A Normal Form-based Power System Out-of-step Protection

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dc.contributor.authorUgwuanyi, Nnaemeka Sunday
dc.contributor.authorKestelyn, Xavier
dc.contributor.authorThomas, Olivier
dc.contributor.authorMarinescu, Bogdan
dc.contributor.authorWang, Bin
dc.creator.orcidhttps://orcid.org/0000-0003-4199-4403en_US
dc.date.accessioned2023-06-26T16:30:45Z
dc.date.available2023-06-26T16:30:45Z
dc.date.issued2022-07
dc.descriptionThis version is the accepted manuscript and is embargoed until August 1, 2024. See final published version at https://doi.org/10.1016/j.epsr.2022.107873en_US
dc.description.abstractThis paper proposes a new system-level application for monitoring out-of-step (OOS) events in power systems. As already known, amplitude-dependent frequency shift is a nonlinear phenomenon of electromechanical oscillations under large disturbances. The frequency shift indicates the system’s nearness to instability. This new tool utilizes the Normal Form method to identify the named phenomenon, leading to accelerated OOS detection. The proposed strategy is illustrated and compared to the equal-area criterion method in a single-machine-infinite-bus power system. Extensive tests on IEEE 3- and IEEE 50-machine power systems prove the efficacy and potential of the proposed method for online warnings of instability and ranking of vulnerable system modes.en_US
dc.description.departmentElectrical and Computer Engineeringen_US
dc.identifier.citationUgwuanyi, N. S., Kestelyn, X., Thomas, O., Marinescu, B., & Wang, B. (2022). A normal form-based power system out-of-step protection. Electric Power Systems Research, 208, 107873. doi:https://doi.org/10.1016/j.epsr.2022.107873en_US
dc.identifier.issn1873-2046
dc.identifier.otherhttps://doi.org/10.1016/j.epsr.2022.107873
dc.identifier.urihttps://hdl.handle.net/20.500.12588/1929
dc.language.isoen_USen_US
dc.publisherElsevieren_US
dc.relation.ispartofseriesElectric Power Systems Research;Volume 208
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectnormal formen_US
dc.subjectoscillation frequency driften_US
dc.subjectout-of-step detectionen_US
dc.subjecttransient stabilityen_US
dc.titleA Normal Form-based Power System Out-of-step Protectionen_US
dc.typeArticleen_US

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