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This paper investigates the proposal of a device capable of converting all three types of energy, i.e., wave, wind, and ocean currents, into electrical energy. The device stores the harvested energy in the form of thermal energy, which is then transported to the shore and converted back into electrical energy. To optimize the design in the marine environment, where it has to be subjected to numerous uncertainties, including depth, tidal movements, waves, currents, wind, and additional factors such as corrosion and marine growth, etc., this paper examines the technical characteristics and influences of each factor to develop appropriate design solutions. This includes mitigating harmful impacts while leveraging beneficial effects to ensure the device operates stably and achieves high technical and economic efficiency. The paper proposes a configuration for a wave, wind, and current energy converter (WWCC) along with a comprehensive field development plan deemed most suitable in terms of functionality—simultaneously harnessing all three types of energy. It emphasizes ease of fabrication and installation, operational stability, large-scale industrial application, and a closed-loop system that produces no CO2 emissions.

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Major Challenges in Developing a Marine Renewable Energy Technology and Proposed Using Geometry Structure, Flywheel, and Heat-Electricity Cycle for Ocean Surface Energy Converter and Wave Wind Propeller Ship

  • 会议论文

  • 发表日期：

    2025年

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  • Hoai Phuong Le,
  • Duc Hong Dao,
  • Ngoc Thach Dao,
  • Diem Ngoc Phuc Nguyen

摘要

This paper investigates the proposal of a device capable of converting all three types of energy, i.e., wave, wind, and ocean currents, into electrical energy. The device stores the harvested energy in the form of thermal energy, which is then transported to the shore and converted back into electrical energy. To optimize the design in the marine environment, where it has to be subjected to numerous uncertainties, including depth, tidal movements, waves, currents, wind, and additional factors such as corrosion and marine growth, etc., this paper examines the technical characteristics and influences of each factor to develop appropriate design solutions. This includes mitigating harmful impacts while leveraging beneficial effects to ensure the device operates stably and achieves high technical and economic efficiency. The paper proposes a configuration for a wave, wind, and current energy converter (WWCC) along with a comprehensive field development plan deemed most suitable in terms of functionality—simultaneously harnessing all three types of energy. It emphasizes ease of fabrication and installation, operational stability, large-scale industrial application, and a closed-loop system that produces no CO2 emissions.