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A comparison of two methods used for voltage dip characterization
KTH, Superseded Departments, Electrical Systems.
KTH, Superseded Departments. (Electric Power Systems)ORCID iD: 0000-0002-8189-2420
2003 (English)In: 2003 IEEE Bologna Power Tech Conference Proceedings, 2003, Vol. 4, 6- p.Conference paper (Refereed)
Abstract [en]

The quality of delivered power is a topic that has received quite a lot of attention lately. Among power quality related phenomena, voltage dips (or sags) have been identified as a great concern for especially industrial customers. In order to estimate the severity of a voltage dip, several methods for characterization has been developed. A straightforward method of voltage dip characterization is to calculate the lowest magnitude of the RMS-voltage during the dip. Another method characterizes a voltage dip by the so-called characteristic voltage. These two methods are applied to measured voltage dips at a Swedish steel factory. This study shows that the two methods give similar results. Hence, characterization of voltage dips by using RMS-voltages can be a good measure of the severity of a dip even though more sophisticated methods exist.

Place, publisher, year, edition, pages
2003. Vol. 4, 6- p.
Keyword [en]
RMS-voltage, Swedish steel factory, characteristic voltage, industrial customers, power quality, straightforward method, voltage dip measurement, voltage sag, industrial plants, industrial power systems, power supply quality, steel industry, voltage measurement
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-52602DOI: 10.1109/PTC.2003.1304722OAI: diva2:467174
2003 IEEE Bologna PowerTech Conference. Bologna, Italy. June 23-26
QC 20111221 NR 20140804Available from: 2011-12-19 Created: 2011-12-19 Last updated: 2012-01-12Bibliographically approved

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Öhrström, MagnusSöder, Lennart
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