Detailed Product Description wind turbine 1.CE proved+7patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind turbine Hummer 50kw wind turbine can drive air-condition ,TV ,refrigeratory ,pump and other electrical appliances . A. Swift start-up at low wind speed B. Low energy consumption with high output efficiency generator C.Reliable protection with Hummer wind-solar controlling system or Hummer grid-tied inverter . D East to install with long life design Technical parameters of 50KW Wind turbine : Rated power(W) 50000 Maximum output power(W) 75000 Charging voltage (V) DC 400 Blade quantity 3 Rotor blade material GRP Rotor blade diameter(m) 12.0 Start-up wind speed (m/s) 2.0 Rated wind speed (m/s) 11.0 Rated rotating rate (r/min) 140 Wind energy utilizing ratio (Cp) 0.42 Generator output Single-phase frequency conversion AC Rated charging current (A) 125 The maximum charging current (in a short time )(A) 190 Output AC frequency (Hz) 0-400 Generator efficiency >0.92 Free standing tower diameter(mm) 1350and 530 Tower height(m) 18 The weight of generator(lb) 2646 (1200kg) Suggested Battery 800/1500Ah