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Chapter 1

Chapter 1. Introduction to Photovoltaic Systems. Photovoltaics • PV Applications • PV Industry • Solar Energy Technologies .

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Chapter 1

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  1. Chapter 1 Introduction to Photovoltaic Systems Photovoltaics • PV Applications • PV Industry • Solar Energy Technologies

  2. A utility-connected residential PV system is the most common system configuration. Various electrical components control, condition, and distribute the PV power to DC and/or AC loads.

  3. An electric utility produces electricity at a power plant and distributes it to consumers through power lines, substations, and transformers.

  4. Distributed generation systems produce electricity close to where it is used.

  5. Selenium photoconductive cells eventually found uses in light-sensing electronics, such as exposure timing circuits in cameras.

  6. The first practical photovoltaic cell was invented at Bell Laboratories in 1954.

  7. Rural communications systems in the 1950s were the first terrestrial applications of PV technology.

  8. Decades of development and manufacturing improvements have decreased the price per watt for PV systems.

  9. Production and installation of PV systems is growing rapidly.

  10. Nearly every satellite and spacecraft since 1958 has relied on a PV system for power generation.

  11. Portable PV systems tend to be small and intended for specific loads.

  12. Remote areas where conventional utility-supplied power is out of reach are ideal for the application of PV technology.

  13. Supplemental power systems, most often for single-family homes, are the fastest-growing type of PV system installation.

  14. PV technology can be used for large-scale power production, but this application is not yet common.

  15. The PV industry is composed of several levels of businesses and organizations.

  16. Skilled and well-trained installers are needed to ensure quality PV system installations.

  17. The official mark of a listing organization signifies that a product meets the organization’s standards for safety and quality.

  18. Renewable energy is expected to compose an increasingly larger portion of energy production.

  19. Renewables portfolio standards and goals vary by state.

  20. A flat-plate collector can utilize any solar radiation, direct or reflected, that strikes its surface.

  21. Concentrating collectors focus a large area of direct solar radiation onto a relatively small area.

  22. Solar architectural design uses building materials or design techniques to provide light and comfortable temperatures inside a building.

  23. Solar thermal energy is a relatively simple way to provide domestic hot water or heating.

  24. The intense solar radiation needed to produce electricity from thermal energy requires solar concentrating systems.

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