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Validation of a non-contact technique for torque measurements in wind turbines using an enhanced transient FSV approach

Zhang, G; Zappalá, D.; Crabtree, C.; Donaghy-Spargo, C.; Hogg, S.; Duffy, A.

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Authors

G Zhang

D. Zappalá

A. Duffy



Abstract

In-service turbine monitoring is essential for maximizing the wind energy contribution to the global energy budget. Measurement of turbine shaft torque under transient wind conditions is fundamental to develop reliable condition monitoring techniques. Contact based measurements bring their own disadvantages and non-contactless measurements have many potential advantages. However, their performance needs to be validated against standard methods. This paper focuses on the development of an enhanced transient Feature Selective Validation (FSV) techniques to undertake this analysis with an emphasis on transient data processing. The nature of FSV makes it a natural technique to consider for this problem space. Open questions have existed as to how transients should be dealt with in FSV. This paper overcomes the limitations of previous approaches for step-function transient comparison and presents analytical methods to ensure the transient feature itself is considered, irrespective of how much pre- and post- transient data happens to be included.

Citation

Zhang, G., Zappalá, D., Crabtree, C., Donaghy-Spargo, C., Hogg, S., & Duffy, A. (2020). Validation of a non-contact technique for torque measurements in wind turbines using an enhanced transient FSV approach. Measurement, 151, Article 107261. https://doi.org/10.1016/j.measurement.2019.107261

Journal Article Type Article
Acceptance Date Nov 7, 2019
Online Publication Date Nov 11, 2019
Publication Date Feb 28, 2020
Deposit Date Nov 8, 2019
Publicly Available Date Dec 5, 2019
Journal Measurement.
Print ISSN 0263-2241
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 151
Article Number 107261
DOI https://doi.org/10.1016/j.measurement.2019.107261

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