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Publicações
Calvario, M., Guedes Soares, C. e Gaspar, J.F. (2015), “Comparative study of lever mechanisms connected to oil-hydraulic power take-off systems”, Renewable Energies Offshore, Guedes Soares, C. (Ed.), Taylor & Francis Group, London, UK, pp. pp. 665-672
The objective of the present work is to determine how different mechanisms connected to oil-hydraulic power take-off systems affect the captured wave power of a point absorber. A brief review of wave energy converters, oil-hydraulic power take-of systems and connection mechanisms is presented. Different mechanisms, in the present case three classes of levers, are modeled in order to determine the average power harvested from a regular wave. The time-averaged absorbed power is analyzed in conditions of maximum absorption and with technological constrains. According to the results, for these maximum absorption conditions the average absorbed power achieves the same value in all lever classes but when technological constrains are defined, the third class-lever achieves the maximum value being the average absorbed power of the first and second classes 48 % and 16 % of the third one. This significant difference in the results shows how important is mechanism selection on power take-off performance.
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