Photovoltaic Use By Antonia Petrou
What is Photovoltaic energy Abundant energy of the sun “Light Electricity” –turns light into electrical energy
Benefits Clean Reliable Affordable Create jobs Strengthen economy No air pollution No hazardous waste
Who can use it? ü Small industries ü Large companies ü Schools ü Independent individuals Everybody
How does it work? Semiconductor materials Solar cells PV modules PV arrays Electrical connections Mounting hardware Power conditioning equipment Batteries
Photovoltaic cells
Details on photovoltaic sells Size depends on: Amount of sunlight available Needs of consumer Materials used: • Silicon • Polycrystalline thin films
Types of PV Systems Simple system (stand alone) System with batteries System with generators Hybrid systems Net metering Grid connections Utility connections
Example of a battery system
Applications Houses Industries Calculators Wristwatches Communication satellites Water pumps Road & traffic signs
Example of a PV house
QUESTIONS? ? ?
References: US Department of energy http: //www. energy. gov/ Renew ND http: //www. areavoices. com/renewnd/? blog=8588 SENS Mechanical INC http: //www. sensmechanical. com/energy_Photovoltaic. html Argent Solar http: //www. argentsolar. com/why. html
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