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Wavelet Analysis to Detect Ground Faults in Electrical Power Systems with Full Penetration of Converter Interface Generation

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dc.affiliation.dptoUC3M. Departamento de Ingeniería Eléctricaes
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Control de Sistemas de Potenciaes
dc.contributor.authorAzuara Grande, Luis
dc.contributor.authorGranizo, Ricardo
dc.contributor.authorArnaltes Gómez, Santiago
dc.contributor.funderComunidad de Madrides
dc.date.accessioned2023-11-14T08:49:49Z
dc.date.available2023-11-14T08:49:49Z
dc.date.issued2023-03-01
dc.description.abstractThe requirements for the increased penetration of renewable energy sources in electrical power systems have led to a dominance of power electronic interfaces. As a result, short-circuit currents have been reduced by the thermal limitations of power electronics, leading to problems associated with the sensitivity, selectivity, and reliability of protective relays. Although many solutions can be found in the literature, these depend on communications and are not reliable in all grid topologies or under different types of electrical fault. Hence, in this paper, the analysis of ground fault currents and voltages using a wavelet transform in combination with a new algorithm not only detects such ground faults but also allows them to be cleared quickly and selectively in scenarios with low fault current contribution due to a full penetration converter-interface-based generation. To verify and validate the proposed protection system, different ground faults are simulated using an arc ground fault model in a grid scheme based on the IEEE nine-bus standard test system, with only grid-forming power converters as generation sources. The test system is modelled in the MATLAB/Simulink environment. Therefore, the protection relays that verify all the steps established in the new algorithm can detect and clear any ground defect. Simulations are also presented involving different fault locations to demonstrate the effectiveness of the proposed ground fault protection method.en
dc.description.sponsorshipThis work was supported by the Autonomous Community of Madrid under the PROMINT-CM project (S2018/EMT-4366).en
dc.format.extent16es
dc.identifier.bibliographicCitationAzuara Grande, L. S., Granizo, R., & Arnaltes, S. (2023). Wavelet analysis to detect ground faults in electrical power systems with full penetration of converter interface generation. Electronics, 12(5), 1085.en
dc.identifier.doihttps://doi.org/10.3390/electronics12051085
dc.identifier.issn2079-9292
dc.identifier.publicationfirstpage1es
dc.identifier.publicationissue5es
dc.identifier.publicationlastpage16es
dc.identifier.publicationtitleElectronicsen
dc.identifier.publicationvolume12es
dc.identifier.urihttps://hdl.handle.net/10016/38842
dc.identifier.uxxiAR/0000033466
dc.language.isoengen
dc.publisherMDPIen
dc.relation.projectIDComunidad de Madrid. S2018/EMT-4366es
dc.rights© 2023 by the authors. Licensee MDPI, Basel, Switzerland.en
dc.rightsThis article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en
dc.rightsAtribución 3.0 España*
dc.rights.accessRightsopen accessen
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/es/*
dc.subject.ecienciaElectrónicaes
dc.subject.otherArc ground faultsen
dc.subject.otherElectrical faultsen
dc.subject.otherFault detectionen
dc.subject.otherGrid-forming power converteren
dc.subject.otherRenewable energy sourcesen
dc.subject.otherWavelet transformen
dc.titleWavelet Analysis to Detect Ground Faults in Electrical Power Systems with Full Penetration of Converter Interface Generationen
dc.typeresearch article*
dc.type.hasVersionVoR*
dspace.entity.typePublication
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