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Exploring Solar Energy

Exploring Solar Energy. Radiant Energy. Nuclear Fusion. Daylight Drying Agricultural Products Space Heating Water Heating Generating Electrical Power Concentrating Solar Power (CSP) Photovoltaics. Major Uses of Solar Energy. Daylighting. Drying Agricultural Products.

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Exploring Solar Energy

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  1. Exploring Solar Energy

  2. Radiant Energy Nuclear Fusion

  3. Daylight Drying Agricultural Products Space Heating Water Heating Generating Electrical Power Concentrating Solar Power (CSP) Photovoltaics Major Uses of Solar Energy

  4. Daylighting

  5. Drying Agricultural Products

  6. Space Heating Through Passive Solar

  7. Active Solar Heating

  8. Solar Collector • Glass on outside • Absorbent on inside • Circulating Fluid

  9. Generating Electrical Power • Concentrating Solar Power (CSP) • Trough systems • Power towers • Heat exchanger plus steam turbine • Photovoltaics • Small-scale (buildings) kW production • Large-scale (utilities) MW production • Photoelectric effect

  10. Concentrating Solar Power (CSP)

  11. Ivanpah, Mojave Desert • The United States houses the largest CSP plant in the Mojave Desert. • Ivanpahis operated by NRG. It uses 347,000 garage door-sized mirrors and 173,500 heliostats. Image courtesy of NRG Energy

  12. Photovoltaics

  13. PV Cell

  14. PV Array Components • PV Cells • Modules • Arrays

  15. PV System Components

  16. Remote PV Power

  17. Total PV Installation Worldwide

  18. World Photovoltaic Capacity MW Data: US Department of Energy, NREL 2011 Renewable Energy Data Book

  19. Advantages of Solar Energy • Clean • Sustainable • Free • Provide electricity to remote places

  20. Disadvantages of Solar Energy • Less efficient and costly equipment • Part Time • Reliability Depends On Location • Environmental Impact of PV Cell Production

  21. Using a Digital Multimeter Indicates voltage from alternating current. Do not use. DC Voltage Scale DC Current Scale Resistance Scale. Do not use.

  22. Wiring the PV Modules Series Parallel

  23. For More Information The NEED Project www.need.org info@need.org 1-800-875-5029 Energy Information Administration U.S. Department of Energy www.eia.gov

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