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Future renewable energy sources with excellent potential include ocean currents. We suggest a new ocean-current turbine to capture the kinetic energy of marine currents. Ocean currents often have adequate broad cross sections. The turbines are therefore attached to the seafloor and work like kites in the water flow.
In order to prevent the impact of surface waves in the future, turbines will be positioned about 100 m below the surface. This is crucial during typhoons. It is important to neutralise the generated rotor torque in order to run such turbines in the intermediate layer of a maritime current.
As a result, the top of our turbine has a float, while the bottom has a counterbalance. The turbine keeps its place by virtue of buoyancy and gravity. outline the towing tests that were done to validate the float and counterweight design, and we demonstrate how the outcomes support the turbine’s hydrostatic stability and ability to generate electricity.
Temperature, wind, salinity, bathymetry, and the rotation of the planet all contribute to the formation of strong ocean currents. The fundamental driving force behind currents is the sun, which also produces winds and temperature variations.
There are numerous areas that are suitable for the installation of energy extraction tools like turbines since ocean currents are energy-rich and convey a lot of energy. Ocean current turbines may look identical to other marine current turbines and operate on the same principals as those other turbines.
However, they might not need to take into consideration reversing flow because they might be constructed or optimised for slower flow rates in comparison to currents in tidal canals. The location of the devices—either geographically or within the water column—can make a significant effect.
Tides typically occur in inland or coastal waters, but strong ocean currents are more likely to be found farther offshore. Deployment proceeds in deeper water as a result.
In order to harness the energy of ocean currents, fixed substructures for supporting a turbine become impractical because ocean currents are greatest higher in the water column. Instead, equipment might be tied to platforms on the surface or fastened to floating structures that are tethered to the ocean floor.
The Global Ocean current turbine market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Toshiba launched an ocean current power generation turbine system in demonstration mode. As a strategy to combat global warming, power generation powered by ocean energy from currents, temperature variations, tidal motions, waves, etc. is expected to rise in popularity.
With the aim of creating technology that is unrivalled in the world and assisting in reducing CO2 emissions, NEDO has encouraged research and development initiatives in ocean energy power production technologies.
In this context, Toshiba’s innovative “underwater floating type ocean current turbine system” will show how electricity may be produced in a true ocean setting, and the project is anticipated to continue.
The research is anticipated to establish the commercial viability of ocean energy power generation, lay the groundwork for an industry, and increase energy security.
