WIND TURBINE - Model VT10-240 PATENT NUMBER: US 7,186,083 RATED POWER TO GRID: 10kW at 29mph-13m/s RATED ENERGY: 2,000kWh/month at 14.3mph-6.4m/s average wind speed at hub height (Class III wind regime, 12.5mph- 5.5m/s at 30ft-10m,on 80ft-25m tower) CUT-IN WIND SPEED: 6mph-2.7m/s propeller running SURVIVAL WIND SPEED: 130mph-55m/s CONFIGURATION: Downwind, free yawing, 3 blade, direct drive MOVING PARTS: 5 - Rotor, yaw and blade governor mechanism MAINFRAME: Cast 356-T6 recycled aluminum corrosion-proof WEIGHT: 500pounds-230kilograms RUNNING LIGHT: LED indicates generating, optional SLIP RING ASSEMBLY: 4 ring, including grounding, double brush, dual connections ROTOR 3 BLADE: Downwind 7:1 constant tip speed ratio DIAMETER: 22ft-6.7m SWEPT AREA: 380ft2-35m2 RPM: 280 peak, 260-280 governor active range AIRFOIL: FX63-137 modified for noise reduction TWIST AND TAPER: Optimum, non-linear BLADE MATERIAL: Glass fiber engineered plastic BLADE CONSTRUCTION: Injection molded GENERATOR RATING: 15kva at 240vac at 260rpm, 3 phase TYPE: Rare earth permanent magnet alternator ANTI-COGGING: Proprietary low wind start-up configuration POLES: 32 CONSTRUCTION: Inside rotating magnets, brushless outside stator with cast cooling fins |