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Identification of power system dominant inter-area oscillation paths
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-4867-0797
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-4125-1055
2013 (English)In: IEEE Transactions on Power Systems, ISSN 0885-8950, E-ISSN 1558-0679, Vol. 28, no 3, 2798-2807 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents three algorithms for identification of dominant inter-area oscillation paths: a series of interconnected corridors in which the highest content of the inter-area modes propagates through. The algorithms are developed to treat different sets of data: 1) known system model; 2) transient; and 3) ambient measurements from phasor measurement units (PMUs). These algorithms take feasibility into consideration by associating the network variables made available by PMUs, i.e., voltage and current phasors. All algorithms are demonstrated and implemented on a conceptualized Nordic Grid model. The results and comparison among three algorithms are provided. The applications of the algorithms not only facilitate in revealing critical corridors which are mostly stressed but also help in indicating relevant feedback input signals and inputs to mode meters which can be determined from the properties of dominant paths.

Place, publisher, year, edition, pages
2013. Vol. 28, no 3, 2798-2807 p.
Keyword [en]
dominant path, Inter-area oscillations, network modeshapes, power oscillation monitoring
National Category
Energy Systems
Identifiers
URN: urn:nbn:se:kth:diva-126742DOI: 10.1109/TPWRS.2012.2227840ISI: 000322989900076Scopus ID: 2-s2.0-84880919787OAI: oai:DiVA.org:kth-126742DiVA: diva2:642405
Funder
StandUpEU, European Research Council
Note

QC 20130821

Available from: 2013-08-21 Created: 2013-08-21 Last updated: 2017-12-06Bibliographically approved

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Chompoobutrgool, YuwaVanfretti, Luigi

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