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Wednesday, October 12, 2011

Spherical Generator ; clean electricity out of ocean waves, Innovation


A team of Cornell engineers developed a patented technology, the TO:CMA Spherical Generator, that creates copious amounts of clean electricity out of ocean waves at costs below all major existing renewable energy sources. The design was elaborated to defy the global rise in energy demand, which is projected to grow by 49% over the next 30 years and the depletion of current resources that are used for energy.

This device surpasses in potential and efficiency existing renewable energy technology, and is more economical. The innovative geometrical arrangement of the magnets within the technology generates more power and greater efficiency at less cost.

Conventional point absorbers employ linear generators, which can only harness energy from movement in the vertical motion. The limited one-degree of freedom of motion of the magnets in the linear generators drastically reduces the ability to harness energy from the waves since buoys experience motion in all six
degrees of freedom when deployed offshore. Our design can break off this constraint and harness power from movement in all six degrees freedoms through its unique configuration of the novel permanent magnet generator.
Our invention will supplement the electricity produced from wind farms by harvesting the vast energy of the waves in between the wind towers. Since the major costs of building offshore power generating plants will have already been invested in laying the expensive ocean bottom power lines, the buoys will have very low average costs for these offshore wind plants.
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