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Analysis of power disturbances from monitoring multiple levels and locations in a power system
Chalmers University of Technology.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
Chalmers University of Technology.
2010 (English)In: 14th International Conference on Harmonics and Quality of Power, 2010: ICHQP 2010, 26-29 Sep. 2010, Bergamo, Italy, IEEE Communications Society, 2010Conference paper, Published paper (Refereed)
Abstract [en]

This paper proposes a new methodology for diagnosing the original source and underlying causes of power system disturbances, where voltage and current recordings from different locations of a power system are collected. In the proposed method, disturbances are first pre-classified based on the number of transition segments. The spatial zone of the source of disturbances is coarsely determined from voltage recordings only. Disturbances are then further analyzed and characterized by extracting information from both voltages and currents. Finally more accurate information about the location of the source of disturbances is obtained by different techniques depending on the type of disturbances. Several underlying causes are analyzed and classified by using the proposed features extracted from both voltage and current waveforms. Finally, the location of the source of disturbances is refined once the underlying causes are found. Case studies were performed on a large grid-connected wind farm with disturbances from several underlying causes, including: fault, unit tripping, transformer, capacitor, and cable energizing generated by PSCAD/EMTDC.

Place, publisher, year, edition, pages
IEEE Communications Society, 2010.
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Energy Engineering
Research subject
Electric Power Engineering; Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-27395DOI: 10.1109/ICHQP.2010.5625383Local ID: 0d54ef00-db79-11df-8b36-000ea68e967bISBN: 978-1-4244-7244-4 (print)ISBN: 978-1-4244-7245-1 (electronic)OAI: oai:DiVA.org:ltu-27395DiVA, id: diva2:1000579
Conference
International Conference on Harmonics and Quality of Power : 26/09/2010 - 29/09/2010
Note
Godkänd; 2010; 20101019 (matbol)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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