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. 2022 Nov 8;8(11):e11458.
doi: 10.1016/j.heliyon.2022.e11458. eCollection 2022 Nov.

Development of a wind turbine for a hybrid solar-wind power system

Affiliations

Development of a wind turbine for a hybrid solar-wind power system

Adedotun Adetunla et al. Heliyon. .

Abstract

Conventional energy supply has not been able to meet the energy needs of most developing nations. This calls for the need to invest in renewable energy systems which are not only sustainable but clean, abundant, and easily assessable. This research presents a study of wind variability by using wind data got from a weather station to design and fabricate a small-scale horizontal axis wind turbine (HAWT). This was done by using locally sourced materials for a Hybrid Solar-Wind power system for irrigation purposes, as a performance evaluation of the turbine. The materials used in the fabrication of the turbine include wood, polyvinyl chloride plastic, acrylic glass, Teflon, and steel all sourced locally. From the evaluation, the power capacity of the wind turbine was derived to be 40 W, 41 W and 43 W from the voltage and current output reading on the multi-meter from three average wind speed variations of 5 m/s, 10 m/s and 15 m/s measured from handheld digital anemometers respectively. A regression analysis of the relationship between the turbine's power capacity and the wind speed showed that the turbine operates best at low speed of 5 m/s, with an R2 value of 0.9602. The fabricated wind turbine was connected to a hybrid power system with the second energy source consisting of a 40 W solar tracking system to give a more stable power supply. The system was used for soil monitoring irrigation purposes. The design of the HAWT indicates a cheap, alternative and sustainable energy source that is more stable and suitable for smart solar panel irrigation system.

Keywords: Local content; Machine design; Renewable energy; Soil moisture; Wind turbine.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Wind speed map for Nigeria [9].
Figure 2
Figure 2
The horizontal axis wind turbine.
Figure 3
Figure 3
Taper turning.
Figure 4
Figure 4
2.5D rendering of the electrical circuit.
Figure 5
Figure 5
Schematic diagram of electrical circuit.
Figure 6
Figure 6
Schematic diagram of a DC-DC booster converter.
Figure 7
Figure 7
Waveform of full bridge rectifier.
Figure 8
Figure 8
Assembly of the wind turbine.
Figure 9
Figure 9
(a)The water storage and supply control, (b) soil moisture sensor.
Figure 10
Figure 10
Hybrid power system circuit diagram.
Figure 11
Figure 11
Wind speed distribution for 40 days.
Figure 12
Figure 12
Wind turbine power capacity at low wind speed.
Figure 13
Figure 13
Wind turbine power capacity at medium wind speed.
Figure 14
Figure 14
Wind turbine power capacity at medium wind speed.
Figure 15
Figure 15
Screenshot of the serial monitor for soil moisture sensing.

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