4. Wind power content is given by P=0.5 PAV3 Watts where p is the density of air (1.2 kgm-3), A is the area swept by the

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4 Wind Power Content Is Given By P 0 5 Pav3 Watts Where P Is The Density Of Air 1 2 Kgm 3 A Is The Area Swept By The 1 (28.55 KiB) Viewed 52 times

4 Wind Power Content Is Given By P 0 5 Pav3 Watts Where P Is The Density Of Air 1 2 Kgm 3 A Is The Area Swept By The 2 (19.27 KiB) Viewed 52 times

4. Wind power content is given by P=0.5 PAV3 Watts where p is the density of air (1.2 kgm-3), A is the area swept by the rotor and V is the velocity of the wind. Over a typical day, the mean velocity of the wind over two hour periods is as follows: Hour Velocity (m.s'¹) 00-02 4.0 02-04 6.0 04-06 5.0 06-08 8.0 08-10 10.0 10-12 12.0 12-14 12.0 14-16 11.0 16-18 7.0 18-20 4.0 20-22 5.0 22-24 3.0
Electricity can be generated whenever the wind velocity exceeds 4.5 ms-1, and the turbine is regulated to give a constant output when the velocity equals or exceeds 10.94 ms-1¹. Furthermore the cut-out speed is 20 m/s. Estimate the electric energy generated in the 24 hour period. Give your answer in kWh. The area swept by the rotor is 4.0m² and the power coefficient of the wind turbine is 0.26. The mechanical to electrical conversion efficiency is 0.87.