Initial results from a field campaign of wake steering applied at a commercial wind farm – Part 1 Article Swipe

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Paul Fleming , Jennifer King , Katherine Dykes , Eric Simley , Jason Roadman , Andrew Scholbrock , Patrick C. Murphy , Julie K. Lundquist , Patrick Moriarty , Katherine E. Fleming-Dutra , Jeroen van Dam , Christopher J. Bay , Rafael Mudafort , Hector Lopez , Jason Skopek , Michael Scott , Brady Ryan , Charles Guernsey , Dan Brake ·

YOU? · · 2019 · Open Access · · DOI: https://doi.org/10.5194/wes-4-273-2019 · OA: W2913284546

Wake steering is a form of wind farm control in which turbines use yaw offsets to affect wakes in order to yield an increase in total energy production. In this first phase of a study of wake steering at a commercial wind farm, two turbines implement a schedule of offsets. Results exploring the observed performance of wake steering are presented and some first lessons learned. For two closely spaced turbines, an approximate 14 % increase in energy was measured on the downstream turbine over a 10∘ sector, with a 4 % increase in energy production of the combined upstream–downstream turbine pair. Finally, the influence of atmospheric stability over the results is explored.