Variable Speed Control Analysis of Direct-Drive Wind Turbines Incorporating the Variable Gain Pitch Knowledge Identification Algorithm

Table 1

Fan parameters for simulation.

Parameter name	Value
Power rating (MW)	15
Cut-in speed (m/s)	35
Cut-out speed (m/s)	25
Wind wheel diameter (m)	83.05
Minimum generator speed (r/min)	945
Rated speed of generator (r/min)	1732.5
Gearbox gear ratio	105