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MINI Free Energy Wind Generator China Characteristics:
Free energy wind turbines China have the main rotor shaft and electrical generator at the top of a tower, and must be pointed into the wind. Free energy wind turbines China are pointed by a simple wind vane, while large generators generally use a wind sensor coupled with a servo motor. Most have a gearbox, which turns the slow rotation of the blades into a quicker rotation that is more suitable to drive an electrical generator.

Since a tower produces turbulence behind it, the free energy wind turbine China is usually positioned upwind of its supporting tower. Wind gererator blades are made stiff to prevent the blades from being pushed into the tower by high winds. Additionally, the blades are placed a considerable distance in front of the tower and are sometimes tilted forward into the wind a small amount.

Downwind machines have been built, despite the problem of turbulence (mast wake), because they don't need an additional mechanism for keeping them in line with the wind, and because in high winds the blades can be allowed to bend which reduces their swept area and thus their wind resistance. Since cyclical (that is repetitive) turbulence may lead to fatigue failures, most HAWTs are of upwind design.

More informations,click www.sunningwind.com

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Wind Turbine Technical Specifications

Rated Capacity 400 watts at 28 mph (12.5 m/s)
Max Capacity 450watts
Rotor Diameter 1.21m
Weight 7.31kg
Shipping Dimensions 770x 410x 200 mm ( 9 kg)
Mount 1.5 in schedule 40 1.9 in (48 mm) OD pipe
Start-Up Wind Speed 2.0 ( m/s)
Cut-In Wind Speed 2.5 (m/s)
Voltage 12 VDC
Body Cast aluminum
Blades 5 PC Nylon Fiber
Overspeed Protection Electronic torque control
Generating efficiency 30kwh/m ( with the average wind speed of 3.5m/s)
Survival Wind Speed 35 m/s
Warranty 3 year limited warranty

MINI Wind Turbine structure diagram
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MINI 5  Wind Turbine Dimension
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