Visualizing the Maximum Energy Zone of Wind Turbines Operating at Time-Varying Wind Speeds

Cristian Paul Chioncel, Elisabeta Spunei () and Gelu-Ovidiu Tirian
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Cristian Paul Chioncel: Department of Engineering Sciences, Faculty of Engineering, Babes-Bolyai University, 400028 Cluj-Napoca, Romania
Elisabeta Spunei: Department of Engineering Sciences, Faculty of Engineering, Babes-Bolyai University, 400028 Cluj-Napoca, Romania
Gelu-Ovidiu Tirian: Department of Electrical Engineering and Industrial Informatics, Faculty of Engineering Hunedoara, Polytechnic University of Timisoara, 300006 Timisoara, Romania

Sustainability, 2024, vol. 16, issue 7, 1-27

Abstract: Wind turbines are one of the leading renewable sources of electricity. They are located in areas where the energy potential of the wind is high and more or less permanent. Their efficient operation depends on certain technical characteristics of the entire wind system (wind turbines, generator, automation system, regulation, and control). This paper analyses experimental data from wind turbines, WT, in the Dobrogea area: wind speed, v , velocity, n , and power, P EG , at the electric generator, EG. These are used to identify the local maxima of wind turbine power at different wind speeds. Based on this, a mathematical model for wind turbines and the power losses caused by inefficient control are determined. The mathematical model is used to visualize the maximum energy zones. At the end of this study, an algorithm is given that allows for the visualization of the optimal energy zone. The algorithm resulting from the analyzed case studies can be implemented by the control system in order to maximize the produced electricity with any variation in wind speed.

Keywords: time-dependent wind; wind turbines; maximum power point; mechanical angular velocity; mathematical model; validation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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