Initial Results From a Field Campaign of Wake Steering Applied at a Commercial Wind Farm: Part 1

Paul Fleming, Eric Simley, Jason Roadman, Julie Lundquist, Patrick Moriarty, Katherine Fleming, Jeroen van Dam, Christopher Bay, Rafael Mudafort, Hector Lopez, Jason Skopec, Michael Scott, Brady Ryan, Charles Guernsey, Dan Brake, Katherine Dykes, Andrew Scholbrock, Patrick Murphy

Research output: Contribution to journalArticle

129 Scopus Citations

Abstract

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, as well as some first lessons learned. For two closely spaced turbines, an approximate 13 % increase in energy was measured on the downstream turbine over a 10 degree sector. Additionally, the increase of energy for the combined upstream/downstream pair was found to be in line with prior predictions. Finally, the influence of atmospheric stability over the results is explored.
Original languageAmerican English
Number of pages22
JournalWind Energy Science Discussions
DOIs
StatePublished - 2019

Bibliographical note

See NREL/JA-5000-73991 for final paper as published in Wind Energy Science

NREL Publication Number

  • NREL/JA-5000-72998

Keywords

  • wake steering
  • wind farm control

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