...A wind turbine, as the name implies, is driven by the kinetic energy of the wind and drives a synchronous generator or an induction generator that converts the mechanical energy into electrical energy. This chapter presents the primary parts of wind turbines, from the control of the rotor blades...

...Wind turbines Wind energy Grid stability Introduction Wind energy technology has experienced important improvements in the years since 2000 ( Blaabjerg et al., 2002 ) due to the technological improvement of wind turbines from fixed speed to variable speed. The doubly fed induction...

...DFIG Wind turbines Grid stability Converters Introduction The main ancillary services in a power system are the power-frequency control and voltage control. These services must be provided by each generator connected to the grid. In order to provide the ancillary service of voltage...

... rotor, and wind turbine blades. The two-dimensional assumption is reasonable because the blades of modern wind turbines are long and slender, making the flow field for most of the blade inherently two-dimensional, i.e., the spanwise component of the flow is negligible. Therefore, the aerodynamic...

...Aeroelastic effects aerodynamics structural model structural dynamics Introduction Aeroelastic effects on wind turbines are one of the important factors in designing wind turbines. This topic has a special place in wind energy subject because it holds the key to connect the aerodynamic...

...Blade theory engineering model momentum theory steady and unsteady models wind turbine loads Blade Element Momentum Theory Understanding the aerodynamic loads acting on rotating blades is important for designing a wind turbine rotor. Present design codes rely heavily on the so-called Blade...

... Myers and Bahaj (2010) . Despite the good results obtained using the aforementioned approaches, these methods still lack several aspects compared to the real physics of wind turbine aerodynamics. First, these two models do not include any variation in the radial direction. In reality, the aerodynamic...

...Atmospheric inflow CFD engineering model turbulent inflow Introduction With ever-increasing turbine size incorporating longer blades to efficiently generate power, the interactions between atmospheric turbulence and wind turbines are intensified, resulting in greater influence on wind turbine...