Wind Turbines EF FD 5.2-3.0

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Rated power: 3000W Rotor diameter: 4m Rated speed: 300rpm Start-up wind speed: 3m/second Working wind speed: 4 to 25m/second Survived wind speed: 40m/second Annual generation min/max: 4500 to 9000kWh Max power: 470w Shell material: alloy alumium / precision steel Generator rated voltage: AC 240v Inverter rated AC output: AC 220v Generator style: 3 phases AC PM Free standing tower height: 9m Matched inverter type: sine wave Suggested battery capacity: 12V, 100Ah, 20 pieces Heavy wind protection: dump load + electromagnetic brake Environment temperature range: -30 to 65°C Blade Rated wind speed: 9m/s Rated turning speed of rotor: 300r/min Blade size: 2.56m x 0.33 x 0.28m Monolithic blade weight: 10Kg Blade material quality: fiberglass-reinforced plastic x 3pcs Controller gross weight: 14.5kg Controller out packing size: 0.51 x 0.49 x 0.24m Inverter weight: 54kg Inverter gross weight: 57kg Inverter out packing size: 0.72 x 0.46 x 0.85m Advantages: Rare-earth permanent-magnet generator, being high-efficient, with excellent output performance and long service lifespan up to 20 years, maintenance-free Special-designed bearing with tiny friction between rotor and bear housing, allowing low wind speed of only 3m/s, this makes 80% of areas be able to utilize wind energy Blades are made of high-rigidity FRP material, light and enduring lifetime and treated with baking varnish Blades are dynamic balanced combined with shock absorption technology to reduce the vibration to minimum Noise level below 55dB around the wind turbine tower, no intervention of neighboring residents State-of-the-art workmanship plus beautiful appearance, being attractive at a glimpse

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