Detailed Product Description wind turbine generator 1.CE proved+7 patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory   Hummer 1kw wind turbine generator equipped with wind-solar hybrid sine wave controller system . Our controller system are three-in -one design with the functions of charging , inverting and unloading .     Hummer 1kw wind turbine generator is well used in Housing , ships , telecommunications station , TV transfer station , Monitoring station (military , hydrology , observatory )water-pumping etc .   And it can connected within 500w solar panel with the help of hummer solar-wind hybrid controlling system .   The main technical data of our 1kw wind turbine generator is as bellowing : Rated power(W) 1000 Maximum output power(w) 2000 Charging voltage(V) DC 60 Blade quantity 3 Rotor blade material GRP Rotor blade diameter(m) 3.1 Start-up wind speed (m/s) 3.0 Rated wind speed (m/s) 9.0 Rated rotating rate  (r/min) 500 Wind energy utilizing ratio (Cp) 0.45 Generator output Single-phase frequency conversion AC Output AC frequency (Hz) 0~400 Rated charging current (A) 15 The maximum charging current (in a short time )(A) 30 Generator efficiency >0.8 Tower diameter(mm) 89*2000*3.5 (4pcs) Tower height(m) 8 Weight of generator (kg) 15 Battery 12V 150Ah/ 200Ah 5pcs