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Transcript of Tidal
Tidal energy is a renewable source of power that harnesses the energy of tides to generate power.
Tidal energy stations come in all shapes and sizes but the basic concept is the same; using the tide to rotate a generator.
Tidal turbines are extremely similar to wind turbines, except a little smaller and stronger. Although these are extremely expensive and hard to maintain they still offer less environmental damage as well as being cheaper than other tidal sources
What is the best location for Tidal
How Does Tidal Energy Work?
Tidal barrages where the original concept for tidal energy. They depend on a large tidal range (the difference between low and high tide) to operate. The barrages basically revolves around a hole with a generator and a gate. The gate closes at low tide, the ocean tide will eventually become much higher than the basin side( see the picture above) due to the rising tide . The gate then opens causing water to flow from the ocean to the basin, this is where the generator comes in. Sometimes they can be damaging to marine life as well as being considered as an "eye-sore" to some people.
Tidal Barrages Requires a tidal range (the difference between low and high tide) of at least 5 meters for it to work successfully. These requirements means that tidal barrages are only feasible in certain places around the world.
Tidal turbines require a flat ocean floor to operate because if the floor is to rough; keeping the turbines stable would be almost impossible. Another factor is the depth of the ocean. If its too deep then it will be hard to maintain the turbines as well as fixing it to the bed in
the first place.
Strangford Lough holds one of the seven operational tidal stations in the world. It can power up to a thousand homes while still having a reasonably small environmental impact, mostly due to its slow rotating blades.
Is this the way forward
Its a renewable source
Its has very little environmental impact
Its environmentally friendly.
Amount of energy produced can be predicted very accurately.
Expensive to construct
Expensive to maintain
Few ideal locations
Transmission of power will be hard and expensive due to stations usually being far away from cities.7
Needs more technological breakthroughs to be commercially viable.
Tidal energy shows great potential. Being able to create green and clean energy that doesn't harm or pollute the world, but this comes at a price tag. Tidal is one of the most expensive ways of creating energy out there and with only 7 power stations in the
it isn't the most common either. What it will take is investments or technological breakthroughs to make this dream become a reality. This is the future, but only time will time how long it will take.
Thank you for watching
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