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Development of a novel point absorber in heave for wave energy conversion

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  • Truong, Dinh Quang
  • Ahn, Kyoung Kwan

Abstract

This paper presents an advanced design methodology for electric power generation from the vast ocean wave energy. A novel single-buoy heaving device called wave energy converter (WEC) based on hydrostatic transmission (HST), or can be shortened as HSTWEC, is proposed to convert mechanical energy generated by ocean waves into electric energy. Modeling and simulations with both regular and irregular waves were then carried out to investigate working performances of the designed HSTWEC. The results showed that more than 78% of wave energy can be absorbed. In addition, an adaptive controller was designed to improve the performance of the suggested device. Effectiveness of the overall HSTWEC control system was finally proved by simulations.

Suggested Citation

  • Truong, Dinh Quang & Ahn, Kyoung Kwan, 2014. "Development of a novel point absorber in heave for wave energy conversion," Renewable Energy, Elsevier, vol. 65(C), pages 183-191.
    • Handle: RePEc:eee:renene:v:65:y:2014:i:c:p:183-191
    DOI: 10.1016/j.renene.2013.08.028
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    References listed on IDEAS

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    1. Ahn, K.K. & Truong, D.Q. & Tien, Hoang Huu & Yoon, Jong Il, 2012. "An innovative design of wave energy converter," Renewable Energy, Elsevier, vol. 42(C), pages 186-194.
    2. Tedd, James & Peter Kofoed, Jens, 2009. "Measurements of overtopping flow time series on the Wave Dragon, wave energy converter," Renewable Energy, Elsevier, vol. 34(3), pages 711-717.
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    Cited by:

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    2. Wang, Mangkuan & Shang, Jianzhong & Luo, Zirong & Lu, Zhongyue & Yao, Ganzhou, 2023. "Theoretical and numerical studies on improving absorption power of multi-body wave energy convert device with nonlinear bistable structure," Energy, Elsevier, vol. 282(C).
    3. Hao Tian & Zijian Zhou & Yu Sui, 2019. "Modeling and Validation of an Electrohydraulic Power Take-Off System for a Portable Wave Energy Convertor with Compressed Energy Storage," Energies, MDPI, vol. 12(17), pages 1-15, September.
    4. Tri, Nguyen Minh & Truong, Dinh Quang & Thinh, Do Hoang & Binh, Phan Cong & Dung, Dang Tri & Lee, Seyoung & Park, Hyung Gyu & Ahn, Kyoung Kwan, 2016. "A novel control method to maximize the energy-harvesting capability of an adjustable slope angle wave energy converter," Renewable Energy, Elsevier, vol. 97(C), pages 518-531.
    5. Li, Wenlong & Chau, K.T. & Lee, Christopher H.T. & Ching, T.W. & Chen, Mu & Jiang, J.Z., 2017. "A new linear magnetic gear with adjustable gear ratios and its application for direct-drive wave energy extraction," Renewable Energy, Elsevier, vol. 105(C), pages 199-208.
    6. Yu, Tongshun & Chen, Xingyu & Tang, Yuying & Wang, Junrong & Wang, Yuqiao & Huang, Shuting, 2023. "Numerical modelling of wave run-up heights and loads on multi-degree-of-freedom buoy wave energy converters," Applied Energy, Elsevier, vol. 344(C).
    7. Tao Wang & He Wang, 2017. "Research on an Integrated Hydrostatic-Driven Electric Generator with Controllable Load for Renewable Energy Applications," Energies, MDPI, vol. 10(9), pages 1-17, August.
    8. Ozkop, Emre & Altas, Ismail H., 2017. "Control, power and electrical components in wave energy conversion systems: A review of the technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 67(C), pages 106-115.
    9. Bonovas, Markos I. & Anagnostopoulos, Ioannis S., 2020. "Modelling of operation and optimum design of a wave power take-off system with energy storage," Renewable Energy, Elsevier, vol. 147(P1), pages 502-514.
    10. Shi, Hongda & Cao, Feifei & Liu, Zhen & Qu, Na, 2016. "Theoretical study on the power take-off estimation of heaving buoy wave energy converter," Renewable Energy, Elsevier, vol. 86(C), pages 441-448.

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