Solar energy  renewable energy for the future
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  • 1. Solar energy-Solar energy- Renewable energy forRenewable energy for the futurethe future
  • 2. INTRODUCTIONINTRODUCTION  Sun is a constant source of energy.Sun is a constant source of energy. Every day, the sun enriches the EarthEvery day, the sun enriches the Earth with uncountable amounts of solarwith uncountable amounts of solar energy, most of which comes in the formenergy, most of which comes in the form of yellow light.of yellow light.  All around planet Earth, sunlight is by farAll around planet Earth, sunlight is by far the most important source of energy forthe most important source of energy for all living things. Without it, Earth isall living things. Without it, Earth is lifeless.lifeless.
  • 3. CLIMATIC CHANGESCLIMATIC CHANGES IN 1940 : ? IN 2011: !
  • 4. REASONS FOR THEREASONS FOR THE CLIMATIC CHANGECLIMATIC CHANGE  INCREASE ININCREASE IN :: AUTO MOBILESAUTO MOBILES : TRENDS: TRENDS : FASHION: FASHION : OVER POPULATION: OVER POPULATION
  • 5. TYPES OFTYPES OF ALTERNATIVESALTERNATIVES  SOLAR ENERGYSOLAR ENERGY  WIND ENERGYWIND ENERGY  HYDRO ENERGYHYDRO ENERGY  BIOGASBIOGAS
  • 6. SOLAR ENERGYSOLAR ENERGY THE PERFECT ALTERNATIVE
  • 7. PHOTO VOLTAIC CELLPHOTO VOLTAIC CELL  The photovoltaic (PV) process convertsThe photovoltaic (PV) process converts free solar energy - the most abundantfree solar energy - the most abundant energy source on the planet - directly intoenergy source on the planet - directly into solar power.solar power.  Photovoltaic systems use sunlight toPhotovoltaic systems use sunlight to power ordinary electrical equipment .power ordinary electrical equipment .
  • 8. HOW PV CELLHOW PV CELL WORKS ?WORKS ?
  • 9.  Other components in a typical grid-connectedOther components in a typical grid-connected PV system are the array mounting structurePV system are the array mounting structure and the various cables and switches needed toand the various cables and switches needed to ensure that the PV generator can be isolatedensure that the PV generator can be isolated both from the building and from the mains.both from the building and from the mains.  Again, good suppliers and installers of grid-Again, good suppliers and installers of grid- connect PV systems will be able to offer adviceconnect PV systems will be able to offer advice on these aspects of the PV system.on these aspects of the PV system.
  • 10. APPLICATIONSAPPLICATIONS  Architecture and urban planningArchitecture and urban planning  Electrical generationElectrical generation  Agriculture and horticultureAgriculture and horticulture  Solar lightingSolar lighting  Heating, cooling and ventilationHeating, cooling and ventilation  Solar vehiclesSolar vehicles Pollution free and sound less
  • 11. CONCLUSIONCONCLUSION  Due to this arising pollution andDue to this arising pollution and population problem ,the scarce of thepopulation problem ,the scarce of the natural resources is increasingnatural resources is increasing exponentially.exponentially.  So the only best substitute for the nonSo the only best substitute for the non renewable natural resources is therenewable natural resources is the SOLAR ENERGY ,the renewable energySOLAR ENERGY ,the renewable energy source for the future generations.source for the future generations.
  • 12. THANKING YOU ONE AND ALL
  • 13. ANY QUERIES ?