Free Flow Turbine

Free Flow Turbine Kinetic hydropower is dam-less hydropower that is converted from energy found in the flowing water currents of oceans, tides, rivers and manmade channels or conduits. Free Flow systems are turnkey renewable energy solutions that employ underwater turbines to generate electricity from the natural water currents of tides and rivers. The systems do not require dams, impoundments or major civil works. They operate automatically, fully underwater and invisible from shore. Simple and modular in design, Free Flow systems can be scaled for use in a wide range of sites worldwide. Resembling and operating similarly to present-day wind turbines, Free Flow turbine has a horizontal-axis rotor with three blades designed for high efficiency over a large range of speeds. The turbine rotor is spun slowly and steadily (~32 rpm) by the natural currents of tides and rivers. This motion drives a speed increaser, which in turn drives a grid-connected generator, both of which are encased in a waterproof streamlined nacelle mounted on a streamlined pylon. Free Flow turbines deployed in tidal settings are assembled with internal yaw bearings, which allow the turbines to pivot with the changing tide and capture energy for the majority of the day. Turbines deployed in rivers are fixed and generate power on the continuous flow of the river throughout the day, providing nearly ‘24-hour power’. Depending on the site, various types of devices can be used to anchor the turbines underwater.

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