Articles | Volume 6, issue 3
Wind Energ. Sci., 6, 759–775, 2021
https://doi.org/10.5194/wes-6-759-2021
Wind Energ. Sci., 6, 759–775, 2021
https://doi.org/10.5194/wes-6-759-2021
Research article
28 May 2021
Research article | 28 May 2021

Wind inflow observation from load harmonics: initial steps towards a field validation

Marta Bertelè et al.

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Cited articles

Bachmann Electronic GmbH: Hardware und installation, available at: https://www.bachmann.info/produkte/condition-monitoring-system/hardware-und-installation/, last access: 12 January 2021. a
Bertelè, M. and Bottasso, C. L.: Initial results from the field testing of the rotor-as-a-sensor concept, J. Phys.: Conf. Ser., 1452, 012074, https://doi.org/10.1088/1742-6596/1452/1/012074, 2020. a
Bertelè, M., Bottasso, C. L., Cacciola, S., Daher Adegas, F., and Delport, S.: Wind inflow observation from load harmonics, Wind Energ. Sci., 2, 615–640, https://doi.org/10.5194/wes-2-615-2017, 2017. a, b, c, d, e, f, g, h
Bertelè, M., Bottasso, C. L., and Cacciola, S.: Simultaneous estimation of wind shears and misalignments from rotor loads: formulation for IPC-controlled wind turbines, J. Phys.: Conf. Ser., 1037, 032007, https://doi.org/10.1088/1742-6596/1037/3/032007, 2018. a, b, c
Bertelè, M., Bottasso, C. L., and Cacciola, S.: Brief communication: Wind inflow observation from load harmonics – wind tunnel validation of the rotationally symmetric formulation, Wind Energ. Sci., 4, 89–97, https://doi.org/10.5194/wes-4-89-2019, 2019. a, b, c, d, e
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Short summary
A previously published wind sensing method is applied to an experimental dataset obtained from a 3.5 MW turbine and a nearby hub-tall met mast. The method uses blade load harmonics to estimate rotor-equivalent shears and wind directions at the rotor disk. Results indicate the good quality of the estimated shear, both in terms of 10 min averages and of resolved time histories, and a reasonable accuracy in the estimation of the yaw misalignment.