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Advanced discretisation and visualisation methods for performance profiling of wind turbines
EluciDATA Lab of Sirris, BEL.
EluciDATA Lab of Sirris, BEL.
Blekinge Institute of Technology, Faculty of Computing, Department of Computer Science.ORCID iD: 0000-0003-3128-191x
2021 (English)In: Energies, E-ISSN 1996-1073, Vol. 14, no 19, article id 6216Article in journal (Refereed) Published
Abstract [en]

Wind turbines are typically organised as a fleet in a wind park, subject to similar, but varying, environmental conditions. This makes it possible to assess and benchmark a turbine’s output performance by comparing it to the other assets in the fleet. However, such a comparison cannot be performed straightforwardly on time series production data since the performance of a wind turbine is affected by a diverse set of factors (e.g., weather conditions). All these factors also produce a continuous stream of data, which, if discretised in an appropriate fashion, might allow us to uncover relevant insights into the turbine’s operations and behaviour. In this paper, we exploit the outcome of two inherently different discretisation approaches by statistical and visual analytics. As the first discretisation method, a complex layered integration approach is used. The DNA-like outcome allows us to apply advanced visual analytics, facilitating insightful operating mode monitoring. The second discretisation approach is applying a novel circular binning approach, capitalising on the circular nature of the angular variables. The resulting bins are then used to construct circular power maps and extract prototypical profiles via non-negative matrix factorisation, enabling us to detect anomalies and perform production forecasts. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

Place, publisher, year, edition, pages
MDPI , 2021. Vol. 14, no 19, article id 6216
Keywords [en]
Circular binning, Multi-source data, Non-negative matrix factorisation, Operating mode labelling, Performance monitoring, Wind turbine, Benchmarking, Factorization, Matrix algebra, Visualization, Wind power, Wind turbines, Discretization method, Discretizations, Labelings, Multisource data, Nonnegative matrix factorization, Operating mode labeling, Operating modes, Performance, Performance-monitoring, Non-negative matrix factorization
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering Energy Engineering
Identifiers
URN: urn:nbn:se:bth-22226DOI: 10.3390/en14196216ISI: 000809830800001Scopus ID: 2-s2.0-85116390051OAI: oai:DiVA.org:bth-22226DiVA, id: diva2:1605262
Funder
European Commission
Note

open access

This research was funded by the Region of Bruxelles-Capitale-Innoviris through the projects MISTic and ReWind and by the Flemish Government through the AI Research Program.

Available from: 2021-10-22 Created: 2021-10-22 Last updated: 2023-08-28Bibliographically approved

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Boeva, Veselka

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