While our oceans house an eco-system, they also house a massive store of WIND ENERGY for us. The sea is becoming the prime real estate for generating renewable energy. Wind Turbines can be placed in sea where the large amount of alternate energy can be tapped. This energy will be cheaper and eco-friendly, as usual.
North Sea is first place where this is being carried out. Each turbine can be generating 5 MW energy to power atleast 3000 homes.
The technology used is deep water technology, where the system holds a 200 meter tall steel tube with an attached turbine and three 60-meter-long blade. The tube is 50-70 meter deep in water, rest above sea level. The turbine is tied to sea bed to keep it in place. Being far from sea shore there is less disturbance and disruptions, hence generating more power than surface turbines. Also the WIND is stronger at the mid of sea.
http://www.guardian.co.uk/environment/2007/oct/14/windfarms
Friday, October 10, 2008
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