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A PMU-Based State Estimator For Networks Containing VSC-HVDC links
KTH, School of Electrical Engineering (EES), Electric Power Systems.ORCID iD: 0000-0002-2845-8043
KTH, School of Electrical Engineering (EES), Electric Power Systems. Statnett SF, Research and Development, Oslo, Norway.ORCID iD: 0000-0002-4125-1055
2015 (English)In: 2015 IEEE POWER & ENERGY SOCIETY GENERAL MEETING, IEEE , 2015Conference paper (Refereed)Text
Abstract [en]

This paper presents a PMU-based state estimation algorithm that considers the presence of voltage source converter-based high voltage direct current (VSC-HVDC) links. The network model of a VSC-HVDC link with its control modes is developed and then combined with an AC model to accomplish a hybrid AC/DC network model. The measurement model in this algorithm considers the properties of PMU measurements, thus separating the network model with measurements. Additionally, DC link measurements are assumed to be sampled synchronously, time-stamped and reported at the same rate as PMU measurements. Then, by applying the nonlinear weighted least squares (WLS) algorithm, a PMU-based state estimator can solve for both AC and DC states simultaneously. To validate the algorithm, a simulation study for a 6-bus hybrid AC/DC test system is shown in this paper.

Place, publisher, year, edition, pages
IEEE , 2015.
Series
, IEEE Power and Energy Society General Meeting PESGM, ISSN 1944-9925
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-184579DOI: 10.1109/PESGM.2015.7285679ISI: 000371397500087ScopusID: 2-s2.0-84956855663ISBN: 978-1-4673-8040-9OAI: oai:DiVA.org:kth-184579DiVA: diva2:916704
Conference
General Meeting of the IEEE-Power-and-Energy-Society, JUL 26-30, 2015, Denver, CO
Note

QC 20160404

Available from: 2016-04-04 Created: 2016-04-01 Last updated: 2016-04-04Bibliographically approved

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ReferencesLink to record
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