Concentrated solar power2
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Concentrated solar power2 Presentation Transcript

  • 1. SOLAR THERMAL ENERGY C.KARUN KUMAR Swarnandhra Engineering College
  • 2. INTRODUCTION• Solar energy is most efficient , harmless and renewable energy source• Solar energy is very economical• Solar energy is available everywhere
  • 3. BACKDROPS OF SOLAR ENERGY• Involves high initial costs• Unavailability at all times
  • 4. CSP• CSP stands for Concentrated Solar Power• Concentrated Solar Power (CSP) is a process of concentrating heat in one point
  • 5. HELIOSTAT• A Heliostat (from Helios, the Greek word for sun, and stat, as in stationary)• Heliostat is a device that includes a mirror, usually a plane mirror, which turns so as to keep reflecting sunlight toward a predetermined target
  • 6. • Reflective surface of mirror is kept perpendicular to the bisector of the angle between the directions of the sun and target
  • 7. GEMASOLAR POWER PLANT• Installed capacity – 20 MW• Annual generation – 110 GWh• Heliostats – 2,650
  • 8. WORKING• The concentrated solar power used to heat fluid deposit• Working fluid is heated upto 250–1000°C• This fluid is used to run steam turbine
  • 9. TYPES OF SOLAR CONCENTRATERS• Heliostats• Parabolic trough collectors• Stirling dish• Fresnal concentrator
  • 10. PARABOLIC TROUGH COLLECTORS
  • 11. STIRLING DISH
  • 12. FRESNAL CONCENTRATOR
  • 13. ADVANTAGES OF STP• Capable of supplying power continuously• High potential under the Renewable energy sources• Solar collectors absorb the energy from the sun 3- 4 times more efficiently than solar cells.• The price of solar collectors is about 3 times less than the price of solar cells.• A solar collector also generates energy on cloudy days