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Ocean Energy and Tidal Power Generation

Ocean energy is one of the new kinds of energy.
The main task of developing and utilizing ocean energy in modern time is to generate electricity. There are several ways to use ocean energy for power generation, which include tidal power generation, tidal current generation, wave power generation, ocean thermal energy conversion, and ocean salinity gradient power generation, but tidal power generation is the more common way of using both domestically and internationally.  Tide is the regular fluctuation of seawater and the energy in such movement is called tidal energy. Tide is caused by the moon gravitation and the greatest tidal difference is nearly up to 9m. According to related data sources, the potential tidal energy in the world is approximately 2.7 billion KW. If this energy could be fully developed, the annual power output would be astonishing.

Tidal power generation is to utilize the potential energy caused by tidewater level fluctuation, that is to convert the potential energy into mechanical energy and finally to electric power.

Tidal power generation project is to select sites at sea gulfs or estuary with tide movement and suitable for dam building, thus to increase the water level inside the dam with tide, and install turbine generators inside the dams or power houses, so that generation sets can be driven by the turbines when seawater level fluctuates and passes through.


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