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PART2_Basics of Photovoltaics.pptx

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PART2_Basics of Photovoltaics.pptx

  1. 1. Basics of Solar Photovoltaics Presented By Umesh Kubde
  2. 2. (Basic two forms) Heat Light Heat > Thermal Applications like , Steam generation, water heating, drying, cooling etc.. Light > Electricity , and Lighting Applications.
  3. 3. What is Photo-voltaic ? • Photon or light generated voltage. • Generation of a DC current when exposed to light, (mostly sunlight). • Use “PV Cell” for conversion. (Transducer) In its basic forms :
  4. 4. n-type semiconductor p-type semiconductor + + + + + + + + + + + + + + + - - - - - - - - - - - - - - - - - - Physics of Photovoltaic Generation Depletion Zone
  5. 5. Solar PV Cell Technology • The first generation of PV technologies used crystalline structure of silicon (Si) to produce the solar cells • Today, a number of technologies and materials are used to make solar cell. Among the most common are: •
  6. 6. Components of solar PV system • The major components of rooftop solar PV system : • PV array ( a group of solar PV modules combined in series/ parallel) • Inverter • Array mounting structure • Balance of system (BoS) components • Transformer (required for large rooftop system) PV Modules Mounting frame Junction Box DC Cabling Solar Array Isolator Inverter AC Cabling Main Switch Solar Supply Meter Switchboard Power Grid
  7. 7. PV System Types • Stand-alone System – Without battery backup – With battery backup – AC system – DC system – Hybrid • Grid connected System – Without storage – With small storage – Hybrid
  8. 8. Simple Direct Drive PV System
  9. 9. Simple DC PV System with Battery Storage
  10. 10. AC PV System with Inverter
  11. 11. Hybrid PV/Generator System
  12. 12. Utility-Connected (Line-Tie) PV System
  13. 13. Rural development of a country is measured by some indicators-such as 1)Agricultural production 2)Educational facilities 3)Health service improvement 4)Commerce and business facilities 5)Law and order conditions 6)Economic activities, income generating activities. (World Commission on Environment and Development Report)
  14. 14. IMPACT OF SOLAR ELECTRICITY ON RURAL DEVELOPMENT A) SOCIAL IMPACT 1) Change in Daily Work Schedule 2) Longer working hours 3) Access to Information and Entertainment 4) Economic Impacts 5) Promotion of Small Enterprises 6) Income Generating Activities 7) Reducing transportation cost for Kerosene and Battery purposes B) EDUCATIONAL IMPACT 1) Literacy rate 2) Educating the Adult People C) IMPACT ON REDUCING SOME HUMAN DISEASES 1) Eye irritation 2) Coughing and Bronchial diseases D) IMPACT ON GENDER DIMENSIONS Women's (empowerment, changing status) E) IMPACT ON REDUCING OUT-MIGRATION TOWARDS URBAN AREA F) IMPACT ON ENVIRONMENTAL PROTECTION
  15. 15. THANK YOU FOR ATTENTON!

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