SheerWind funner wind turbine is able to generate 600% more energy than conventional turbines.
According to Daryoush Allaei, Sheer Wind’s chief technical officer, a utility-scale installation of these wind turbines — that is a 100 to 500 MW power plant — could cost as low as 1 cent per KWh. For comparison, conventional tower and blade wind power plants cost about 45 to 80 cents per KWh and natural gas plants cost about 2 to 3 cents per KWh.
SheerWind’s Invelox wind energy system captures the breeze from an above ground portal and funnels the wind through a tapering passageway that “naturally” accelerates its flow. Inside, passageways turn the wind horizontally and taper it into a narrow space, which naturally accelerates the flow. The higher speed wind is then channeled into a turbine positioned at ground level. According to the company, the system works even if wind speeds are slow at the top. For example, a wind entering at 10 mph is increased to 40 mph by the time it enters the turbine. After passing through the turbine, the wind is exhausted back into the environment at 15mph.
The unit is about 50 percent shorter than traditional wind towers and the turbine blades on the generator are 84 percent smaller — as a result, equipment and maintenance costs are lower.
The company also claims that this design is safer for the birds because there are no moving parts outside of the structure.
INVELOX promises superior power output and reduced generation costs, offering savings of 16% to 38% per megawatt-hour (MWh) produced. An INVELOX installation will cost nearly 7% to 11% less to construct than a traditional wind power setup, and 40% to 45% less for operation and maintenance.
Sheerwind’s simulations, computer models, and first field testing results indicate that INVELOX technology can produce three times more power than a traditional wind turbine. INVELOX brings down wind power generation costs to 2.8 to 4.1¢. per kilowatt hour (kWh).
Currently Sheer Wind is custom building systems for a few clients and is working toward mass production.
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