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Specifications
¡ñ General
Rotor diameter 51.5m (750 kW)
51.5m or 54.0m (900 kW)
Rotor speed Variable, 12 - 28 rpm
Nominal power output 750 kW
900 kW
Cut-in wind speed 2.5 m/s
Rated wind speed 13 m/s
Cut-out wind speed 25 m/s, 10 minute average
Survival wind speed 59.5 m/s
Power output control pitch controlled variable speed
¡ñ Drive system
Generator Synchronous air-cooled, multi-pole, wound-rotor
Power converter Full-power, IGBT-controlled AC-DC-AC ¡®back-to-back¡¯ type
¡ñ Tower
Type Conical tubular steel, internal ascent
Hub heights 40, 50 and 75 m
¡ñ Safety systems
Main brake action Individual rotor blade pitch (three independent brakes)
Fail-safe brake Individual rotor blade pitch
by three independent battery-powered back-up units
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