wavelet domain. Operating and restraint wavelet coefficients energy of currents are computed, regarding station configuration and bus zones boundaries. Thereby, the proposed 87BW function can be properly used in both static and dynamic busbar configuration. Its performance was evaluated through EMTP-based simulations of faults in a 230 kV power substation with double bus single breaker configuration. The obtained results reveal it provides ultra-high-fast trip for internal and evolving external-to-internal faults, guaranteeing security for normal through-load and external faults as well, even in the case of early and severe current transformer (CT) saturation.pt_BR
dc.description.unidadeFaculdade de Tecnologia (FT)pt_BR
dc.description.unidadeDepartamento de Engenharia Elétrica (FT ENE)pt_BR
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