A wind farm includes 40 wind machines, each with 10-m-radius blades that produces 45% of the maximum possible. For a wind speed of 8 m/s the power produced by the wind farm is nearest:
A) 1200 kW
B) 1500 kW
C) 1800 kW
D) 2100 kW
A) 1200 kW
The maximum power per wind machine operating at 45% of the maximum is
With 40 machines the power produced while the wind speed is 8 m/s is 40×44.5 =1780 kW.
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