|  General | 
                                          
                                          
                                            
                                                
                                                  Rated power  | 
                                                   1500kW | 
                                                 
                                                
                                                  Wind class  | 
                                                  IEC IIa  | 
                                                 
                                                
                                                  Cut-in wind speed  | 
                                                  3.5 m/s  | 
                                                 
                                                
                                                  Rated wind speed  | 
                                                  13 m/s  | 
                                                 
                                                
                                                  Cut-out wind speed  | 
                                                  25 m/s  | 
                                                 
                                                
                                                  Annual average wind speed  | 
                                                  8.5 m/s  | 
                                                 
                                                
                                                  Survival wind speed  | 
                                                  59.5 m/s  | 
                                                 
                                                
                                                  Turbulence intensity  | 
                                                  18 %  | 
                                                 
                                                
                                                  Operating temperature  | 
                                                  -20~40 ¡É (STV) 
                                                    -30~40 ¡É (LTV  | 
                                                 
                                              | 
                                          
                                          
                                            |   Rotor | 
                                          
                                          
                                            
                                                
                                                  Blade number  | 
                                                   3 | 
                                                 
                                                
                                                  Rotor diameter  | 
                                                  77 m  | 
                                                 
                                                
                                                  Swept area  | 
                                                  4,657 §³  | 
                                                 
                                                
                                                  Blade length  | 
                                                  37.5 m  | 
                                                 
                                                
                                                  Rated rotor speed  | 
                                                  17.02 rpm  | 
                                                 
                                                
                                                  Rotating direction  | 
                                                  CW  | 
                                                 
                                                
                                                  Power regulation  | 
                                                  Pitch  | 
                                                 
                                              | 
                                          
                                          
                                            |   Nacelle | 
                                          
                                          
                                            
                                                
                                                  Drive train  | 
                                                  Triangle support with gearbox  | 
                                                 
                                                
                                                  Gear ratio  | 
                                                  109.29  | 
                                                 
                                                
                                                  Generator  | 
                                                  SCIG  | 
                                                 
                                                
                                                  Grid connection  | 
                                                  690V, 60Hz  | 
                                                 
                                              | 
                                          
                                          
                                            |   Tower | 
                                          
                                          
                                            
                                                
                                                  Type  | 
                                                  Tubular steel  | 
                                                 
                                                
                                                  Section number  | 
                                                  3  | 
                                                 
                                                
                                                  Hub height  | 
                                                  70 / 80 m  | 
                                                 
                                              |