Power performance optimization and loads alleviation with active flaps using individual flap control

Vasilis Pettas, Athanasios Barlas, Drew Patrick Gertz, Helge Aagaard Madsen

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Abstract

The present article investigates the potential of Active Trailing Edge Flaps (ATEF) in terms of increase in annual energy production (AEP) as well as reduction of fatigue loads. The basis for this study is the DTU 10 MW Reference Wind Turbine (RWT) simulated using the aeroelastic code HAWC2. In an industrial-oriented manner the baseline rotor is upscaled by 5% and the ATEFs are implemented in the outer 30% of the blades. The flap system is kept simple and robust with a single flap section and control with wind speed, rotor azimuth, root bending moments and angle of attack in flap's mid-section being the sensor inputs. The AEP is increased due to the upscaling but also further due to the flap system while the fatigue loads in components of interest (blade, tower, nacelle and main bearing) are reduced close to the level of the original turbine. The aim of this study is to demonstrate a simple and applicable method that can be a technology enabler for rotor upscaling and lowering cost of energy.
Original languageEnglish
Article number012010
Book seriesJournal of Physics: Conference Series (Online)
Volume749
Issue number1
Number of pages10
ISSN1742-6596
DOIs
Publication statusPublished - 2016
EventWindEurope Summit 2016 - Congress Center Hamburg, Hamburg, Germany
Duration: 27 Sep 201629 Sep 2016
https://windeurope.org/summit2016/conference/

Conference

ConferenceWindEurope Summit 2016
LocationCongress Center Hamburg
CountryGermany
CityHamburg
Period27/09/201629/09/2016
Internet address

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