Operating data
Rated power (kW)	3250
Cut-in wind speed (m/s)	3
Cut-out wind speed (m/s)	20
Rated wind speed (m/s)	9.5
Type of wind zone	IECS
Operating temperature (℃)	-30 ~ +40
Survival temperature (℃)	-40 to +50
Design life (years)	20
Impeller
Impeller diameter (m)	160
Swept area (m²)	20106
Number of blades	3
Blade material	FRP
Pitch system
Type	Electric pitch
Pitch bearing	Double row four-point angular contact ball bearings
Gearbox
Gearbox type	Two-stage planet, one-stage parallel axis
Gearbox lubrication method	Forced + splash lubrication
Gearbox oil filtration	Online filtration (optional offline fine filtration)
Generator
Type	Doubly-fed asynchronous generator
Rated voltage (V)	1140
Braking system
Pneumatic braking system	Pitch system
Mechanical braking system	hydraulic mechanical brake
Yaw system
Type	Active Yaw
Yaw drive	Electric yaw
Yaw bearing	Yaw bearing + hydraulic brake
Frequency converter
Rated voltage (V)	1140
Network side frequency (Hz)	50
Transmission chain
Main bearing	spherical roller bearing
Control System
Control unit	PLC
Process control system	Distributed control
Bus Control Type	Powerlink

Unit SL3.X/160