Veröffentlicht am 29.03.2012
OPT's first PB150 PowerBuoy® was
successfully deployed at sea in April 2011 by a team including
Scotland-based Global Maritime Scotland Ltd, Port Services (Invergordon)
Ltd, and OPT, with the support of the Cromarty Firth Port Authority.
With a peak-rated power output of 150 kilowatts, the PB150 is the
largest and most powerful wave power device designed by OPT to date and
has successfully concluded its six-month trials.
The ocean trials were conducted at a site approximately 33 nautical miles from Invergordon, off Scotland's North East coast, and lasted six months -- three months more than planned.
A broad range of operations and functional tests was performed, examining the response of the PowerBuoy's structure and mooring system to the waves and the power produced by the onboard generator. An on-board system simulated grid-connection conditions. A wave data buoy located near the site provided detailed information regarding incoming waves. Data collected during the trials were transmitted from the PowerBuoy in realtime for analysis by OPT's engineers in both the UK and the US.
Wave conditions encountered during the ocean trials included storm waves, and electrical power generated by the PB150 has included peaks of over 400 kilowatts. Average electrical power of 45 kilowatts was generated at wave heights as low as 2 meters. These levels of power exceeded OPT's expectations of performance for this first PB150 deployment, and verify that the system could produce up to 150 kilowatts on average in higher wave conditions.
The power take-off system's performance also exceeded expectations with respect to its energy conversion efficiency in the irregular ocean wave conditions encountered. Using information received during the trials, OPT's engineers calculated the power levels that should have been achieved by the PB150 and analyzed these against actual power generation. The result of this process confirmed the Company's ability to predict accurately the PowerBuoy's performance in varying wave conditions.
http://www.oceanpowertechnologies.com...
The ocean trials were conducted at a site approximately 33 nautical miles from Invergordon, off Scotland's North East coast, and lasted six months -- three months more than planned.
A broad range of operations and functional tests was performed, examining the response of the PowerBuoy's structure and mooring system to the waves and the power produced by the onboard generator. An on-board system simulated grid-connection conditions. A wave data buoy located near the site provided detailed information regarding incoming waves. Data collected during the trials were transmitted from the PowerBuoy in realtime for analysis by OPT's engineers in both the UK and the US.
Wave conditions encountered during the ocean trials included storm waves, and electrical power generated by the PB150 has included peaks of over 400 kilowatts. Average electrical power of 45 kilowatts was generated at wave heights as low as 2 meters. These levels of power exceeded OPT's expectations of performance for this first PB150 deployment, and verify that the system could produce up to 150 kilowatts on average in higher wave conditions.
The power take-off system's performance also exceeded expectations with respect to its energy conversion efficiency in the irregular ocean wave conditions encountered. Using information received during the trials, OPT's engineers calculated the power levels that should have been achieved by the PB150 and analyzed these against actual power generation. The result of this process confirmed the Company's ability to predict accurately the PowerBuoy's performance in varying wave conditions.
http://www.oceanpowertechnologies.com...
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