Current mapping strategy for improving two-terminal series-compensated line current differential protection

Bainy, Rômulo G.; Silva, Kleber Melo e; Johnson, Brian K.

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Campo DC	Valor	Idioma
dc.contributor.author	Bainy, Rômulo G.	-
dc.contributor.author	Silva, Kleber Melo e	-
dc.contributor.author	Johnson, Brian K.	-
dc.date.accessioned	2021-05-25T17:38:41Z	-
dc.date.available	2021-05-25T17:38:41Z	-
dc.date.issued	2021	-
dc.identifier.citation	BAINY, Rômulo G.; SILVA, Kleber M.; JOHNSON, Brian K. Current mapping strategy for improving two-terminal series-compensated line current differential protection. Electric Power Systems Research, v. 196, 107243, 2021. DOI: https://doi.org/10.1016/j.epsr.2021.107243.	pt_BR
dc.identifier.uri	https://repositorio.unb.br/handle/10482/41021	-
dc.language.iso	Inglês	pt_BR
dc.publisher	Elsevier	pt_BR
dc.rights	Acesso Restrito	pt_BR
dc.title	Current mapping strategy for improving two-terminal series-compensated line current differential protection	pt_BR
dc.type	Artigo	pt_BR
dc.subject.keyword	Proteção diferencial	pt_BR
dc.subject.keyword	Plano Alfa	pt_BR
dc.subject.keyword	Linhas de transmissão	pt_BR
dc.identifier.doi	https://doi.org/10.1016/j.epsr.2021.107243	pt_BR
dc.relation.publisherversion	https://www.sciencedirect.com/science/article/abs/pii/S0378779621002248	pt_BR
dc.description.abstract1	This paper presents a particular case of the generalized alpha plane called current mapping strategy (CMS) formulation applied to differential protection of series-compensated transmission lines. The proposed formulation presents two unique features, control over the internal fault settlement region (FSR) and the use of an operation characteristic (OC). The FSR and the OC are two concentric circles defined on the alpha plane. Additionally, the proposed CMS allows the user to adjust the center and radius of the FSR and OC, according to the desired sensitivity and security of the protection. To validate and test the performance of the improved CMS, numerous computer simulations have been carried out using the Alternative Transients Program (ATP) on a 400 km long series-compensated, 500-kV transmission line. Furthermore, analysis of an extensive database of cases is conducted to highlight the CMS’s sensitivity. The obtained results demonstrate the effectiveness of the settings of the CMS and a smooth trajectory to the FSR. The CMS also proved to be stable and reliable even under severe subsynchronous oscillations and outfeed conditions.	pt_BR
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