Blade length 

58m     

Design type class   

IEC  IIIA   

Max. chord length   

4.38 m

Pre-bending    

2.0  m 

Pre-cone angle/can be different 

0.5°

Mass without  T-Bolt 

13165kg 

Mass of  T-bolt    

appr.375 kg

Radius center of mass 

17.59  m 

Design  operation life   

20  years 

1st/2nd flapwise frequency

0.59/1.75Hz

1st/2nd edgewise frequency 

0.98/2.66Hz

Operation  temperature range 

-30 ℃~+50℃

Survive  temperature range  

-45 ℃~+55℃

Material   

GFRP

Operation Parameter           

Rated power 

3000kW 

Rotor Diameter 

119.3m 

Number of blades

3 

Power control  

Pitchable  

Speed range 

6.5-13.3 rpm

Rated tip speed

82.8 m/s 

Rated rotor speed  

13.3 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)

52.5 m/s

Optimal tip speed ratio

9.3   

Performance coefficient at TSR-opt 

0.49   

Blade Connection           

Principle 

T-bolt

Bolt hole circle diameter

2300m

Number, Size of tension bolts

64xM36 10.9  

Outer diameter of root

2400mm