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Automatic sun tracking system. ppt

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Solar tracking system
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Automatic solar tracker is a system which helps to boost the energy production of solar panel. The whole system even does not need any external power source,

Automatic solar tracker is a system which helps to boost the energy production of solar panel. The whole system even does not need any external power source,

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Automatic sun tracking system. ppt

  1. 1. AUTOMATIC SOLAR TRACKING SYSTEM By: Saumya Ranjan Behura Regd No.-1521292032
  2. 2. INTRODUCTION  A solar tracking system can be used as a power generating method from sunlight.  This project helps for power generation by setting the equipment to get maximum intensity sunlight automatically.  When there is decrease in intensity of light, this system automatically changes its direction to get maximum intensity of light.
  3. 3. CONTENTS:- •What is a Solar Tracker ? • Need for a Sun Tracking System • Condition for Maximum Output • Basic Components • The Working • Applications • Advantages & Disadvantages • Conclusion •References
  4. 4. What is a solar Tracker ? A solar tracker is a generic term used to describe devices that orient or align various payloads toward the sun. Example for payloads are photovoltaic panels, reflectors, Collectors, lenses or other optical devices. The system focuses on the optimization of the electric energy produced by photovoltaic cells through the development of a sun-tracking system.
  5. 5. Need For A Sun Tracking System Global worming has increased the demand and request for green energy produced by renewal sources as solar power. Solar energy has been the power supply of choice for industrial application where power is required at remote locations. Solar tracking is increasingly applied as a effective power generation .
  6. 6. Conditions For MaximumOutput The difference between the incident ray and the reflected ray should be equal to zero, i.e. the rays should be perpendicular to the panel. The altitude is directly proportional to the efficiency of the system up to a certain limit. Very clear sky and clean atmosphere contributes a bit more to the efficiency of the system.
  7. 7. Basic Components The Solar Panel Stepper Motor Actuator Microcontroller A Display Unit (Optional) Interfacing Cables
  8. 8. The Working Interfacing between hardware and microcontroller Inputs to microcontroller Controlling constraints
  9. 9. Circuit Diagram
  10. 10. The Inputs The various positions of the sun over a year for a particular geographical location is given as the primary input to the microcontroller.  The irradiance of the sun for a particular geographical location over a year is the input for the microcontroller. The real time clocking is enabled in the microcontroller.
  11. 11. Controlling Constraints The microcontroller is programmed to orient the panel at optimum position against the sun, via comparing to the inputs given. The microcontroller is set with a lower tolerance for the voltage produced. If the voltage produced is above the tolerance then it holds the position of the panel. If the voltage falls below the tolerance, then the panel changes the position in the forward direction.
  12. 12. Applications Can be used for small & medium scale power generations. For power generation at remote places where power lines are not accessible. For domestic backup power systems.
  13. 13. Advantages • Solar tracking systems continually orient photovoltaic panels towards the sun and can help maximize your investment in your PV system. • One time investment, which provides higher efficiency & flexibility on dependency over other sources. • Tracking systems can help reducing emissions and can contribute against global warming. • Bulk implementations of tracking systems help reduced consumption of power by other sources. • It enhances the clean and emission free power production.
  14. 14. Disadvantages Initial investment is high on solar panels. It’s a bit of difficult for servicing, as the tracking systems are not quite popular regionally. Moving parts and gears which will require regular maintenance. May require repair or replacement of broken parts over a long run.
  15. 15. Conclusion On one hand we can see the worlds energy resources depletion to be a major problem. On the other hand global warming, which is a major concern. Switching to solar power, which is clean and green and enhancing its efficiency by using sun trackers is a great option in the near future .
  16. 16. References www.studymafia.org www.wikipedia.com www.google.com www.pptplanet.com

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