技术参数 Technical data |
|
叶片长度 Blade length |
56.6m |
设计风场等级 Design type class |
IEC IIIB |
最大弦长 Max. chord length |
3.4 m |
预弯 Pre-bending |
2.3 m |
叶片预锥角 Pre-cone angle/can be different |
0.5° |
叶片重量 Mass without T-Bolt |
12291kg |
螺栓重量 Mass of T-bolt |
appr.392 kg |
重心位置 Radius center of mass |
16.72 m |
设计使用寿命 Design operation life |
20 years |
前二阶固有频率(拍向) 1st/2nd flapwise frequency |
0.55/1.56Hz |
前二阶固有频率(弦向) 1st/2nd edgewise frequency |
0.82/2.36Hz |
工作温度 Operation temperature range |
-30 ℃~+50℃ |
生存温度 Survive temperature range |
-45 ℃~+55℃ |
材料体系 Material |
GFRP |
运行参数 Operation Parameter |
|
额定功率 Rated power |
2000kW |
风轮直径 Rotor Diameter |
115.5m |
叶片数量 Number of blades |
3 |
功率控制 Power control |
Pitchable |
叶片转速范围 Speed range |
6-14 rpm |
额定叶尖速度 Rated tip speed |
84.8 m/s |
额定转速 Rated rotor speed |
14 rpm |
切入风速 Cut in wind speed (10 minutes mean) |
3 m/s |
切出风速 Cut out wind speed (10 minutes mean) |
19 m/s |
生存风速 Survive wind speed (3 seconds mean) |
52 m/s |
设计最佳尖速比 Optimal tip speed ratio |
10.4 |
最佳风能利用系数 Performance coefficient at TSR-opt |
0.488 |
根部连接 Blade Connection |
|
螺栓类型 Principle |
T-bolt |
螺杆中心圆直径 Bolt hole circle diameter |
2300m |
螺栓数量和规格 Number, Size of tension bolts |
64xM36 10.9 |
根端外圆直径 Outer diameter of root |
2400mm |