Components of the WT: 1-Base/Foundations; 2-Tower; 3-Blades; 4-Meteorological unit (vane and anemometry); 5-Nacelle; 6-Pitch system; 7-Hub; 8-Main bearing; 9- Low
speed (main) shaft; 10-Gearbox; 11- High speed shaft; 12-Brake system; 13-Generator; 14-Yaw system, 15-Converter, 16-Bedplate. N.B. Drive train ¼ 9 þ 11.