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MODELING OF A HORIZONTAL AXIS WIND TURBINE IN THE MATLAB/SIMULINK SYSTEM

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ALTERNATIVE ENERGY

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Abstract. Introduction. In the global context of conserving fuel and energy resources, reducing greenhouse gas emissions into the atmosphere, and providing reliable and continuous electricity to residential and industrial sectors, renewable energy sources—including wind energy—occupy a leading position. Enhancing the efficiency of horizontal-axis wind energy systems under variable wind speeds is of great importance. Methods and Materials. A block diagram was developed in the MATLAB/Simulink system for modeling horizontal-axis wind turbines. The relationships between the turbine's mechanical power, torque, wind energy utilization coefficient, and wind speed variations, as well as blade pitch angles, were identified. Results. It was investigated that, with wind speeds ranging from 3 to 12 m/s, blade pitch angles varying from 0° to 10°, and rotor rotation speeds between 7 and 25 rad/s, the wind energy system produces 0.32 to 20.6 kW of mechanical power and 45.71 to 821 Nm of torque. The optimal blade pitch angle was determined to be 0° through the modeling process. Conclusion. A MATLAB/Simulink block diagram was developed to model and analyze the performance indicators of a 20.5 kW horizontal-axis wind energy system under variable wind flows and blade pitch angles. According to the research results, for wind speed ranges between 3 and 12 m/s and blade pitch angles from 0° to 10°, the rotor rotation speed is 7 to 25 rad/s, turbine mechanical torque is 45.71 to 821 Nm, and turbine mechanical power is 0.32 to 20.6 kW. It was substantiated that the optimal coefficient of rotational speed for the turbine blades set at a pitch angle of 0° is 8.1.

AUTHORS

A.Safarov

Qarshi davlat texnika universiteti

Q.Sayfiddinov

Buxoro davlat texnika universiteti

Tags

# MATLAB/SIMULINK# shamol tezligi# скорость ветра# wind speed# gorizontal o‘qli shamol turbinas# shamol energiyasidan foydalanish# mexanik quvvat va moment# horizontal-axis wind turbine# wind energy utilization coeffici# mechanical power and torque# горизонтально-осевая ветровая ту# коэффициент использования ветров# механическая мощность и момент

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Article Identifiers

ROI:

https://eroi.uz/11.0032/A0825-0025

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Not Available

References

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