技術(shù)參數(shù) Technical data |
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葉片長度 Blade length | 98m |
設(shè)計風場等級 Design type class | IEC S |
最大弦長 Max. chord length | 4.8m |
預(yù)彎 Pre-bending | 6.5m |
葉片預(yù)錐角 Pre-cone angle/can be different | 0° |
葉片重量 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 |
設(shè)計使用壽命 Design operation life | 20years |
材料體系 Material | E/H-玻纖增強環(huán)氧樹脂E/H-glass reinforced Epoxy |
運行參數(shù) Operation Parameter |
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額定功率 Rated power | 7.x MW |
風輪直徑 Rotor Diameter | 200m |
葉片數(shù)量 Number of blades | 3 |
功率控制 Power control | 變速變槳Pitchable & Variable-speed |
葉片轉(zhuǎn)速范圍 Speed range | 5-10.5rpm |
額定葉尖速度 Rated tip speed | 98.08m/s |
額定轉(zhuǎn)速 Rated rotor speed | 9.4rpm |
設(shè)計尖速比 Optimal tip speed ratio | 12.1 |
風能利用系數(shù) Performance coefficient at TSR-opt | 0.464 |
根部連接 Blade Connection |
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螺栓類型 Principle | 預(yù)埋螺栓套/Insert |
螺桿中心圓直徑 Bolt hole circle diameter | 2800mm |
螺栓數(shù)量和規(guī)格 Number, Size of tension bolts | 112xM36X4.0 10.9 |
根端外圓直徑 Outer diameter of root | 2910mm |