Wind turbine generator free energy

Detailed Product Description wind energy turbine 1.CE proved+7patents 2.high efficiency+small size 3.NO MOQ+wholesale price 4.professional factory wind energy turbine Features of Hummer H9.0-20000w: quiet noise,nice structure,low start-up wind speed and high output efficiency. It introduces several patented technologies and special materials. All the off-grid wind turbines are matched with wind-solar hybrid inverter controller, which can connect solar panel simultaneously.And grid-tied system can be connected to the local grid with Hummer grid-tied inverters. Main technical parameter Rated power(W) 20000 Maximum output power(W) 28000 Charging voltage (V) DC 240 Blade quantity 3 Rotor blade material GRP Rotor blade diameter (ft.) 30 (9.0m) Start-up wind speed (mph) 7 (3.0m/s) Rated wind speed (mph) 26 (11.5m/s) Rated rotating rate (