Prediction of voltage dips in an electric power system

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F01%3A00064634" target="_blank" >RIV/49777513:23220/01:00064634 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Prediction of voltage dips in an electric power system
Original language 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.
Czech name
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Czech description
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Type
D - Article in proceedings
CEP classification
JE - Non-nuclear power engineering, energy consumption and utilization
OECD FORD branch
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Publication year
2001
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Prediction of voltage dips in an electric power system
ISBN
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ISSN
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e-ISSN
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Number of pages
5
Pages from-to
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Publisher name
Neuveden
Place of publication
Neuveden
Event location
Neuveden
Event date
Jan 1, 2001
Type of event by nationality
CST - Celostátní akce
UT code for WoS article
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