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单词 Tidal power station
释义

Tidal power station

英语百科

Tidal power

Variation of tides over a day
The world's first commercial-scale and grid-connected tidal stream generator – SeaGen – in Strangford Lough.[10] The strong wake shows the power in the tidal current.
Top-down view of a DTP dam. Blue and dark red colors indicate low and high tides, respectively.

Tidal power, also called tidal energy, is a form of hydropower that converts the energy obtained from tides into useful forms of power, mainly electricity.

Although not yet widely used, tidal power has potential for future electricity generation. Tides are more predictable than wind energy and solar power. Among sources of renewable energy, tidal power has traditionally suffered from relatively high cost and limited availability of sites with sufficiently high tidal ranges or flow velocities, thus constricting its total availability. However, many recent technological developments and improvements, both in design (e.g. dynamic tidal power, tidal lagoons) and turbine technology (e.g. new axial turbines, cross flow turbines), indicate that the total availability of tidal power may be much higher than previously assumed, and that economic and environmental costs may be brought down to competitive levels.

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