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Cost-Based Design and Selection of Point Absorber Devices for the Mediterranean Sea

Author

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  • Vincenzo Piscopo

    (Department of Science and Technology, Centro Direzionale Isola C4, The University of Naples “Parthenope”, 80143 Naples, Italy)

  • Guido Benassai

    (Department of Engineering, Centro Direzionale Isola C4, The University of Naples “Parthenope”, 80143 Naples, Italy)

  • Renata Della Morte

    (Department of Engineering, Centro Direzionale Isola C4, The University of Naples “Parthenope”, 80143 Naples, Italy)

  • Antonio Scamardella

    (Department of Science and Technology, Centro Direzionale Isola C4, The University of Naples “Parthenope”, 80143 Naples, Italy)

Abstract

Sea wave energy is one of the most promising renewable sources, even if relevant technology is not mature enough for the global energy market and is not yet competitive if compared with solar, wind and tidal current devices. Particularly, among the variety of wave energy converters developed in the last decade, heaving point absorbers represent one of the most feasible and studied technologies, as shown by the small-scale testing and full-scale prototypes, deployed in the last years throughout the world. Nevertheless, the need for further reduction of the energy production costs requires a specialized design of wave energy converters, accounting for the restraints provided by the power take-off unit and the device operational profile. Hence, actual analysis focuses on a new cost-based design procedure for heaving point absorbers. The device is equipped with a floating buoy with an optional fully submerged mass connected, by means of a tensioned line, to the power take-off unit. It consists of a permanent magnet linear generator, lying on the seabed and equipped with a gravity-based foundation. The proposed procedure is applied to several candidate deployment sites located in the Mediterranean Sea; the incidence of the power take-off restraint and the converter operational profile is fully investigated and some recommendations for preliminary design of wave energy converter devices are provided. Current results show that there is wide scope to make the wave energy sector more competitive on the international market, by properly selecting the main design parameters of point absorbers, on the basis of met-ocean conditions at the deployment site.

Suggested Citation

  • Vincenzo Piscopo & Guido Benassai & Renata Della Morte & Antonio Scamardella, 2018. "Cost-Based Design and Selection of Point Absorber Devices for the Mediterranean Sea," Energies, MDPI, vol. 11(4), pages 1-23, April.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:4:p:946-:d:141331
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    References listed on IDEAS

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    Cited by:

    1. Sandra Eriksson, 2019. "Design of Permanent-Magnet Linear Generators with Constant-Torque-Angle Control for Wave Power," Energies, MDPI, vol. 12(7), pages 1-19, April.
    2. Choupin, Ophelie & Henriksen, Michael & Tomlinson, Rodger, 2022. "Interrelationship between variables for wave direction-dependent WEC/site-configuration pairs using the CapEx method," Energy, Elsevier, vol. 248(C).
    3. Mehdi Neshat & Nataliia Y. Sergiienko & Erfan Amini & Meysam Majidi Nezhad & Davide Astiaso Garcia & Bradley Alexander & Markus Wagner, 2020. "A New Bi-Level Optimisation Framework for Optimising a Multi-Mode Wave Energy Converter Design: A Case Study for the Marettimo Island, Mediterranean Sea," Energies, MDPI, vol. 13(20), pages 1-23, October.
    4. Ophelie Choupin & Michael Henriksen & Amir Etemad-Shahidi & Rodger Tomlinson, 2021. "Breaking-Down and Parameterising Wave Energy Converter Costs Using the CapEx and Similitude Methods," Energies, MDPI, vol. 14(4), pages 1-27, February.
    5. Américo S. Ribeiro & Maite deCastro & Liliana Rusu & Mariana Bernardino & João M. Dias & Moncho Gomez-Gesteira, 2020. "Evaluating the Future Efficiency of Wave Energy Converters along the NW Coast of the Iberian Peninsula," Energies, MDPI, vol. 13(14), pages 1-15, July.
    6. Raju Ahamed & Kristoffer McKee & Ian Howard, 2022. "A Review of the Linear Generator Type of Wave Energy Converters’ Power Take-Off Systems," Sustainability, MDPI, vol. 14(16), pages 1-42, August.
    7. Chenglong Guo & Wanan Sheng & Dakshina G. De Silva & George Aggidis, 2023. "A Review of the Levelized Cost of Wave Energy Based on a Techno-Economic Model," Energies, MDPI, vol. 16(5), pages 1-30, February.
    8. Choupin, O. & Têtu, A. & Del Río-Gamero, B. & Ferri, F. & Kofoed, JP., 2022. "Premises for an annual energy production and capacity factor improvement towards a few optimised wave energy converters configurations and resources pairs," Applied Energy, Elsevier, vol. 312(C).
    9. Piscopo, V. & Benassai, G. & Della Morte, R. & Scamardella, A., 2020. "Towards a unified formulation of time and frequency-domain models for point absorbers with single and double-body configuration," Renewable Energy, Elsevier, vol. 147(P1), pages 1525-1539.
    10. Foteinis, Spyros, 2022. "Wave energy converters in low energy seas: Current state and opportunities," Renewable and Sustainable Energy Reviews, Elsevier, vol. 162(C).

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