... noise9,Security high efficiency stablity10,Aerodynamic brake & manul brake11,Strong wind resistance12,Yaw motor system13,The span life of our product ... ,000WMax power6,000WOutput voltageDC216V/AC220Rated wind speed9m/sRotor diameter6.0m Blade materialFRPStart-up wind speed3m/s Work wind speed3-25m/sRotation speed220r/minNumber ...