Mathematical development of the sampling frequency effects for improving the two-terminal traveling wave-based fault location

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dc.contributor.authorCosta, Flávio Bezerra
dc.contributor.authorLopes, F. V.
dc.contributor.authorSilva, K. M.
dc.contributor.authorDantas, Karcius Marcelus Colaço
dc.contributor.authorFrança, R. L. S.
dc.contributor.authorLeal, Mônica Maria
dc.contributor.authorRibeiro, R. L. A.
dc.date.accessioned2020-08-11T19:00:08Z
dc.date.available2020-08-11T19:00:08Z
dc.date.issued2020-02
dc.description.resumoThis paper presents a deep analysis of sampling frequency effects on the classical two-terminal traveling wavebased transmission line fault location method performance, demonstrating that these effects can be represented by well-defined regions (in the format of lozenges) in a time-space plane. Thereby, it is demonstrated that the classical method estimates the fault location in predefined points due to sampling frequency-associated time resolution. Furthermore, faults at the same location can be randomly estimated in different predefined locations depending on the fault inception time, resulting in location uncertainties. Nevertheless, the proposed time-space lozenges support a probabilistic analysis in order to consider the sampling frequency effects by adding a probabilistic search field component to the classical fault location formulation which indicates the region in which the fault took place with 100% of certainty regarding the sampling frequency effects. Therefore, this paper also proposes an improvement on the classical method by considering the effects of the sampling frequency. The proposed approach was evaluated by means of digital simulations and validated experimentally in laboratory by the application of faults along a 1 km long cablept_BR
dc.identifier.citationCOSTA, F.B.; LOPES, F.V.; SILVA, K.M.; DANTAS, K.M.C.; FRANÇA, R.L.s.; LEAL, M.M.; RIBEIRO, R.L.A.. Mathematical development of the sampling frequency effects for improving the two-terminal traveling wave-based fault location. International Journal Of Electrical Power & Energy Systems, [s.l.], v. 115, p. 105502, fev. 2020. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0142061518328230?via%3Dihub#!. Acesso em: 08 ago. 2020. http://dx.doi.org/10.1016/j.ijepes.2019.105502pt_BR
dc.identifier.issn0142-0615
dc.identifier.urihttps://repositorio.ufrn.br/jspui/handle/123456789/29800
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.subjectFault locationpt_BR
dc.subjectTraveling wavespt_BR
dc.subjectTransmission linept_BR
dc.subjectSampling frequencypt_BR
dc.titleMathematical development of the sampling frequency effects for improving the two-terminal traveling wave-based fault locationpt_BR
dc.typearticlept_BR

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