850kW wind turbine

item parameters rotor rotor diameter 56.3 swept area 2490 hub height 70 rotor speed 13-25 power regulation variable speed��pitch cut-in wind speed��m/s�� 3 cut-out wind speed(m/s) 25 rated wind speed(m/s) 11.5 generator type stage 4��synchronous��IP54 rated output power(kW) 850 voltage(v) 690 frequency(Hz) 50 speed 1000-2000 full load power factor 1.0 gearbox 1 stage planet, 2 stage parallel axis tower type taper braking system air brake full feathering mechanical brake hydraulic disc safety degree IEC TC3A survival wind speed(3s,m/s) 52.5		v[m/s] power[kw] power factor 3     4 22.9 0.23 5 67.1 0.35 6 121.9 0.39 7 213.7 0.41 8 326.7 0.42 9 466.1 0.42 10 629.6 0.41 11 831.9 0.41 12 850 0.32 13 850 0.25 14 850 0.2 15 850 0.16 16 850 0.13 17 850 0.11 18 850 0.09 19 850 0.08 20 850 0.07 21 850 0.06 22 850 0.05 23 850 0.04 24 850 0.04 25 850 0.03

power curve of 2MW WEC (rotor diameter: 92.8m) wind speed V[m/s] annual power yield curve of 850KW WEC (rotor diameter: 92.8m) average wind speed Vm[m/s]		v[m/s] annual power yield 5.0 910 5.1 963 5.2 1017 5.3 1072 5.4 1128 5.5 1185 5.6 1242 5.7 1300 5.8 1358 5.9 1417 6.0 1476 6.1 1535 6.2 1595 6.3 1654 6.4 1714 6.5 1773 6.6 1832 6.7 1891 6.8 1949 6.9 2007 7.0 2065 7.1 2122 7.2 2178 7.3 2233 7.4 2288 7.5 2342 7.6 2396 7.7 2448 7.8 2500 7.9 2550