技術(shù)參數(shù) Technical data | |
葉片長(zhǎng)度 Blade length | 126m |
設(shè)計(jì)風(fēng)場(chǎng)等級(jí) Design type class | IEC S |
最大弦長(zhǎng) Max. chord length | 6.2m |
預(yù)彎 Pre-bending | 8m |
葉片預(yù)錐角 Pre-cone angle/can be different | 0° |
葉片重量 Mass without T-Bolt | 59t |
設(shè)計(jì)使用壽命 Design operation life | 25years |
材料體系 Material | E/H-玻纖增強(qiáng)環(huán)氧樹脂E/H-glass reinforced Epoxy 碳纖維拉擠板Carbon Fiber Pultruded Plate |
運(yùn)行參數(shù) Operation Parameter | |
額定功率 Rated power | 12.x MW |
風(fēng)輪直徑 Rotor Diameter | 252m |
葉片數(shù)量 Number of blades | 3 |
功率控制 Power control | 變速變槳Pitchable & Variable-speed |
額定葉尖速度 Rated tip speed | 89.74m/s |
額定轉(zhuǎn)速 Rated rotor speed | 6.8rpm |
******風(fēng)能利用系數(shù) Performance coefficient at TSR-opt | 0.485 |
根部連接 Blade Connection | |
螺栓類型 Principle | 預(yù)埋螺栓套/Insert |
螺桿中心圓直徑 Bolt hole circle diameter | 4800mm |
螺栓數(shù)量和規(guī)格 Number, Size of tension bolts | 192xM39x4.0 10.9 |
根端外圓直徑 Outer diameter of root | 4920mm |