Wave Energy, Lever Operated Pivoting Float LOPF Study: ForskEl Project no.: 10639

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Abstrakt

The fully instrumented Resen Waves Lever Operated Pivoting Float LOPF wave energy buoy model has gone through the first stage of testing in regular waves in scale 1:25 of the North Sea wave conditions, in the 3D deep wave basin at the Hydraulic and Coastal Engineering Laboratory of Aalborg University in Denmark. The model size was 60cm W x 90cm L x 21cm H. The 60 cm width pointed towards the wave front. The LOPF buoy is characterized by a simple mechanical design with few moving parts and direct electrical output and it is taut moored to the sea bed, so all forces are referenced to the seabed for maximum energy output in regular as well as irregular waves. During storms the buoy pivots and streamlines itself to minimize loads on the mooring line. A conservative estimate shows that a full scale system for North Sea conditions has a float size width of 15 m that will, with 60% generator efficiency, produce 723 MWh/y (723.000 kWh/y) with an average power output of 82,5 kW, which requires a generator capacity of 250 to 300 kW. It is expected the generator efficiency can be increased to 90% in the future. In addition there are several areas for future improvements for increased power production.
OriginalsprogEngelsk
UdgivelsesstedAalborg
ForlagDepartment of Civil Engineering, Aalborg University
Antal sider33
StatusUdgivet - dec. 2011
NavnDCE Technical reports
Nummer124

Emneord

  • Calibration
  • Wave Tank
  • Test Setup
  • Buoy Pivots
  • Power Production
  • Conversion of Power

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