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Renewable energy and resources

R
R
REVATHIAMBIKA VENUGOPALLOYOLA INSTITUTE OF TECHNOLOGY, CHENNAI

FUNDAMENTAL CONCEPT OF RENEWABLE, NON-RENEWABLE ENERGY, RESOURCES OF ENERGY, SOLAR ENERGY, WIND ENERGY, TIDAL ENERGY, GEOTHERMAL ENERGY, BIOMASS ENERGY, OCEAN ENERGY , FREE ENERGY, APPLICATIONS OF RENEWABLE

Renewable energy and resources

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V.REVATHIAMBIKA
SAMS College of Engg & Tech.,
         Chennai.
INTRODUCTION
 Energy is the power to do works and drive machines.


 Energy can’t be made or destroyed, regarding motion,
  there are kinetic and potential energy.

 Regarding power, there are two main kinds of energy

     1. Renewable energy
     2. Nonrenewable energy
Renewable energy and resources
Classification of Renewable energy
        Bioenergy
        Geothermal
        Wind
        Solar
        Hydrogen
        Tidal
        And many more...
Renewable energy and resources
Renewable energy and resources
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Renewable energy and resources

  • 1. V.REVATHIAMBIKA SAMS College of Engg & Tech., Chennai.
  • 2. INTRODUCTION  Energy is the power to do works and drive machines.  Energy can’t be made or destroyed, regarding motion, there are kinetic and potential energy.  Regarding power, there are two main kinds of energy 1. Renewable energy 2. Nonrenewable energy
  • 4. Classification of Renewable energy Bioenergy Geothermal Wind Solar Hydrogen Tidal And many more...
  • 7. Solar energy  Most renewable energy comes either directly or indirectly from the sun.  Sunlight, or solar energy, can be used directly for heating and lighting homes and other buildings, for generating electricity.  Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible.  Solar technologies are generally classified as Active and Passive solar energy
  • 9. Definition of photovoltaic Photo = “light” and photons = “energy” particles coming from sunlight; voltaic = producing a voltage or volts.
  • 10. Photovoltaic (PV) Effect  When sunlight is absorbed by the materials, the solar energy knocks electrons loose from their atoms, allowing the electrons to flow through the material to produce electricity.  Several connected PV arrays can provide enough power for a household; for large electric utility or industrial applications, hundreds of arrays can be interconnected to form a single, large PV system.
  • 11. PHOTOVOLTAIC SOLAR PANALS  It convert sunlight directly into electricity.  It consists of several connected 0.6-V dc PV cells, which are made out of a semiconducting material sandwiched between two metallic electrodes.  The photovoltaic effect refers to the separation of minority carriers [electrons and holes] by a built-in electric field, such as a PN-junction or Schottky barrier.  Thin-film crystalline-silicon solar cells consist of layers about 10 µm thick compared with 200- to 300-µm layers for crystalline-silicon cells.
  • 12. Thin film technology  Thin-film crystalline-silicon solar cells consist of layers about 10 µm thick compared with 200- to 300-µm layers for crystalline-silicon cells.  Advanced Energy provides highly reliable power conversion and control solutions to thin films manufacturing companies around the world.
  • 13. Copper and indium are deposited by magnetron sputtering, followed by selenization to form the high-absorbing ptype semiconductor cuinse2, which is combined with an n- type electrode of zno to create thin-film solar modules  A=Barrier/Mo deposition  B= Laser patterning  C=Cu/In/Se deposition  D=Heat treatment 500°C  E=Chemical deposition 60°C  F=Patterning  G=2nd deposition 200°C  H=Patterning  I=Contacts/lamination
  • 14. Wind power  It converting wind energy into electricity by using wind turbines.  Wind comes from atmospheric changes; changes in temperature and pressure makes the air move around the surface of the earth. A wind turbine captures the wind to produce energy.  It create power without using fossil fuels, without producing greenhouse gases or radioactive or toxic waste. Wind power is one of the best ways to combat global warming.
  • 16. Nuclear Energy  It is produced by a nuclear reaction when the splitting or fusion of atoms occurs.  Nuclear fuel does not produce greenhouse gases, so will not contribute to global warming. There is a relatively long-lasting supply of raw material.  The main issues that come up with nuclear energy are the safety
  • 18. Free Energy/Radiant Energy  It is the energy of electromagnetic waves.  The oceans and other waters of the world cover over 70% of the Earth’s surface.  Free Energy device/method would draw additional power from the sea of Universal Energy in which all matter is carried, and it is thought that such a device would produce more energy than is used to run it, also known as Over unity.  Constantly moving, which allows many waters
  • 19. SQUIDS/OCEAN RADIENT ENERGY  It has an inflatable absorber similar to a large balloon which fills with sea water.  Sitting just under the surface, the absorber is moved by passing waves and the energy from this motion drives a generator to produce electricity.  Scotland's leading marine energy test centre has opened
  • 20. MEMS & Nanotechnology  Ultra low power electronics – MCUs, RTCs, DSPs  Smart devices in everything,  Sensors everywhere for data capture and analysis,  Wireless is pervasive,  Miniaturization,  Integration,  High Reliability,  Eco-friendly solutions,  Renewable energy sources,  Reduced life cycle costs.
  • 22. Good Materials BAMBOO CORK COCONUT
  • 23. Renewable energy from natural resources  Synthetic solar cells created on tobacco plants  Generating energy from evaporation on a leaf  Electricity from bacteria and grass clippings  Generating energy from trees to power sensors  Virus Battery  Energy from Cactus  Living Batteries  Frog-inspired technology to generate biofuel using artificial photosynthesis  Harvesting energy from Spinach  Energy to run LEDs harvested from trees
  • 25. Advantages & disadvantages of nuclear energy Advantages Disadvantages  Nuclear power costs  It is very, very dangerous. about the same as coal,  It must be sealed up and so it's not expensive to buried for many make. thousands of years to  Does not produce smoke allow the radioactivity to or carbon dioxide, so it die away. does not contribute to  For all that time it must the greenhouse effect. be kept safe from  Produces huge amounts earthquakes, flooding, of energy from small terrorists and everything else.
  • 26. Advantages and Disadvantages of Non-renewable Resources ADVANTAGES  It provide United States with electricity, gasoline and heat in the future.  Oil, petroleum, natural gas, coal and uranium, are some of the primary sources of fuel used to provide power and heat to many industrial, commercial and residential consumers DISADVANTAGES Limited sources of energy
  • 28. Saving Energy  Quality  Excellence  Reliability Saving Money  Range  Support and Service Saving the  Cost-effective Environment  Efficient  Clean and sustainable
  • 29. CONTROLLERS AND REGULATORS SOLAR CHARGE WIND TURBINE
  • 30. Renewable energy technologies can help contribute to a clean and secure energy future for our nation and the world As an electricity provider As a farmer or rancher As a homeowner As a small business owner
  • 32. our earth. We have to make a balance between energy consumption and environment protection. We have to make more efforts to ensure that the world’s resources are to be used in a sustainable energy.