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Electric power plants (5)
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Electric power plants (5)



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  • 2. Index1.Conventional electric power plantNuclear power plantFossil fuel thermal power plant-Combined cycle power plantHydroelectric power plant-Gravity-driven hydraulic power plant-Pump-driven hydraulic power plant
  • 3. Index2.Non-conventional electric power plantsWind power plants and wind farmsSolar power plants-Photo-thermal power plants-Photovoltaic power plantsGeothermal power plantsBiomass thermal power plantsOcean power plants
  • 4. 1. Conventional power plantsNuclear energy:Atomic energy offers a clean energy alternative that frees us from the shackles of fossil fuel dependence, but we have risk of succeed a disaster like in Chernobyl or Japan.
  • 5. 1. Conventional power plantsHow does it works?The break down of the atoms of energy minerals produce a nuclear fission which releases a lot of heat. Then, the heat transforms the water into high-pressure steam which moves a turbine which is connected to a generator that produces electricity with the rotational movement.
  • 6. 1.Conventional power plantsThermal power plants, Functioning:Fossil fuels are burned to produce heat that is used to transform water into high-pressure steam in a boiler. This water moves a turbine which is connected to a generator which produces electricity.
  • 7. Thermal power plant.Combined cycle powerplant:1. During the first cycle, weuse a gas turbine withincludes a compressor. Airand gas is mixed and burned,which generates electricity inthe turbine-alternator system.2. The combustion gases aretransported to a boiler, wherethey transfer their energy tothe water during the secondcycle.
  • 8. 1. Conventional power plantsHydroelectric power plants:This type of power plant uses the potential energy provided by the height of the stored water in the dam, converting it into kinetic energy. This energy moves the blades of the turbine.-There are two types: Gravity and pump.
  • 9. Gravity-driven hydraulic power plantsWater uses follows the course of a river and will not be reused
  • 10. Pump-driven hydraulic power plantsWater descends into a reservoir located at a lower height, then pumped to a higher reservoir to reuse it.
  • 11. 2. Non-conventional power plantWind power plants and wind farms:Its a form of energy that doesnt pollute but it is very expensive and right now it cant compete with the other conventional energies.
  • 12. 2. Non-conventional power plantsPhoto-thermal power plant:The heat generated by solar radiation produces steam that is used to move the rotor in the generator. To attract the sunlight they use heliostats that concentrate it at one point where are reaches high temperatures.
  • 13. 2. Non-conventional power plantPhotovoltaic power plant:These power plants consist of large areas of photovoltaic panels. Solar radiation is transformed directly electricity by panels of photovoltaic cells. Isolated power plants are used to supply electricity to homes in rural areas.
  • 14. 2. Non-conventional power plantGeothermal power plant:These plants uses the heat found at deep levels in the earth. This heat may reach the surface in the form of steam, gases or hot water. Geothermal energy is used to produce electricity and for water heating.
  • 15. 2. Non conventional power plantBiomass thermal power plants:Urban and agricultural wastes are burned. These are the main sources for biomass:-Forestry and agricultural waste.-Specific crops, such as sunflowers and sugar beet.-Waste from agri-food industry.The heat and gases produced by decomposing waste are then used to moves turbines which generate electricity.
  • 16. Biomass thermal power plants
  • 17. 2. Non conventional power plantOcean power plants:These power plants use the energy from the seas and the oceans. The concept is to use the three types of energy from the sea:-The mechanical energy from the tides.-The mechanical energy from the waves.-The energy from the oceans thermal gradient.These power plants are still in the experimental phase and their level of production is still very low.
  • 18. Ocean power plants
  • 19. Making water from thin airEole water is a wind turbine that transform humid air into drinking water created by a French engineering firm. It is a great discover because it can provide water to desertic areas or areas where acces to water is difficult, but it very expensive, so it cannot be produced in high quantities. One turbine can produce up to 1,000 liters of water every day, depending on the level of humidity, temperature and wind speeds and it costs between €500,000 ($660,000) and €600,000 ($790,000) depending on the location and surroundingconditions to install just one Eole Water turbine