Research Article

Development of an Analytically Described Pitch Regulator for a Wind Turbine to Be Used for Grid Disturbance Studies

Figure 11

Step response of the pitch regulated WT system when the spinning reserve ability is activated and the power is reduced with 90%: (a) power level, (b) output torque, and (c) rotor speed, (d) pitch angle.
203174.fig.0011a
(a)
203174.fig.0011b
(b)
203174.fig.0011c
(c)
203174.fig.0011d
(d)