About: Non-stationary Autoregressive Model for On-line Detection of Inter-area Oscillations in Power Systems

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper addresses early on-line detection of inter-area electro-mechanical oscillations in power systems using dynamic data such as currents, voltages and angle differences measured across transmission lines in real time. The main objective is to give the transmission operator qualitative information regarding stability margins. In our approach, the observed signal is modeled with the non-stationary second order autoregressive model. Bayesian estimation of the system is based on the forgetting approach. The stability margins are obtained as posterior probabilities that the poles of the estimated system are unstable. The approach is demonstrated on real retrospective data recorded in a 500 kV power grid and voltage data obtained by numerical simulations. This paper addresses early on-line detection of inter-area electro-mechanical oscillations in power systems using dynamic data such as currents, voltages and angle differences measured across transmission lines in real time. The main objective is to give the transmission operator qualitative information regarding stability margins. In our approach, the observed signal is modeled with the non-stationary second order autoregressive model. Bayesian estimation of the system is based on the forgetting approach. The stability margins are obtained as posterior probabilities that the poles of the estimated system are unstable. The approach is demonstrated on real retrospective data recorded in a 500 kV power grid and voltage data obtained by numerical simulations. (en)
Title	Non-stationary Autoregressive Model for On-line Detection of Inter-area Oscillations in Power Systems Non-stationary Autoregressive Model for On-line Detection of Inter-area Oscillations in Power Systems (en)
skos:prefLabel	Non-stationary Autoregressive Model for On-line Detection of Inter-area Oscillations in Power Systems Non-stationary Autoregressive Model for On-line Detection of Inter-area Oscillations in Power Systems (en)
skos:notation	RIV/67985556:_____/10:00353116!RIV11-GA0-67985556
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GP102/08/P250), Z(AV0Z10750506)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šmídl, Václav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teorie informace a automatizace AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	275090
http://linked.open...ai/riv/idVysledku	RIV/67985556:_____/10:00353116
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	power system oscillation; autoregressive model (en)
http://linked.open.../riv/klicoveSlovo	autoregressive model power system oscillation
http://linked.open...ontrolniKodProRIV	[E69AFE6567AB]
http://linked.open...v/mistoKonaniAkce	Gothenburgh
http://linked.open...i/riv/mistoVydani	Gothenburg
http://linked.open...i/riv/nazevZdroje	Innovative Smart Grid Technologies Conference Europe
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Stochastic sequential sampling for identification adn control of distributed systems
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Šmídl, Václav Panasetsky, D. Sidorov, D.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-10-11 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Pokročilé matematické metody získávání, zpracování a využití informací a znalostí ve složitých a nedeterministických systémech
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE
https://schema.org/isbn	978-1-4244-8508-6

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