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Persistence of Multiple Interaction Paths for Individual Inter-Area Modes
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
2012 (English)In: IFAC Proceedings Volumes (IFAC-PapersOnline): Power Plants and Power Systems Control, Volume 8, Part 1, 2012, 14-19 p.Conference paper, Published paper (Refereed)
Abstract [en]

Dominant interaction paths are the passageways containing the highest modal content of particular oscillations in interconnected power systems. For the case of inter-area modes, pinpointing the dominant path that corresponds to each mode may allow for the extraction of signals that bear a significant modal content at a particular inter-area frequency. Strong modal content for these inter-area modes may also be spread onto secondary paths. These secondary paths bear similar properties as those shown by dominant paths. The aim of this study is thus to demonstrate the persistence of both dominant and secondary paths by employing “network modeshape” properties. The existence of the paths is verified by nonlinear time-domain simulations where modal content at each inter-area frequency is extracted. The proper selection of feedback signals from the dominating paths may increase the flexibility of WAPODs by providing a number of signal choices to be used as backup in the presence of contingencies.

Place, publisher, year, edition, pages
2012. 14-19 p.
Series
IFAC Proceedings Volumes (IFAC-PapersOnline), ISSN 1474-6670
Keyword [en]
Inter-area oscillations, Interaction paths, Sensitivity analysis, Wide-area power oscillation damper (WAPOD)
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-70452DOI: 10.3182/20120902-4-FR-2032.00005Scopus ID: 2-s2.0-84880862850ISBN: 978-390282324-3 (print)OAI: oai:DiVA.org:kth-70452DiVA: diva2:486318
Conference
8th Power Plant and Power System Control Symposium, PPPSC 2012; Toulouse; France; 2 September 2012 through 5 September 2012
Funder
StandUp, 76106Swedish Research Council, 76131
Note

QC 20120927

Available from: 2012-09-27 Created: 2012-01-30 Last updated: 2013-10-08Bibliographically approved

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Citation style
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