Linear and Nonlinear Schemes Applied to Pitch Control of Wind Turbines

Table 2

Nominal Parameters of the WECS.

Parameters	Value
Blade radius [m]	40
Air density [kg·m^3]	1.25
Cut in wind speed [m/s]	3
Cut out wind speed [m/s]	25
Rated wind speed [m/s]	12.6
Turbine Inertia [kg·m^2]	90 × 10^6
Rated Turbine Speed [rad/s]	1.5
Generator Inertia [kg·m^2]	90
Gearbox Ratio	100
Generator Rated Torque [N·m]	1 × 10^6
Generator Rated Power [MW]	1.5
Response time of the pitch actuator [s]	0.5