MHK Technologies/WaveStar

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Technology Profile
Primary Organization Wave Star Energy
Project(s) where this technology is utilized MHK Projects/Wave Star Energy 1 10 Scale Model Test
Technology Resource
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Technology Type
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Point Absorber
Technology Readiness Level
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TRL 5/6: System Integration and Technology Laboratory Demonstration
Technology Description The Wave Star machine does not form a barrier against the waves - with a view to harnessing all their energy – but instead cuts in at right angles to the direction of the wave. In this way, the waves run through the length of the machine and the energy is utilized in a continuous process, which produces a smooth output. On each side of the oblong Wave Star machine, there are a number of hemisphere-shaped floats, which are half submerged in the water. When a wave rolls in, the floats are pressed up – one after the other – until the wave subsides. Each float is positioned at the end of an arm and pumps energy by the vertical movement of the waves up and down. Every time a float is raised or lowered, a piston presses oil into the machine’s common transmission system. The pressure drives a hydraulic motor, which drives a generator, which produces electricity. As the machine is several wave lengths long, the floats will work continuously to harness the energy and produce a smooth output.

Technology Dimensions
Device Testing
Date Submitted 10/8/2010

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