Pitch Controller Design of Wind Turbine Based on Nonlinear PI/PD Control

Figure 19

Responses under step-change wind speed. (a) Wind speed curve. (b) Electromagnetic power curve. (c) Electromagnetic torque curve. (d) Generator rotor speed curve. (e) Pitch angle curve. (f) Wind turbine power coefficient curve.

(a)

(b)

(c)

(d)

(e)

(f)