Hydroelectric Power Plants by Ana Bugallo and Julia Martínez

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School project on energy resources for the bilingual section of the class of Technology.

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Hydroelectric Power Plants by Ana Bugallo and Julia Martínez

  1. 1. Ana Bugallo & Julia Martínez, 3ºA.
  2. 2. - INDEX:1. Explanation of this energy.2. How these power plants work.3. Advantages and disadvantages.4. Hydroelectric power plants in Galicia and Spain.5. Hydroelectric power plants in Europe and the world.6. Conclusions.7. Bibliography.
  3. 3. 1. Explanation of this energy. This energy is obtained from the fall of the water from a height to a level below which causes the movement of hydraulic or turbine wheels.
  4. 4. 1. Explanation of this energy. Hydropower harnesses the power of moving water.
  5. 5. 2. Working of this power plant.• This kind of power plant collects water in a dam.• When we open the doors of the dam, the water falls and this movement produces energy.
  6. 6. 2. Working of this power plant. When the water enters  The transformer turns the power station, it the force of the water moves the turbine. into electric energy.
  7. 7. 3. Advantages and disadvantages.ADVANTAGES. 1. It’s a renewable energy, so it’s good for the environment. 2. It decreases the effect of greenhouse gases. 3. It controls the risk of floods. 4. Doesn’t produce carbon dioxide.
  8. 8. (ADVANTAGES)5. High energy yield.6. It is completely safe for people, animals or property.7. It doesn’t generate heat or emits pollutants.8. It’s autoctonous, avoiding exterior imports.
  9. 9. 3. Advantages and disadvantages.DISADVANTAGES.1. The construction of dams can flood towns and cities.2. Destruction of nature.3. Alteration of ecosystems.4. Loss of fertile land.
  10. 10. (DISADVANTAGES)5. Sediment loss.6. It alters the normal development of biological life (animal and plant) of the rivers.7. Reservoirs generate germsand diseases by stagnation.
  11. 11. 4. Hydroelectric power plants inGalicia and Spain.GALICIA: 38 hydroelectric power plants.
  12. 12. Galician hydroelectric powerplants•This is a pictureof Fenosa’sreservoirs inGalicia.• Our communityproduces almost¼ of the totalhydroelectricpower in Spain.
  13. 13. Galician hydroelectric PowerPlantsThere are:- 22 in Ourense- 7 in A Coruña- 6 in Lugo-3 in PontevedraA total of 38hydroelectricpower plants
  14. 14. San Sebastián II hydroelectricpower plant. It’s the biggest hydroelectric power plant in Galicia. It’s on the Sil river. It has got a power of 440 MW.
  15. 15. Spanish hydroelectric power plants This is the evolution of theinstalled power in Spain.
  16. 16. Spanish Hydroelectric Power Plants This map shows the power plants larger than 20 MW. The letters indicate the names of the 10 plants which are larger than 300 MW.
  17. 17. 5. Hydroelectric power plants inEurope and the world.The Europeans are the second largest consumers in the world.
  18. 18. 6. Conclusions. We think these power plants are a good idea because, recently, they have built mini hydro plants, more respectful with the environment and beneficial for technological progress, achieving a good performance and a reasonable economic viability.
  19. 19. 7. Bibliography. http://educasitios2008.educ.ar/aula156/hidraulica/ http://renovasenergias.blogspot.com.es/2008/11/venta jas-y-desventajas-de-la-energa_25.html http://twenergy.com/energia-hidraulica/ventajas-de- la-energia-hidraulica-433 http://es.wikipedia.org/wiki/Energ%C3%ADa_hidr%C 3%A1ulica http://augasdegalicia.xunta.es/es/1.4.htm
  20. 20. 7. Bibliography. http://www.ejecutivos.es/noticia/33490/Empresas/IBE RDROLA-finaliza-con-exito-las-pruebas-de-puesta- en-marcha-de-la-central-de-San-Sebastian-II.html

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