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RSS FeedsEnergies, Vol. 12, Pages 2456: Small Wind Turbine Emulator Based on Lambda-Cp Curves Obtained under Real Operating Conditions (Energies)


26 june 2019 12:03:11

Energies, Vol. 12, Pages 2456: Small Wind Turbine Emulator Based on Lambda-Cp Curves Obtained under Real Operating Conditions (Energies)

This paper proposes a new on-site technique for the experimental characterization of small wind systems by emulating the behavior of a wind tunnel facility. Due to the high cost and complexity of these facilities, many manufacturers of small wind systems do not have a well knowledge of the characteristic λ - C p curve of their turbines. Therefore, power electronics converters connected to the wind generator are usually programmed with speed/power control curves that do not optimize the power generation. The characteristic λ - C p curves obtained through the proposed method will help manufacturers to obtain optimized speed/power control curves. In addition, a low cost small wind emulator has been designed. Programmed with the experimental λ - C p curve, it can validate, improve, and develop new control algorithms to maximize the energy generation. The emulator is completed with a new graphic user interface that monitors in real time both the value of the λ - C p coordinate and the operating point on the 3D working surface generated with the characteristic λ - C p curve obtained from the real small wind system. The proposed method has been applied to a small wind turbine commercial model. The experimental results demonstrate that the point of operation obtained with the emulator is always located on the 3D surface, at the same coordinates (rotor speed/wind speed/power) as the ones obtained experimentally, validating the designed emulator. Digg Facebook Google StumbleUpon Twitter
91 viewsCategory: Biophysics, Biotechnology, Physics
Energies, Vol. 12, Pages 2458: A New Wind Power Accommodation Strategy for Combined Heat and Power System Based on Bi-Directional Conversion (Energies)
Energies, Vol. 12, Pages 2455: The Use of CFD for the Design and Development of Innovative Configurations in Regenerative Glass Production Furnaces (Energies)
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