技术参数 Technical data |
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叶片长度 Blade length | 98m |
设计风场等级 Design type class | IEC S |
最大弦长 Max. chord length | 4.8m |
预弯 Pre-bending | 6.5m |
叶片预锥角 Pre-cone angle/can be different | 0° |
叶片重量 Mass without T-Bolt | 24.9t |
螺栓重量 Mass of T-bolt | 530kg |
重心位置 Radius center of mass | 27.59m |
设计使用寿命 Design operation life | 20years |
材料体系 Material | E/H-玻纤增强环氧树脂E/H-glass reinforced Epoxy |
运行参数 Operation Parameter |
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额定功率 Rated power | 7.x MW |
风轮直径 Rotor Diameter | 200m |
叶片数量 Number of blades | 3 |
功率控制 Power control | 变速变桨Pitchable & Variable-speed |
叶片转速范围 Speed range | 5-10.5rpm |
额定叶尖速度 Rated tip speed | 98.08m/s |
额定转速 Rated rotor speed | 9.4rpm |
设计尖速比 Optimal tip speed ratio | 12.1 |
风能利用系数 Performance coefficient at TSR-opt | 0.464 |
根部连接 Blade Connection |
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螺栓类型 Principle | 预埋螺栓套/Insert |
螺杆中心圆直径 Bolt hole circle diameter | 2800mm |
螺栓数量和规格 Number, Size of tension bolts | 112xM36X4.0 10.9 |
根端外圆直径 Outer diameter of root | 2910mm |