A robust fusion bus frequency estimation method to improve frequency oscillation damping in power systems

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dc.contributor.authorFarahani, Alien
dc.contributor.authorAbolmasoumi, Amir H.en
dc.contributor.authorMili, Lamine M.en
dc.contributor.authorBayat, Mohammaden
dc.date.accessioned2024-01-22T14:10:08Zen
dc.date.available2024-01-22T14:10:08Zen
dc.date.issued2023-09-12en
dc.description.abstractThis paper proposes a new robust method for accurately and reliably estimating remote bus frequencies in a power system. Two different measurement sources for the remote bus frequency are considered, that is, the ideal Frequency Divider (FD) and the Synchronous Reference Frame Phase Locked Loops (SRF-PLLs). Each measurement signal encounters different uncertainties and data quality issues. In this paper, both data sources are employed and fused together to better estimate the remote bus frequencies. To this end, the model structure of the power system is selected and an Unscented Kalman Filter (UKF) is utilized together with a fusion covariance intersection method to enhance the accuracy of the estimated bus frequency. Since the fusion estimation method fails in case of quality issues on both channels, a robust Generalized Maximum-likelihood UKF (GM-UKF) using a novel outlier detection criteria is developed. The impact of the resulting robust fusion filter on the estimation of the remote bus frequencies and on the performance of WAPSS, which makes use of the estimated frequencies as the feedback signal, is examined via simulations. The results demonstrate the excellent performance and reliability of the proposed method in dealing with noise filtering and outlier suppression while ensuring a high statistical efficiency.en
dc.description.versionPublished versionen
dc.format.extentPages 4172-4187en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1049/gtd2.12976en
dc.identifier.eissn1751-8695en
dc.identifier.issn1751-8687en
dc.identifier.issue18en
dc.identifier.orcidMili, Lamine [0000-0001-6134-3945]en
dc.identifier.urihttps://hdl.handle.net/10919/117504en
dc.identifier.volume17en
dc.language.isoenen
dc.publisherInstitution of Engineering and Technology (IET)en
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.titleA robust fusion bus frequency estimation method to improve frequency oscillation damping in power systemsen
dc.title.serialIET Generation, Transmission and Distributionen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherJournal Articleen
pubs.organisational-group/Virginia Techen
pubs.organisational-group/Virginia Tech/Engineeringen
pubs.organisational-group/Virginia Tech/Engineering/Electrical and Computer Engineeringen
pubs.organisational-group/Virginia Tech/All T&R Facultyen
pubs.organisational-group/Virginia Tech/Engineering/COE T&R Facultyen

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