EoltecFrom SustainableX.comEoltec is an experienced engineers owned, Wind Energy Systems designer and manufacturer Company, focused on the development and production of modern medium size wind turbines (6 to 300kW).
[edit] OverviewOver speed control : Furling technique is a good example of this "marketing approach" trend. In spite of the fact that furling technique has never been used for industrial applications, because of intrinsic low performances, reliability issues and others weaknesses, it is often presented as a "must" for private applications, because it is not at all used on industrial market ! In the opposite way, Eoltec uses the technique now implemented on 100% of the large wind turbines, about 10,000 units produced per year, pitch control. To avoid the complexity of large turbine's pitching system, our turbines use a fully passive mechanical system, centrifugal pitch control : Centrifugal pitch control allows for accurate overspeed control, with low rpm maintained on whole wind speed range (up to 60m/s), independently of turbine load, and constant output power up to 60m/s wind speed. Unlike the majority of our competitors, tip speed is thus limited to about 75m/s, the same figure than for large wind turbines.
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