About: Prediction of voltage dips in an electric power system

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Voltage dips (sags), mainly caused by remote short circuits, are generally considered the serious power quality problem. Their effect on an operation of sensitive equipment is the same like the effect of short supply interruptions. The knowledge about occurrence of a voltage dips in a network as a function of their magnitude and duration can be obtained through the use of power quality monitors or by means of prediction methods. This paper compares advantages and disadvantages of the voltage dips monitoring and the prediction methods, and limitations of their practical using for the prediction of the number of voltage dips in the power system. The principles of two prediction methods (the method of fault positions and the method of critical distances) are mentioned. The method of fault positions is applied to the real 110 kV grid. The accuracy of the prediction method is evaluated on the basis of the comparison with the outcome of the voltage dip monitoring. Voltage dips (sags), mainly caused by remote short circuits, are generally considered the serious power quality problem. Their effect on an operation of sensitive equipment is the same like the effect of short supply interruptions. The knowledge about occurrence of a voltage dips in a network as a function of their magnitude and duration can be obtained through the use of power quality monitors or by means of prediction methods. This paper compares advantages and disadvantages of the voltage dips monitoring and the prediction methods, and limitations of their practical using for the prediction of the number of voltage dips in the power system. The principles of two prediction methods (the method of fault positions and the method of critical distances) are mentioned. The method of fault positions is applied to the real 110 kV grid. The accuracy of the prediction method is evaluated on the basis of the comparison with the outcome of the voltage dip monitoring. (en)
Title	Prediction of voltage dips in an electric power system Prediction of voltage dips in an electric power system (en)
skos:prefLabel	Prediction of voltage dips in an electric power system Prediction of voltage dips in an electric power system (en)
skos:notation	RIV/49777513:23220/01:00064634!RIV/2002/MSM/232202/N
http://linked.open.../vavai/riv/strany	S. 232-236
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 232200008)
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Tesařová, Miloslava
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	Západočeská univerzita v Plzni / Fakulta elektrotechnická
http://linked.open...dnocenehoVysledku	692387
http://linked.open...ai/riv/idVysledku	RIV/49777513:23220/01:00064634
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Dip; power quality; failure rate; electric grid; short circuit analysis; (en)
http://linked.open.../riv/klicoveSlovo	failure rate power quality Dip short circuit analysis electric grid
http://linked.open...ontrolniKodProRIV	[FC259FC27EA7]
http://linked.open...v/mistoKonaniAkce	Neuveden
http://linked.open...i/riv/mistoVydani	Neuveden
http://linked.open...i/riv/nazevZdroje	Prediction of voltage dips in an electric power system
http://linked.open...in/vavai/riv/obor	JE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2001
http://linked.open...iv/tvurceVysledku	Tesařová, Miloslava
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2001-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20232200008
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
http://localhost/t...ganizacniJednotka	23220

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