Consider a proposed offshore wind farm composed of 106 siemens direct drive wind turbines each with a rated capacity of 6.00 mw. each wind turbine has a rotor diameter of 154 meters, an effectiveness of 67.5%, and a generator efficiency of 96.0%. the array efficiency is 80.0%. it is estimated that the wind farm will generate 2500 gwh of electricity annually. each wind turbine requires 400 hours of maintenance annually. the density of air is 1.225 kg/m3.

a. what is the coefficient of performance for the turbine rotor (%)

b. what is the overall efficiency of the proposed wind farm (%)?

c. what is the capacity factor of the proposed wind farm (%)?

d. what is the swept area of the proposed wind turbines (m2)?

e. what is the rated wind speed for the proposed wind turbines (m/s)?

f. what is the availability of the proposed wind turbines (%)?