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    Wave Power Energy Technology

    Variousmag
    Tuesday, May 7, 2019 Last Updated 2019-10-24T16:29:30Z
    Wave power is the transport of energy by ocean surface waves, and the capture of that energy to do useful work — for example for electricity generation, water desalination, or the pumping of water (into reservoirs).

    Wave energy can be difficult to harness due to the unpredictability of the ocean and wave direction.

    Wave farms have been created and are in use in Europe, using floating Pelamis Wave Energy converters.

    Most wave power systems include the use of a floating buoyed device and generate energy through a snaking motion, or by mechanical movement from the waves peaks and troughs.

    Though often co-mingled, wave power is distinct from the diurnal flux of tidal power and the steady gyre of ocean currents.

    Wave power generation is not currently a widely employed commercial technology although there have been attempts at using it since at least 1890.

    The world’s first commercial wave farm is based in Portugal, at the Aguçadora Wave Park, which consists of three 750 kilowatt Pelamis devices.

    In the United States, the Pacific Northwest Generating Cooperative is funding the building of a commercial wave-power park at Reedsport, Oregon.

    The project will utilize the PowerBuoy technology Ocean Power Technologies which consists of modular, ocean-going buoys.

    The rising and falling of the waves moves the buoy-like structure creating mechanical energy which is converted into electricity and transmitted to shore over a submerged transmission line.

    A 40 kW buoy has a diameter of 12 feet (4 m) and is 52 feet (16 m) long, with approximately 13 feet of the unit rising above the ocean surface.

    Using the three-point mooring system, they are designed to be installed one to five miles (8 km) offshore in water 100 to 200 feet (60 m) deep.
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