NM 72 C / 1500  -  Technical data
	Operational data Nominal output Power regulation Nominal wind speed Cut-in Cut-out	1500 KW Active-stall 15 m/s 4 m/s 25 m/s
	Rotor Rotor diameter Swept area Number of blades Rotor speed Rotor orientation	72 m 4072 m3 3 17.3 rpm Upwind
	Brake system Blade pitch adjustment Disc brake	Hydraulic, fail-safe 1 pcs. Hydraulic, fail-safe
	Drive train Gear type Transmission ratio Main shaft Main bearing Cooling	Planetary/spur gears 1: 87 . 554 Forged shaft and flange Spherical roller bearing Oil cooler with pump
	Generator Type Nominal voltage Nominal frequency Nominal output Cooling	Asynchronous, 4-6 poles 690 v 50 Hz 1500/400 Kw Liquid cooling with pump
	Yaw system Type Yaw brake Drive mechanism	Yaw bearing with brake disc 5 Hydraulic brakes 6 electrical planetary gears
	Tower Type Hub height	Conical steel tower, painted 62 and 78 m
	Controller Type Cu-in system Phase compensation Remote control	Computer control system Thyristor coupling switch Regulated, staged By modem
	Lightning protection According to standard Blades Nacelle	IEC 1024 - 1 Receptor in the blade tips Air rod