Low-Cost Maximum Power Point Tracking Strategy and Protection Circuit Applied to an Ayanz Wind Turbine with Screw Blades

Aitor Arzuaga, Asier Estivariz, Oihan Fernández, Kristian Gubía, Ander Plaza, Gonzalo Abad () and David Cabezuelo Romero ()
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Aitor Arzuaga: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
Asier Estivariz: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
Oihan Fernández: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
Kristian Gubía: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
Ander Plaza: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
Gonzalo Abad: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain
David Cabezuelo Romero: Computer and Electronics Department, Mondragon Unibertsitatea, 20500 Mondragon, Spain

Energies, 2023, vol. 16, issue 17, 1-24

Abstract: This paper provides three different research contributions applied to a Wind Turbine patented in 1606 by the inventor Jerónimo de Ayanz y Beaumont. The windmill under study is the Ayanz Wind Turbine with screw blades. The first contribution consists of an experimental characterization of the Ayanz Wind Turbine, incorporating the enclosure proposed at the patent and showing that the efficiency of the wind turbine is increased between 70% and 90% due to the enclosure being employed. As not many details about the shape of the screw blades are provided at the patent, in this article the nowadays well-studied and commercially available Archimedes Spiral Wind Turbine blade is utilized. It has been observed that by using an enclosure with a cylindrical shape, not only the efficiency of the wind turbine is increased, but the visual impact is reduced as seeing the blades rotating is avoided, which is a very important fact for many potential individual users of this wind turbine. In addition, it also enables the use of a protective mesh for birds, almost totally reducing the probability of bird deaths. The second contribution consists in a simple and low-cost Maximum Power Point Tracking (MPPT) strategy for the wind turbine, which only uses an AC three-phase impedance to capture the maximum energy from the wind, enabling to eliminate the DC-DC converter and microprocessor employed typically for this purpose. Due to this, the cost, complexity, failure rate, and power losses of the electronic power circuit are reduced which is very welcomed for small-scale wind turbines. Finally, the last contribution is a protection electronic circuit that fulfills several objectives: to brake the wind turbine under high winds and to disconnect and protect it when over-currents occur and when the voltage range of the batteries connected to the wind turbine is outside their safety range.

Keywords: wind energy; Ayanz Wind Turbine; Archimedes turbine; Archimedes Spiral wind blade; small wind turbine; maximum power point tracking; power conversion system; protection system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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