A novel flexible wave energy converter for concealed power supply to submersible marine buoys: Experimental study and mode analysis

Xinhui Chen, Songwei Sheng, Shanxun Yang, Wensheng Wang, Kunlin Wang, Zhenpeng Wang and Pengyuan Sun

Energy, 2025, vol. 336, issue C

Abstract: Using ocean wave energy to power a marine buoy system can reduce power supply costs. Consequently, a submerged flexible bag wave energy converter (WEC) has been designed to provide underwater power supply. An experimental investigation was conducted to analyze the influence of variable wave conditions, deployment depths, and electrical load resistances on the energy conversion efficiency of the WEC. Experiment results show that the PTO circuit has an optimal load resistance value of 5 Ω; for larger wave heights (120 mm and 140 mm), the power output is higher at a deployment depth of H = −0.15 m, with a peak output of 4.94 mW observed under an incident wave height of 140 mm and a period of 3.6 s.

Keywords: Wave energy converter; Submerged marine buoys; Flexible bag; Experimental study; Mode analysis (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:336:y:2025:i:c:s036054422504191x

DOI: 10.1016/j.energy.2025.138549

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