Blade length 

56.6m     

 Design type class   

IEC  IIIB   

 Max. chord length   

3.4  m  

 Pre-bending    

2.3  m 

 Pre-cone angle/can be different 

0.5°

 Mass without  T-Bolt 

12291kg 

Mass of  T-bolt    

appr.392 kg

Radius center of mass 

16.72  m 

Design  operation life   

20  years 

1st/2nd flapwise frequency

0.55/1.56Hz

1st/2nd edgewise frequency 

0.82/2.36Hz

Operation  temperature range 

-30 ℃~+50℃

Survive  temperature range  

-45 ℃~+55℃

Material   

GFRP

Operation Parameter           

Rated power 

2000kW 

Rotor Diameter 

115.5m 

Number of blades

3 

Power control  

Pitchable  

Speed range 

6-14 rpm

Rated tip speed

84.8 m/s 

Rated rotor speed  

14 rpm

Cut in wind speed (10 minutes mean)    

3 m/s 

Cut out wind speed (10 minutes mean) 

19 m/s 

Survive wind speed (3 seconds mean)

52 m/s  

Optimal tip speed ratio

10.4   

Performance coefficient at TSR-opt 

0.488   

Blade Connection           

Principle 

T-bolt

Bolt hole circle diameter

2300m

Number, Size of tension bolts

64xM36 10.9  

Outer diameter of root

2400mm