Basic Parameters Rated Power(kw) 50 Survival Wind Speed(m/s) 45 Working Voltage(v) 380/220 Working Wind Speed(m/s) 1-25 Rated Voltage(v) 420/600 Rated Wind Speed(m/s) 10 Rated Rotation(r/min) 120 Blade Length(m) 8.4 Cut-in Wind Speed(m/s) 1 Blade Material FRP Cit-out Wind Speed(m/s) 25 Generator Life(year) 20 Some Key Technology Control Method Adjust Speed Method centrifuge variable pitch Brake Method electromagnetic Generator Genrator Configuration 3-phase 380/220v 50/60hz Generator Type 3-phase permanent magnet Protect Class IP54