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Automated control technique for a single phase dynamic voltage restorer
KTH, School of Electrical Engineering (EES).
KTH, School of Electrical Engineering (EES), Electric Power Systems.
2006 (English)In: 2006 International Conference On Information And Automation, 2006, 63-68 p.Conference paper, Published paper (Refereed)
Abstract [en]

The Dynamic Voltage Restorer (DVR) is a commercially available, popular device to eliminate voltage sags and swells in the distribution fines. Its basic function is to inject the voltage difference (difference between the pre-sag and sag voltage) to the power line and maintains the pre-sag voltage condition in the load side. Different control strategies are available depending on the compensation technique used for compensation. A new control strategy for the single-phase voltage sags based on in-phase compensation technique is described in this paper. In the designed control, the DVR initially tracks the phase angle of the supply voltage and produce a reference voltage signal with the rated load voltage magnitude. If any phase jump occurred at the supply voltage, phase angle of the reference voltage signal is adjusted slowly to track the phase angle of the supply voltage. The difference between the reference and measured voltage is injected by the DVR. Therefore with this DVR control technique, the load will not experience any phase jump or dip. The simulation was carried out using EMTDC/PSCAD software and the results show a very good level of compensation for different voltage sags.

Place, publisher, year, edition, pages
2006. 63-68 p.
Keyword [en]
custom power device, DVR, voltage sag
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-40732DOI: 10.1109/ICINFA.2006.374153ISI: 000252731700012Scopus ID: 2-s2.0-46849106727ISBN: 978-1-4244-0554-1 (print)OAI: oai:DiVA.org:kth-40732DiVA: diva2:443004
Conference
2nd International Conference on Information and Automation, ICIA 2006; Colombo; 14 December 2006 through 17 December 2006
Note

QC 20110923

Available from: 2011-09-23 Created: 2011-09-20 Last updated: 2016-12-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
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  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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