"pumpedstorage" - 1 õppematerjal

Hydroelectricity

hydropower; the production of electrical power through the use of the gravitational force of falling or flowing water. It is the most widely used form of renewable energy. History Hydropower has been used since ancient times to grind flour and perform other tasks. In the mid1770s, French engineer Bernard Forest de Bélidor published Architecture Hydraulique which described vertical and horizontalaxis hydraulic machines. Hydroelectric Dam Generating methods Conventional (dams) Pumpedstorage Runoftheriver Underground Advantages Economics CO2 emissions Other uses of the reservoir Disadvantages Ecosystem damage and loss of land Siltation Relocation Failure hazard Estonia hydroelectricity´s Kamari hüdroelektrijaam Tudulinna hüdroelektrijaam Linnamäe hüdroelektrijaam Largest The Three Gorges Dam is the largest operating hydroelectric power station, at 22,500 MW. Three Gorges Dam Video http://www.youtube.com/watch?v=rnPEtwQtmGQ