Hydroelectricity
This presentation is the property of its rightful owner.
Sponsored Links
1 / 16

Hydroelectricity PowerPoint PPT Presentation


  • 58 Views
  • Uploaded on
  • Presentation posted in: General

Hydroelectricity.

Download Presentation

Hydroelectricity

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Hydroelectricity

Hydroelectricity

  • Hydroelectricity is electricity obtained from hydropower. Most hydroelectric power comes from the potential energy of dammed water driving a water turbine and generator, although less common variations use water's kinetic energy or dammed sources, such as tidal power. Hydroelectricity is a renewable energy source.

  • The energy extracted from water depends not only on the volume but on the difference in height between the source and the water's outflow. This height difference is called the head. The amount of potential energy in water is proportional to the head. To obtain very high head, water for a hydraulic turbine may be run through a large pipe called a penstock.


Hydroelectricity

-+-+-+-+-+-+-+-+-+-

  • While many supply public electricity networks, some hydroelectric projects were created for private commercial purposes. For example, aluminium processing requires substantial amounts of electricity, and often dedicated hydroelectric projects are built to serve aluminium electrolytic plants. In the Scottish Highlands there are examples at Kinlochleven and Lochaber, constructed during the early years of the 20th century. In Suriname, the 'van Blommestein' lake, dam and power station were constructed to provide electricity for the Alcoa aluminum industry


Largest hydro electric power stations

Largest hydro-electric power stations

  • In progress::::Ilısu Dam, one of the Southeastern Anatolia Project Dams in Turkey, Construction started on August 5, 2006.

  • Three Gorges Dam, China. First power in July 2003, with 9,800MW installed until 2006, scheduled completion 2009, total power 22,400 MW including the Underground Power Station (6×700MW)

  • Xiangjiaba Dam,China.Construction started in November 26 2006, scheduled completion 2015, 6,000 MW

  • Xiluodu Dam, China. Construction started in December 26 2005, scheduled completion 2015, 12,600 MW


Il su dam

Ilısu Dam


Hydroelectricity

  • Hydroelectric plant in Costa Rica.


Geothermal pover

Geothermal Pover

  • Geothermal power is the use of geothermal heat to generate electricity. It is often referred to as a form of renewable energy, but because the heat at any location can eventually be depleted it is by definition not strictly renewable. Geothermal comes from the Greek words geo, meaning earth, and therme, meaning heat. Geothermal literally means "earth heat". Geothermal-generated electricity was first produced at Larderello, Italy, in 1904.


Hydroelectricity

*****************************

  • Undershot water wheels on the Orontes River in Hama, Syria

  • Saint Anthony Falls


Capacity

Capacity

  • By the end of 2005 worldwide use of geothermal energy for electricity had reached 9.3 GWs, with an additional 28 GW used directly for heating [1]. If heat recovered by ground source heat pumps is included, the non-electric use of geothermal energy is estimated at more than 100 GWt (gigawatts of thermal power) and is used commercially in over 70 countries [2].

  • During 2005 contracts were placed for an additional 0.5 GW of capacity in the United States, while there were also plants under construction in 11 other countries [3].


Hydroelectricity

-+-+-+-+-+-+-+-+-+-+-+-+-

  • Geothermal borehole outside Reykjavik


We know

Oil , coal and gas are very harmful for tha world.

But we hope in the future hydroelectric and geothermal power instead of them.

        

WE KNOW….


I think they are very difficult which one do yo prefer

I think they are very difficult.Which one do yo prefer?


It is prepared by raziye alt nsoy aksaray h gh school

It is prepared byRaziye AltınsoyAKSARAY HİGH SCHOOL


  • Login