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Inclusion of Classic HVDC links in a PMU-based state estimator
KTH, School of Electrical Engineering (EES), Electric Power Systems. (SmarTS Lab)ORCID iD: 0000-0002-2845-8043
KTH, School of Electrical Engineering (EES), Electric Power Systems. (SmarTS Lab)ORCID iD: 0000-0002-4125-1055
2014 (English)In: PES General Meeting | Conference & Exposition, 2014 IEEE, IEEE conference proceedings, 2014, 1-5 p.Conference paper, Published paper (Refereed)
Abstract [en]

This article presents a PMU-based state estimator algorithm that considers the presence of classic HVDC links. A hybrid AC/DC network model is developed to combine the AC network and DC links. The algorithm assumes that DC link measurements can be sampled synchronously, are time-stamped and reported at the same rate as PMU measurements. Then, by applying the weighted least squares algorithm, a linear state estimator can solve for both AC and DC states simultaneously. To validate the algorithm, a state estimation model is built for a 9-bus and the KTH-Nordic 32 systems, for both AC-only and hybrid AC/DC networks. In addition, the influence of losing DC measurements and effects of measurement noise on the state estimator are briefly discussed.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2014. 1-5 p.
Keyword [en]
State estimation, Classic HVDC link, PMU, Hybrid AC and DC state estimation
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-161729DOI: 10.1109/PESGM.2014.6938841ISI: 000349551500039OAI: oai:DiVA.org:kth-161729DiVA: diva2:795197
Conference
2014 IEEE PES General Meeting,27-31 July 2014,National Harbor, MD
Note

QC 20150319

Available from: 2015-03-15 Created: 2015-03-15 Last updated: 2015-04-17Bibliographically approved

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fulltext(579 kB)110 downloads
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Li, WeiVanfretti, Luigi

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Citation style
  • apa
  • harvard1
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