Tidal Renewable energy power source pptx

Renewable Energy

1. Ocean Energy Engr. Segie M. Castro

2. What is Ocean Energy? Ocean energy refers to the power harnessed from the ocean's waves, tides, currents, and thermal gradients. Ocean energy refers to the energy derived from the movement of water in the ocean. It is a renewable energy source that harnesses the natural forces of the sea, such as waves, tides, temperature differences, and ocean currents, to generate electricity. Ocean energy is considered an emerging and sustainable solution to reduce our reliance on fossil fuels and combat climate change.

3. Benefits of Ocean Energy Environment Climate Change Mitigation : Ocean energy is a clean, renewable resource. Unlike fossil fuels, it doesn’t produce carbon dioxide (CO₂) or other harmful greenhouse gases when generating electricity. Sustainable and Low-impact : Unlike offshore oil drilling or other extractive activities, ocean energy systems (like tidal and wave energy) have the potential to be far less invasive to marine ecosystems. Supporting the Health of Oceans : By reducing the burning of fossil fuels, ocean energy can help decrease the rate of ocean acidification. Fossil fuels release CO₂ into the atmosphere Predictable and Renewable : Unlike other renewable sources such as solar or wind, tidal and wave energy are highly predictable .

4. Benefits of Ocean Energy Human Benefits Sustainable Energy : Ocean energy is a renewable resource , meaning it will never run out, unlike fossil fuels. Energy Security : By tapping into ocean energy, countries can reduce dependence on imported fuels, leading to greater energy independence and security. New Industries : The development of ocean energy technologies requires a skilled workforce for research, design, manufacturing, installation, and maintenance. This opens opportunities for new jobs and stimulates economic growth , especially in coastal regions. Innovation and Technology : Investment in ocean energy encourages innovation, driving new technological advancements in engineering, materials science, and energy storage, further boosting economies and creating competitive industries.

5. Benefits of Ocean Energy Human Benefits Electrification of Remote Areas : Many coastal or island communities that lack access to reliable energy infrastructure could benefit from ocean energy.. Reduced Energy Costs : Over time, ocean energy could help lower the cost of electricity in coastal regions, as it taps into a natural and local resource, reducing the need for costly fossil fuel imports or large-scale grid infrastructure. Constant and Predictable Energy : While solar and wind energy are intermittent (they depend on the sun and wind), ocean energy, particularly tidal energy , is highly predictable due to the regular nature of the tides. Climate Resilience : Ocean energy can contribute to more resilient infrastructure in coastal communities by providing an alternative power source during extreme weather events like hurricanes, floods, or power outages.

6. Benefits of Ocean Energy Social and Health Benefits Improved Public Health : By reducing the burning of fossil fuels for energy, ocean energy can help improve air quality in urban and industrial areas. Access to Affordable Energy : Ocean energy, when deployed on a large scale, can help address energy inequality by providing affordable and clean energy to underserved communities, particularly those in island nations or remote coastal areas.

7. Types and Working principle of Ocean Energy Tidal Energy Generated from the rise and fall of tides. Can be captured using turbines or barrages. Tidal turbines Tidal Barrages

8. Wiring Diagrams/Flow Charts for Ocean Energy Systems Tidal Stream System Wiring: Turbine → Generator → Inverter → Power Grid MPPC stands for Maximum Power Point Control which is contained in buck DC/DC converters for energy harvesters.

9. Types and Working principle of Ocean Energy Wave Energy Harnesses energy from surface ocean waves. Can be captured using buoys, oscillating water columns, or other devices. Buoys wave energy oscillating water columns wave energy

10. Wiring Diagrams/Flow Charts for Ocean Energy Systems Wave Energy System Wiring: A wave energy system wiring  typically involves a complex arrangement where the mechanical energy captured from ocean waves by a wave energy converter (WEC) is transformed into electrical energy through a generator, then transmitted via underwater cables to shore, often including power conditioning systems to stabilize the fluctuating power output before feeding into the electrical grid

11. Types and Working principle of Ocean Energy Ocean Thermal Energy Uses temperature differences between warm surface water and cold deep water. Requires a heat engine to generate electricity.

12. Wiring Diagrams/Flow Charts for Ocean Energy Systems Ocean Thermal System Wiring A wave energy system wiring  typically involves a complex arrangement where the mechanical energy captured from ocean waves by a wave energy converter (WEC) is transformed into electrical energy through a generator, then transmitted via underwater cables to shore, often including power conditioning systems to stabilize the fluctuating power output before feeding into the electrical grid Offshore OTEC Plant

13. Types and Working principle of Ocean Energy Ocean Current Energy Uses kinetic energy from ocean currents (similar to wind turbines). Can generate continuous energy.

14. Wiring Diagrams/Flow Charts for Ocean Energy Systems Ocean Current System Wiring: Turbine → Generator → Inverter → Power Grid MPPC stands for Maximum Power Point Control which is contained in buck DC/DC converters for energy harvesters.

15. Challenges and Future of Ocean Energy Challenges High initial cost for infrastructure. Potential environmental impact. Technological limitations (e.g., durability in harsh ocean environments). Future technological advancements Increased investment in ocean energy projects Expansion of grid-connected systems.

16. Conclusion Conclusion Tidal energy offers significant potential as a clean, renewable, and reliable energy source. Its predictability, ability to generate high energy output, and minimal environmental impact make it an appealing option for countries seeking to reduce their carbon emissions and transition to sustainable energy systems. However, challenges related to high initial costs, limited geographic availability, and potential impacts on marine ecosystems must be carefully addressed. With ongoing advancements in technology, reduced costs, and better environmental management, tidal energy could become a cornerstone of the global renewable energy portfolio. By focusing on innovation, careful environmental stewardship, and strategic planning, tidal energy could play an essential role in achieving sustainable energy security and contributing to the global fight against climate change. In the long term, tidal energy could be integrated with other renewable resources, creating a more resilient and diversified energy future for both humanity and the environment. Advantages of Tidal Energy Predictability and Reliability Minimal Environmental Impact Potential for High Energy Density Energy Security and Independence Potential Economic Benefits Challenges and Limitations of Tidal Energy High Initial Capital Costs Limited Geographic Availability Potential Environmental Impacts Technological and Operational Challenges Interference with Shipping and Recreation Future Potential and Developments Technological Innovation Integration with Other Renewable Sources Expanding Global Usage Interference with Shipping and Recreation