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Experimental Study on Performance of a Wave Energy Converter Rotor with a Moving Platform

Author

Listed:
  • Yoon-Jin Ha

    (Korea Research Institute of Ships & Ocean Engineering (KRISO), Daejeon 34103, Republic of Korea)

  • Chang-Hyuck Lim

    (Korea Research Institute of Ships & Ocean Engineering (KRISO), Daejeon 34103, Republic of Korea)

  • Seung-Ho Shin

    (Korea Research Institute of Ships & Ocean Engineering (KRISO), Daejeon 34103, Republic of Korea)

  • Ji-Yong Park

    (Korea Research Institute of Ships & Ocean Engineering (KRISO), Daejeon 34103, Republic of Korea)

Abstract

A series of experiments were carried out to investigate the performance of a WEC rotor with platform motion. To achieve platform motion, a forced motion device with a rotor was installed in the Ocean Engineering Basin. In this study, the rotor’s performance was examined at various phase stages between incoming waves at three wave heights, and compared to a rotor without a PTO system. The phase stage where the rotor exhibited the largest pitch motion was identified, and the efficiencies of the rotor with the PTO system were analyzed during this stage. Without the PTO system, the rotor experienced its largest pitch motion when the rotating center was positioned at the zero-up crossing point of the incoming waves at three different wave heights. Furthermore, it was observed that in the optimal phase, the rotor’s efficiency increased with relatively large platform motion. These findings provide fundamental data for rotor design.

Suggested Citation

  • Yoon-Jin Ha & Chang-Hyuck Lim & Seung-Ho Shin & Ji-Yong Park, 2024. "Experimental Study on Performance of a Wave Energy Converter Rotor with a Moving Platform," Energies, MDPI, vol. 17(11), pages 1-22, June.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:11:p:2736-:d:1408402
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