Blade length 

45.5m     

Design type class   

IEC  IIB   

Max. chord length   

3.23 m

Pre-bending    

2.2  m 

Pre-cone angle/can be different 

0°

Mass without  T-Bolt 

7134kg 

Mass of  T-bolt    

appr.216 kg

Radius center of mass 

13.25  m 

Design  operation life   

20  years 

1st/2nd flapwise frequency

0.72/2.07Hz

1st/2nd edgewise frequency 

1.15/3.47Hz

Operation  temperature range 

-30 ℃~+50℃

Survive  temperature range  

-45 ℃~+55℃

Material   

GFRP

Operation Parameter           

Rated power 

1500kW 

Rotor Diameter 

93.14m 

Number of blades

3 

Power control  

Pitchable  

Speed range 

9.46-16 rpm

Rated tip speed

78.3 m/s 

Rated rotor speed  

16 rpm

Cut in wind speed (10 minutes mean)    

3 m/s 

Cut out wind speed (10 minutes mean) 

25 m/s 

Survive wind speed (3 seconds mean)

59.5 m/s  

Optimal tip speed ratio

9.5   

Performance coefficient at TSR-opt 

0.49   

Blade Connection           

Principle 

T-bolt

Bolt hole circle diameter

1800m

Number, Size of tension bolts

54xM30 10.9  

Outer diameter of root

1890mm