Power: 20kW Rotor diameter: 10m Blades quantity: 3 pcs Blades material: FRP (composite material) Rated speed:180r/min Rated output power: 20kW Max output power:25kW Output voltage: DC360V/AC220Vor380V Start wind speed:3m/s Rated wind speed:11m/s Working wind speed: 4-20m/s Security wind speed: 50m/s CAN SUPPLY POWER FOR: Little village Air-condition.. Refrigerator. water pump. electric cooker.TV.washer. Illumine. Fanner. Charge