NM80/2750	Technical data
	Operational data Nominal output Power regulation Nominal wind speed Cut-in Cut-out	<2750 KW Pitch - regulation and variable number of revolutions 16 m/s 3-4 m/s 25 m/s
	Rotor Rotor diameter Rotor swept area Number of blades Rotor revolutions Rotor orientation	80 m 5027 m3 3 12 - 17.5 rpm Upwind
	Brake system Turnable blades Disc brake	Electric, fail - safe. Bettery - Backup 1 pcs. hydraulic, fail safe
	Drive train Gear type Ratio Main shaft Main bearing Cooling	3-stage planet/helical hybrid 1:63 Forged shaft and flange Spherical roller bearing Liquid - cooled with pump
	Generator Type Nominal voltage Nominal frequency Nominal plate rating Cooling	Double fed induction generator, water cooled 3x690 V Rotor/3x960 V Stator 50 Hz < 2750 Kw Liquid - cooled with pump
	Yaw system Type Yaw brake Drive mechanism	Double row ball bearing.internal gearing 5 hydraulic brakes E-motors with planetary gears
	Tower Type Hub height	Conical steel, painted 60,70,80m
	Controller Type Cu-in system Phase compensation Remote control	Computer controlling Soft by  frequency converter Variable regulation By modem
	Sensors Rpm sensors Temperature sensors Thermal sensors/ warning Vibration sensor Meteorology Hydraulic systems	Rotor, generator, yaw system Gear, generator. controller, ambient Main switch, engine Protection Nacelle, rotor Anemometer,wind vanes Pressure sensitive switches, Pressure
	Pitch System Type Yaw system	Electrical 3 independent motors with integral encorders and brakes.