技術參數(shù) Technical data | |
葉片長度 Blade length | 75m |
設計風場等級 Design type class | IEC S |
最大弦長 Max. chord length | 5.4 m |
預彎 Pre-bending | 3.0 m |
葉片預錐角 Pre-cone angle/can be different | 1.0° |
葉片重量 Mass without T-Bolt | 28983kg |
螺栓重量 Mass of T-bolt | appr.822 kg |
重心位置 Radius center of mass | 22.45 m |
設計使用壽命 Design operation life | 20 years |
前二階固有頻率(拍向) 1st/2nd flapwise frequency | 0.55/1.47Hz |
前二階固有頻率(弦向) 1st/2nd edgewise frequency | 0.82/2.94Hz |
工作溫度 Operation temperature range | -30 ℃~+50℃ |
生存溫度 Survive temperature range | -45 ℃~+55℃ |
材料體系 Material | GFRP |
運行參數(shù) Operation Parameter | |
額定功率 Rated power | 6000kW |
風輪直徑 Rotor Diameter | 153.8m |
葉片數(shù)量 Number of blades | 3 |
功率控制 Power control | Pitchable |
葉片轉速范圍 Speed range | 6.2-10.1 rpm |
額定葉尖速度 Rated tip speed | 81.5 m/s |
額定轉速 Rated rotor speed | 10.1 rpm |
切入風速 Cut in wind speed (10 minutes mean) | 3.5 m/s |
切出風速 Cut out wind speed (10 minutes mean) | 25 m/s |
生存風速 Survive wind speed (3 seconds mean) | 59.5 m/s |
設計******尖速比 Optimal tip speed ratio | 10.1 |
******風能利用系數(shù) Performance coefficient at TSR-opt | 0.491 |
根部連接 Blade Connection | |
螺栓類型 Principle | T-bolt |
螺桿中心圓直徑 Bolt hole circle diameter | 3200m |
螺栓數(shù)量和規(guī)格 Number, Size of tension bolts | 74xM48 10.9 |
根端外圓直徑 Outer diameter of root | 3325mm |