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Design, Construction and Testing of a Hydraulic Power Take-Off for Wave Energy Converters

Author

Listed:
  • Joseba Lasa

    (Energy Unit, Tecnalia, Mikeletegi pasealekua 2-Miramon E-20009 Donostia-San Sebastián (Gipuzkoa), Spain)

  • Juan Carlos Antolin

    (Energy Unit, Tecnalia, Mikeletegi pasealekua 2-Miramon E-20009 Donostia-San Sebastián (Gipuzkoa), Spain)

  • Carlos Angulo

    (Mechanical Engineering Department, University of the Basque Country, Alameda Urquijo s/n 48013 Bilbao (Bizkaia), Spain)

  • Patxi Estensoro

    (Energy Unit, Tecnalia, Mikeletegi pasealekua 2-Miramon E-20009 Donostia-San Sebastián (Gipuzkoa), Spain)

  • Maider Santos

    (Energy Unit, Tecnalia, Mikeletegi pasealekua 2-Miramon E-20009 Donostia-San Sebastián (Gipuzkoa), Spain)

  • Pierpaolo Ricci

    (Energy Unit, Tecnalia, Mikeletegi pasealekua 2-Miramon E-20009 Donostia-San Sebastián (Gipuzkoa), Spain)

Abstract

This paper presents the construction, mathematical modeling and testing of a scaled universal hydraulic Power Take-Off (PTO) device for Wave Energy Converters (WECs). A specific prototype and test bench were designed and built to carry out the tests. The results obtained from these tests were used to adjust an in-house mathematical model. The PTO was initially designed to be coupled to a scaled wave energy capture device with a low speed and high torque oscillating motion and high power fluctuations. Any Energy Capture Device (ECD) that fulfils these requirements can be coupled to this PTO, provided that its scale is adequately defined depending on the rated power of the full scale prototype. The initial calibration included estimation of the pressure drops in the different components, the pressurization time of the oil inside the hydraulic cylinders and the volumetric efficiency of the complete circuit. Since the overall efficiency measured during the tests ranged from 0.69 to 0.8 and the dynamic performance of the PTO was satisfactory, the results are really promising and it is believed that this solution might prove effective in real devices.

Suggested Citation

  • Joseba Lasa & Juan Carlos Antolin & Carlos Angulo & Patxi Estensoro & Maider Santos & Pierpaolo Ricci, 2012. "Design, Construction and Testing of a Hydraulic Power Take-Off for Wave Energy Converters," Energies, MDPI, vol. 5(6), pages 1-23, June.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:6:p:2030-2052:d:18450
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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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    Cited by:

    1. Rico H. Hansen & Morten M. Kramer & Enrique Vidal, 2013. "Discrete Displacement Hydraulic Power Take-Off System for the Wavestar Wave Energy Converter," Energies, MDPI, vol. 6(8), pages 1-44, August.
    2. Kushal A. Prasad & Aneesh A. Chand & Nallapaneni Manoj Kumar & Sumesh Narayan & Kabir A. Mamun, 2022. "A Critical Review of Power Take-Off Wave Energy Technology Leading to the Conceptual Design of a Novel Wave-Plus-Photon Energy Harvester for Island/Coastal Communities’ Energy Needs," Sustainability, MDPI, vol. 14(4), pages 1-55, February.
    3. Gaspar, José F. & Pinheiro, Rafael F. & Mendes, Mário J.G. C. & Kamarlouei, Mojtaba & Guedes Soares, C., 2024. "Review on hardware-in-the-loop simulation of wave energy converters and power take-offs," Renewable and Sustainable Energy Reviews, Elsevier, vol. 191(C).
    4. Li, Xiaofan & Chen, ChienAn & Li, Qiaofeng & Xu, Lin & Liang, Changwei & Ngo, Khai & Parker, Robert G. & Zuo, Lei, 2020. "A compact mechanical power take-off for wave energy converters: Design, analysis, and test verification," Applied Energy, Elsevier, vol. 278(C).
    5. Tengen Murakami & Yasutaka Imai & Shuichi Nagata & Manabu Takao & Toshiaki Setoguchi, 2016. "Experimental Research on Primary and Secondary Conversion Efficiencies in an Oscillating Water Column-Type Wave Energy Converter," Sustainability, MDPI, vol. 8(8), pages 1-11, August.
    6. Gaspar, José F. & Calvário, Miguel & Kamarlouei, Mojtaba & Soares, C. Guedes, 2018. "Design tradeoffs of an oil-hydraulic power take-off for wave energy converters," Renewable Energy, Elsevier, vol. 129(PA), pages 245-259.
    7. Chen, Zhongfei & Zhou, Binzhen & Zhang, Liang & Li, Can & Zang, Jun & Zheng, Xiongbo & Xu, Jianan & Zhang, Wanchao, 2018. "Experimental and numerical study on a novel dual-resonance wave energy converter with a built-in power take-off system," Energy, Elsevier, vol. 165(PA), pages 1008-1020.
    8. Juan Carlos Antolín-Urbaneja & Alain Cortés & Itziar Cabanes & Patxi Estensoro & Joseba Lasa & Marga Marcos, 2015. "Modeling Innovative Power Take-Off Based on Double-Acting Hydraulic Cylinders Array for Wave Energy Conversion," Energies, MDPI, vol. 8(3), pages 1-38, March.
    9. Yubo Niu & Xingyuan Gu & Xuhui Yue & Yang Zheng & Peijie He & Qijuan Chen, 2022. "Research on Thermodynamic Characteristics of Hydraulic Power Take-Off System in Wave Energy Converter," Energies, MDPI, vol. 15(4), pages 1-15, February.
    10. Gaspar, José F. & Calvário, Miguel & Kamarlouei, Mojtaba & Guedes Soares, C., 2016. "Power take-off concept for wave energy converters based on oil-hydraulic transformer units," Renewable Energy, Elsevier, vol. 86(C), pages 1232-1246.
    11. Mohd Afifi Jusoh & Mohd Zamri Ibrahim & Muhamad Zalani Daud & Aliashim Albani & Zulkifli Mohd Yusop, 2019. "Hydraulic Power Take-Off Concepts for Wave Energy Conversion System: A Review," Energies, MDPI, vol. 12(23), pages 1-23, November.

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