N80-nacel

1.	The Rotor Blades are made of glass fibre reinforced plastic. The rotor is pitch regulated	6.	The Gearbox is a custom design 2-stage planetary gear	11.	The Fan Coolers for the generator cooling	16.	The Yaw Bearing is a 4-point ball-bearing with outer teething. In addition the turbine is equipped with an active yaw disc brake system
2.	The Hub is made of cast iron	7.	The Disk Brake is equipped with two brake calipers and located on the high speed shaft of the gearbox	12.	The Wind Measuring System consists of a redundant anemometer and wind vane, which measures the wind conditions and gives signal to the turbine control system	17.	The Nacelle Cover is made of glass fibre reinforced plastic on a steel frame
3.	The Turbine Frame is made of ductile cast iron. A superior material with regards to strength, vibration and noise reduction features	8.	The Generator Coupling is a flexible coupling	13.	The Control System monitors and controls the operation of the wind turbine	18.	The Tower is a tubular steel structure which can be delivered in various heights
4.	The Rotor Bearing is a solid double spherical roller bearing with a ductile cast iron casing	9.	The Generator is a 2500 kW liquid cooled double-fed asynchronous generator	14.	The Hydraulic System maintains and controls the hydraulic pressure to the disc brakes and the yaw brake system	19.	The Pitch system consists of 3 independent pitch gears, driven by electrical motors
5.	The Rotor Shaft is made of ductile cast iron	10.	The Cooling Radiator is a part of the gearbox cooling system	15.	The Yaw Drive consists of 2 planetary yaw gears, driven by frequency controlled electrical motors