Blade length 

75m     

Design type class   

IEC  S   

Max. chord length   

5.4  m  

Pre-bending    

3.0  m 

Pre-cone angle/can be different 

1.0°

Mass without  T-Bolt 

28983kg 

Mass of  T-bolt    

appr.822 kg

Radius center of mass 

22.45 m 

Design  operation life   

20  years 

1st/2nd flapwise frequency

0.55/1.47Hz

1st/2nd edgewise frequency 

0.82/2.94Hz

Operation  temperature range 

-30 ℃~+50℃

Survive  temperature range  

-45 ℃~+55℃

Material   

GFRP

Operation Parameter           

Rated power 

6000kW 

Rotor Diameter 

153.8m 

Number of blades

3 

Power control  

Pitchable  

Speed range 

6.2-10.1 rpm

Rated tip speed

81.5 m/s 

Rated rotor speed  

10.1 rpm

Cut in wind speed (10 minutes mean)    

3.5 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

10.1   

Performance coefficient at TSR-opt 

0.491   

Blade Connection           

Principle 

T-bolt

Bolt hole circle diameter

3200m

Number, Size of tension bolts

74xM48 10.9  

Outer diameter of root

3325mm