Maximum mechanical power extraction from wind turbines using novel proposed high accuracy single-sensor-based maximum power point tracking technique

Hassan Fathabadi

Energy, 2016, vol. 113, issue C, 1219-1230

Abstract: A novel high accuracy single-sensor-based maximum power point tracking (MPPT) technique is proposed to extract maximum mechanical power from wind turbines. The technique uses only one wind speed sensor to regulate turbine speed to its optimum value, i.e., there is no need for any shaft speed sensor (tachometer), shaft power meter, shaft torque meter, etc. Instead of using a shaft speed sensor, the instant angular speed of the turbine is precisely extracted from the output voltage of the generator coupled to the turbine. A wind energy conversion system has been built to evaluate the technique performance. The proposed MPPT technique is compared with the state-of-the-art MPPT techniques, it is experimentally verified that not only the MPPT efficiency of the method is 98.04%, which is significantly more than that of others, but also its convergence time is only 18 ms, which is the shortest convergence time compared to others. Very simple structure, low cost, and very good response to sudden variations in wind speed are the other advantages. The proposed MPPT technique is novel because it provides the highest MPPT efficiency along with the shortest tracking convergence time compared to the state-of-the-art MPPT techniques for extracting maximum mechanical power from wind turbines.

Keywords: Wind turbine; Turbine mechanical power; Maximum power point tracking; Wind speed sensor (search for similar items in EconPapers)
Date: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:113:y:2016:i:c:p:1219-1230

DOI: 10.1016/j.energy.2016.07.081

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