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Article

Performance Characteristics of A Micro Wind Turbine Integrated on A Noise Barrier

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Department of Process & Energy (P&E), Delft University of Technology, 2628 CB Delft, The Netherlands
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Department of Aerodynamics Wind Energy Flight Performance & Propulsion (AWEP), Delft University of Technology, 2629 HS Delft, The Netherlands
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Qirion Alliander, 6921 RL Duiven, The Netherlands
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De Haagse Hogeschool, The Hague University, 2628 AL Delft, The Netherlands
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Author to whom correspondence should be addressed.
Academic Editor: David Wood
Energies 2021, 14(5), 1288; https://doi.org/10.3390/en14051288
Received: 26 January 2021 / Revised: 17 February 2021 / Accepted: 19 February 2021 / Published: 26 February 2021
(This article belongs to the Section Wind, Wave and Tidal Energy)
Micro wind turbines can be structurally integrated on top of the solid base of noise barriers near highways. A number of performance factors were assessed with holistic experiments in wind tunnel and in the field. The wind turbines underperformed when exposed in yawed flow conditions. The theoretical cosθ theories for yaw misalignment did not always predict power correctly. Inverter losses turned out to be crucial especially in standby mode. Combination of standby losses with yawed flow losses and low wind speed regime may even result in a net power consuming turbine. The micro wind turbine control system for maintaining optimal power production underperformed in the field when comparing tip speed ratios and performance coefficients with the values recorded in the wind tunnel. The turbine was idling between 20%–30% of time as it was assessed for sites with annual average wind speeds of three to five meters per second without any power production. Finally, the field test analysis showed that inadequate yaw response could potentially lead to 18% of the losses, the inverter related losses to 8%, and control related losses to 33%. The totalized loss led to a 48% efficiency drop when compared with the ideal power production measured before the inverter. Micro wind turbine’s performance has room for optimization for application in turbulent wind conditions on top of noise barriers. View Full-Text
Keywords: micro wind turbines; performance; experiment; field test micro wind turbines; performance; experiment; field test
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MDPI and ACS Style

Chrysochoidis-Antsos, N.; van Bussel, G.J.W.; Bozelie, J.; Mertens, S.M.; van Wijk, A.J.M. Performance Characteristics of A Micro Wind Turbine Integrated on A Noise Barrier. Energies 2021, 14, 1288. https://doi.org/10.3390/en14051288

AMA Style

Chrysochoidis-Antsos N, van Bussel GJW, Bozelie J, Mertens SM, van Wijk AJM. Performance Characteristics of A Micro Wind Turbine Integrated on A Noise Barrier. Energies. 2021; 14(5):1288. https://doi.org/10.3390/en14051288

Chicago/Turabian Style

Chrysochoidis-Antsos, Nikolaos, Gerard J.W. van Bussel, Jan Bozelie, Sander M. Mertens, and Ad J.M. van Wijk 2021. "Performance Characteristics of A Micro Wind Turbine Integrated on A Noise Barrier" Energies 14, no. 5: 1288. https://doi.org/10.3390/en14051288

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