A Condensed Introduction to the Doubly Fed Induction Generator Wind Energy Conversion Systems

Figure 1

Components of a wind turbine [5]. (1) Service crane. (2) Generator. (3) Cooling system. (4) Top control unit. (5) Gearbox. (6) Main shaft with two bearings. (7) Rotor lock system. (8) Blade. (9) Hub. (10) Hub cover. (11) Blade bearing. (12) Bed frame. (13) Hydraulic unit. (14) Shock absorbers. (15) Yaw ring. (16) Brake. (17) Tower. (18) Yaw gears. (19) Transmission high speed shaft.