Detecting wind turbine wakes with nacelle lidars: Paper

D. P. Held, A. Larvol, Jakob Mann

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

175 Downloads (Pure)

Abstract

Because the horizontal homogeneity assumption is violated in wakes flows, lidars face difficulties when reconstructing wind fields. Further, small-scale turbulence which is prevalent in wake flows causes Doppler spectrum widths to be broader than in the free stream. In this study the Doppler peak variance is used as a detection parameter for wakes. A one month long measurement campaign, where a continuous-wave lidar on a turbine has been exposed to multiple wake situations, is used to test the detection capabilities. The results show that it is possible to identify situation where a downstream turbine is in wake by comparing the peak widths. The used lidar is inexpensive and brings instalments on every turbine within economical reach. Thus, the information gathered by the lidars can be used for improved control at wind farm level.
Original languageEnglish
Title of host publicationWake Conference 2017
Number of pages5
Volume854
Publication date2017
Article number012020
DOIs
Publication statusPublished - 2017
EventWake Conference 2017 - Visby, Sweden
Duration: 30 May 20171 Jun 2017
http://standupforwind.se/wake-conference-2017/

Conference

ConferenceWake Conference 2017
CountrySweden
CityVisby
Period30/05/201701/06/2017
Internet address
SeriesJournal of Physics: Conference Series
ISSN1742-6596

Cite this

Held, D. P., Larvol, A., & Mann, J. (2017). Detecting wind turbine wakes with nacelle lidars: Paper. In Wake Conference 2017 (Vol. 854). [012020] Journal of Physics: Conference Series https://doi.org/10.1088/1742-6596/854/1/012020
Held, D. P. ; Larvol, A. ; Mann, Jakob. / Detecting wind turbine wakes with nacelle lidars : Paper. Wake Conference 2017. Vol. 854 2017. (Journal of Physics: Conference Series).
@inproceedings{50b9b39bbc8142b6867a24e8e16e066e,
title = "Detecting wind turbine wakes with nacelle lidars: Paper",
abstract = "Because the horizontal homogeneity assumption is violated in wakes flows, lidars face difficulties when reconstructing wind fields. Further, small-scale turbulence which is prevalent in wake flows causes Doppler spectrum widths to be broader than in the free stream. In this study the Doppler peak variance is used as a detection parameter for wakes. A one month long measurement campaign, where a continuous-wave lidar on a turbine has been exposed to multiple wake situations, is used to test the detection capabilities. The results show that it is possible to identify situation where a downstream turbine is in wake by comparing the peak widths. The used lidar is inexpensive and brings instalments on every turbine within economical reach. Thus, the information gathered by the lidars can be used for improved control at wind farm level.",
author = "Held, {D. P.} and A. Larvol and Jakob Mann",
year = "2017",
doi = "10.1088/1742-6596/854/1/012020",
language = "English",
volume = "854",
series = "Journal of Physics: Conference Series",
publisher = "IOP Publishing",
booktitle = "Wake Conference 2017",

}

Held, DP, Larvol, A & Mann, J 2017, Detecting wind turbine wakes with nacelle lidars: Paper. in Wake Conference 2017. vol. 854, 012020, Journal of Physics: Conference Series, Wake Conference 2017, Visby, Sweden, 30/05/2017. https://doi.org/10.1088/1742-6596/854/1/012020

Detecting wind turbine wakes with nacelle lidars : Paper. / Held, D. P.; Larvol, A.; Mann, Jakob.

Wake Conference 2017. Vol. 854 2017. 012020 (Journal of Physics: Conference Series).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

TY - GEN

T1 - Detecting wind turbine wakes with nacelle lidars

T2 - Paper

AU - Held, D. P.

AU - Larvol, A.

AU - Mann, Jakob

PY - 2017

Y1 - 2017

N2 - Because the horizontal homogeneity assumption is violated in wakes flows, lidars face difficulties when reconstructing wind fields. Further, small-scale turbulence which is prevalent in wake flows causes Doppler spectrum widths to be broader than in the free stream. In this study the Doppler peak variance is used as a detection parameter for wakes. A one month long measurement campaign, where a continuous-wave lidar on a turbine has been exposed to multiple wake situations, is used to test the detection capabilities. The results show that it is possible to identify situation where a downstream turbine is in wake by comparing the peak widths. The used lidar is inexpensive and brings instalments on every turbine within economical reach. Thus, the information gathered by the lidars can be used for improved control at wind farm level.

AB - Because the horizontal homogeneity assumption is violated in wakes flows, lidars face difficulties when reconstructing wind fields. Further, small-scale turbulence which is prevalent in wake flows causes Doppler spectrum widths to be broader than in the free stream. In this study the Doppler peak variance is used as a detection parameter for wakes. A one month long measurement campaign, where a continuous-wave lidar on a turbine has been exposed to multiple wake situations, is used to test the detection capabilities. The results show that it is possible to identify situation where a downstream turbine is in wake by comparing the peak widths. The used lidar is inexpensive and brings instalments on every turbine within economical reach. Thus, the information gathered by the lidars can be used for improved control at wind farm level.

U2 - 10.1088/1742-6596/854/1/012020

DO - 10.1088/1742-6596/854/1/012020

M3 - Article in proceedings

VL - 854

T3 - Journal of Physics: Conference Series

BT - Wake Conference 2017

ER -

Held DP, Larvol A, Mann J. Detecting wind turbine wakes with nacelle lidars: Paper. In Wake Conference 2017. Vol. 854. 2017. 012020. (Journal of Physics: Conference Series). https://doi.org/10.1088/1742-6596/854/1/012020