Influence of atmospheric conditions on the power production of utility-scale wind turbines in yaw misalignment

MF Howland, CM González, JJP Martínez… - Journal of Renewable …, 2020 - pubs.aip.org
The intentional yaw misalignment of leading, upwind turbines in a wind farm, termed wake
steering, has demonstrated potential as a collective control approach for wind farm power …

Dynamic wake steering and its impact on wind farm power production and yaw actuator duty

S Kanev - Renewable energy, 2020 - Elsevier
Wake redirection is a wind farm control strategy that aims at increasing the overall power
yield of a wind farm. It involves intentional misalignment of the rotors of upstream wind …

Wake steering via yaw control in multi-turbine wind farms: Recommendations based on large-eddy simulation

CL Archer, A Vasel-Be-Hagh - Sustainable Energy Technologies and …, 2019 - Elsevier
The rotor area of a wind turbine must be perfectly perpendicular to the wind to deliver the
most efficient performance as a single unit (ie, yaw angle γ= 0°). When the rotor is …

The Coriolis force and the direction of rotation of the blades significantly affect the wake of wind turbines

R Nouri, A Vasel-Be-Hagh, CL Archer - Applied Energy, 2020 - Elsevier
The aerodynamic interactions of wind turbines within a wind farm cause major energy
losses. Yaw control is a promising active strategy to tackle this issue in real time during the …

Yaw-misalignment and its impact on wind turbine loads and wind farm power output

MT van Dijk, JW van Wingerden, T Ashuri… - Journal of Physics …, 2016 - iopscience.iop.org
To make wind energy cost competitive with traditional resources, wind turbines are
commonly placed in groups. Aerodynamic interaction between the turbines causes sub …

[HTML][HTML] Wind tunnel study on power output and yaw moments for two yaw-controlled model wind turbines

J Bartl, F Mühle, L Sætran - Wind Energy Science, 2018 - wes.copernicus.org
In this experimental wind tunnel study the effects of intentional yaw misalignment on the
power production and loads of a downstream turbine are investigated for full and partial …

Field investigation on the influence of yaw misalignment on the propagation of wind turbine wakes

M Bromm, A Rott, H Beck, L Vollmer, G Steinfeld… - Wind …, 2018 - Wiley Online Library
A comprehensive understanding of the wake development of wind turbines is essential for
improving the power yield of wind farms and for reducing the structural loading of the …

Analytical model for the power–yaw sensitivity of wind turbines operating in full wake

J Liew, AM Urbán, SJ Andersen - Wind Energy Science, 2020 - wes.copernicus.org
Wind turbines are designed to align themselves with the incoming wind direction. However,
turbines often experience unintentional yaw misalignment, which can significantly reduce …

Estimating the wake deflection downstream of a wind turbine in different atmospheric stabilities: an LES study

L Vollmer, G Steinfeld, D Heinemann… - Wind Energy …, 2016 - wes.copernicus.org
An intentional yaw misalignment of wind turbines is currently discussed as one possibility to
increase the overall energy yield of wind farms. The idea behind this control is to decrease …

Load alleviation of wind turbines by yaw misalignment

KA Kragh, MH Hansen - Wind Energy, 2014 - Wiley Online Library
Vertical wind shear is one of the dominating causes of load variations on the blades of a
horizontal axis wind turbine. To alleviate the varying loads, wind turbine control systems …