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Specification

Machine detailed specification
General data  
Design Class IEC Class IA (19 m) Class IIA (22.5 m)
Design life 20 years
Hub Height Between 25 and 45 meters
Tower type Select Tubular steel / Lattice
Rotor diameter 19 meter or 22.5 meter
Control & operation Variable speed stall controlled upwind operation
Operational Data  
Rated electrical power 100 kW at 1.225 Kg/m3 air density
Rated wind speed 14 m/s @ Ø 19 m, 11 m/s @ Ø 22.5 m
Rotating speed at full power 61 rpm @ Ø 19 m, 50 rpm @ Ø 22.5 m
Cut-in wind speed 3.5 m/s
Cut-out wind speed 24 m/s
Extreme wind speed 70 m/s @ Ø19 m 59.5 m/s @ Ø 22.5 m
Machine configuration  
Blades Hybrid carbon fiber/glass fiber epoxy
Operation braking system Electrical torque request/chopper
Normal shutdown procedure Electrical torque request/blade stall
Emergency braking system Disc brake
Yaw system Redundant motor-gearbox system
Generator Permanent magnet/multipole generator. No gearbox required
Electronics Full converter PWM IGBT system
Power factor Adjustable between 0.9 inductive to 0.9 capacitive
Rated voltage 400 VAC 50/60 Hz
Monitoring system Remote monitoring system Ethernet based