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Tidal effect compensation system for point absorbing wave energy converters

Author

Listed:
  • Castellucci, Valeria
  • Waters, Rafael
  • Eriksson, Markus
  • Leijon, Mats

Abstract

Recent studies show that there is a correlation between water level and energy absorption values for the studied wave energy converters: the absorption decreases when the water levels deviate from average. The situation appears during tides when the water level changes significantly. The main objective of the paper is to present a first attempt to increase the energy absorption during tides by designing and realizing a small-scale model of a point absorber equipped with a device that is able to adjust the length of the rope connected to the generator. The adjustment is achieved by a screw that moves upwards in the presence of low tides and downwards in the presence of high tides. Numerical results as well as experimental tests suggest that the solution adopted to minimize the tidal effect on the power generation shows potential for further development.

Suggested Citation

  • Castellucci, Valeria & Waters, Rafael & Eriksson, Markus & Leijon, Mats, 2013. "Tidal effect compensation system for point absorbing wave energy converters," Renewable Energy, Elsevier, vol. 51(C), pages 247-254.
    • Handle: RePEc:eee:renene:v:51:y:2013:i:c:p:247-254
    DOI: 10.1016/j.renene.2012.09.043
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    References listed on IDEAS

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    1. Henderson, Ross, 2006. "Design, simulation, and testing of a novel hydraulic power take-off system for the Pelamis wave energy converter," Renewable Energy, Elsevier, vol. 31(2), pages 271-283.
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    1. Yue Hong & Mikael Eriksson & Cecilia Boström & Rafael Waters, 2016. "Impact of Generator Stroke Length on Energy Production for a Direct Drive Wave Energy Converter," Energies, MDPI, vol. 9(9), pages 1-12, September.
    2. Guizzi, Giuseppe Leo & Manno, Michele & Manzi, Guido & Salvatori, Marco & Serpella, Domenico, 2014. "Preliminary study on a kinetic energy recovery system for sailing yachts," Renewable Energy, Elsevier, vol. 62(C), pages 216-225.
    3. Ekström, Rickard & Ekergård, Boel & Leijon, Mats, 2015. "Electrical damping of linear generators for wave energy converters—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 42(C), pages 116-128.
    4. Jinming Wu & Yingxue Yao & Wei Li & Liang Zhou & Malin Göteman, 2017. "Optimizing the Performance of Solo Duck Wave Energy Converter in Tide," Energies, MDPI, vol. 10(3), pages 1-19, February.
    5. Valeria Castellucci & Johan Abrahamsson & Tobias Kamf & Rafael Waters, 2015. "Nearshore Tests of the Tidal Compensation System for Point-Absorbing Wave Energy Converters," Energies, MDPI, vol. 8(4), pages 1-20, April.

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