Articles | Volume 7, issue 2
https://doi.org/10.5194/wes-7-505-2022
https://doi.org/10.5194/wes-7-505-2022
Research article
 | 
09 Mar 2022
Research article |  | 09 Mar 2022

Input torque measurements for wind turbine gearboxes using fiber-optic strain sensors

Unai Gutierrez Santiago, Alfredo Fernández Sisón, Henk Polinder, and Jan-Willem van Wingerden

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Identification of operational deflection shapes of a wind turbine gearbox using fiber-optic strain sensors on a serial production end-of-line test bench
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Cited articles

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dmt group.com: DMT GmbH & Co. KG, available at: https://www.dmt-group.com, last access: 30 April 2021. a
Egeling, T., Hidding, E., Hövelbrinks, N., Endemann, D., Uhlending, M., Bonnet, P., Dekkers, R., Hendicx, W., and Vandermeulen, W.: Digital gearbox use case, available at: https://www.winergy-group.com/en/DigitalGearboxUseCase, last access: 24 November 2021. a
Girsang, I. P., Dhupia, J. S., Muljadi, E., Singh, M., and Pao, L. Y.: Gearbox and Drivetrain Models to Study Dynamic Effects of Modern Wind Turbines, IEEE T. Ind. Appl., 50, 3777–3786, https://doi.org/10.1109/TIA.2014.2321029, 2014. a
Glavind, L., Olesen, I., Skipper, B., and Kristensen, M.: Fiber-optical grating sensors for wind turbine blades: a review, Opt. Eng., 52, 1–10, https://doi.org/10.1117/1.OE.52.3.030901, 2013. a
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Short summary
The gearbox is one of the main contributors to the overall cost of wind energy, and it is acknowledged that we still do not fully understand its loading. The study presented in this paper develops a new alternative method to measure input rotor torque in wind turbine gearboxes, overcoming the drawbacks related to measuring on a rotating shaft. The method presented in this paper could make measuring gearbox torque more cost-effective, which would facilitate its adoption in serial wind turbines.
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