Main Parameter: Rotor diameter: 5.0m Blades quantity: 3pcs Direction: always upwind Blades material: Glass fiber reinforced plastic Rated output power: 3Kw, 3000W Maximum output power: 5400W working voltage: DC24/36/48/96/120/240V,AC220V Annual average energy production: 6570KWH (in rate 5m/s wind speed) working wind speed: 3-25m/s Initial wind speed: 2.5m/s Nominal wind speed: 10.0m/s22.3mph Storm-stand: up to 50m/s Max rotate speed: 240r/min Wind turbine type: Three-phase, PMG Alternator Working temperature: from -40 to +60 C Blade Pitch Control Fixed Pitch Over Speed Protection Auto-furl Speed regulation methods: Yawing and electrical magnet switch Stop Methods Manual Brake + Hydraulic Brake Gearbox: None, Direct Drive Batttery full charge time: about 8 hours Power Curve