Table 5 Selected features for representative pareto solutions with importance metrics.
Dataset | Solution type | Feature count | Top-10 selected features (with MI scores) | RMSE |
|---|---|---|---|---|
Kelmarsh | Best-Efficiency | 58 | Nacelle wind speed (0.487), Active power (0.453), Rotor speed (0.401), Generator torque (0.385), Blade pitch angle (0.357), Wind direction (0.323), Ambient temperature (0.299), Air density (0.277), Turbulence intensity (0.254), Power coefficient (0.235) | 0.4234 kW |
Kelmarsh | Balanced | 97 | [Same top-10 as above] + Reactive power (0.218), Grid voltage (0.205), Generator temperature (0.198), Bearing temperature (0.187), Yaw angle (0.176), Hub temperature (0.165)… | 0.2567 kW |
VV farms | Best-Efficiency | 12 | Active power (0.412), Rotor speed (0.379), Generator torque (0.346), Tip speed ratio (0.323), Power coefficient (0.301), Wind speed (0.288), Blade pitch (0.265), Ambient temp (0.243), Wind direction (0.223), Air density (0.210), Reactive power (0.198), Voltage (0.185) | 0.40 kW |
VV farms | Balanced | 21 | [All 12 from above] + Grid frequency (0.172), Humidity (0.165), Atmospheric pressure (0.158)… | 0.2467 kW |
RAC | Best-efficiency | 2 | Reference speed setpoint (0.623), Instantaneous rotor speed (0.457) | 0.1389 RPM |
RAC | Balanced | 3 | Reference speed setpoint (0.623), Instantaneous rotor speed (0.457), Output voltage (0.289) | 0.1267 RPM |
