This process has a number of advantages and disadvantages associated with it. Because of these features it is unique and suitable to use it as a. Tidal power uses the kinetic energy of the tides to generate power. Unlike the wind, solar, thermal energy etc., tidal energy is something that has a long term perspective and it can be forecasted more accurately. Biological fouling will occur on the turbine structure.įeatured Image source: By 핑크로즈 –, CC BY 2. Tidal energy can be considered as one of the best existing source of renewable energies.Sea water will cause rapid corrosion of turbine parts. Tidal energy harnesses the power of the tides, making it a reliable and consistent source of energy.Constant noise making turbines can force some marine life to leave that area.Rotating Turbine blades can kill marine life.Electromagnetic field generated by the turbines destroys ability of navigation and to detect odor of some sea species.Energy density of tides is high compared to solar or wind energy.Its availability is more predictable and stable compared to solar energy and wind energy.The high density of water compared to air is responsible for this. Tidal energy can even be generated at very low speeds of water compared to that of air, in case of wind turbine.It can produce power from the kinetic energy of tide when it is filling the lagoon and it can also produce power from the potential energy of water when lagoon is emptying. Tidal lagoons are almost same like barrages but the difference is that it can provide continuous power supply. Hence converting potential energy of water into electrical energy. This water is released into turbines when tides are low. In this method tidal water is stored in large barrages when tides are high. Turbines converts kinetic energy of tidal stream into electrical energy. In this method turbines are placed directly in the tidal streams. Tidal Power Station at Sihwa Lake Methods of harnessing tidal energyĬurrently there are three ways of harnessing tidal power. Mechanical energy of the rotating water wheel is used to mill grains. Incoming tide water was stored in large water ponds which is later used to rotate water wheel. Historically tidal power was used to mill grains. Tidal energy is considered as a form of renewable energy. 2 The project is owned and run by Tidal Power Scotland Limited and Scottish Enterprise. 1 The first phase of the project uses four 1.5 MW turbines with 16 m (52 ft) rotor diameter turbines submerged on the seabed. When this bulge strikes the sea shore it has very high potential energy which can be converted into mechanical energy (and electricity). MeyGen (full name MeyGen tidal energy project) will be the worlds largest tidal energy plant, which is currently in construction. This bulge moves according to moon’s gravitational effect. This force attracts sea water, which creates a bulge on sea surface. Tides are generated in the ocean due to gravitational force exerted on earth by the moon. This hydro power can be converted into mechanical energy which can further be converted into electrical energy. Tidal energy (or Tidal power) is the energy contained in the oceanic tides.
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