ENGR 312 photovoltaic systems
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Photovoltaic (PV) cells convert sunlight into electric power and were invented in 1954 at Bell Labs. Mass production of PV cells began in the 1960s, lowering the cost per watt from $1000 to $3 by 2010. Designing and sizing an effective PV system requires calculating the predicted annual power distribution using tools like the National Renewable Energy Laboratory's PV Watts Calculator, which determines a system's energy production and cost savings. The environmental impact of a PV system can also be estimated using calculators available from the Environmental Protection Agency based on the system's energy production.
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ENGR 312 photovoltaic systems
- 1. Photovoltaic Systems ENGR 312 Chris Flynn Wes Grebski
- 2. What is a photovoltaic cell? Photovoltaic (PV) cells convert sunlight into electric power.
- 3. Development of Photovoltaic Cells 1954 – Invented at Bell Labs 1960 - Handmade until this time Cost: $1000/Watt (approximate) 2010 - Mass production Cost: $3/Watt (approximate)
- 4. Designing and Sizing PV Systems In designing and sizing a PV system, it is necessary to calculate the predicted annual power distribution. National Renewal Energy Laboratory has developed a PV Watts Calculator which determines the energy production and cost saving of grid connected PV energy systems throughout the world. http://rredc.nrel.gov/solar/codes_algs/PVWATTS/version1/
- 5. Calculating the Environmental Impact of a PV System The environmental impact of the PV installation can be calculated based on the energy production. The calculators for determining the environmental impact are available through http://www.epa.gov/cleanenergy/energy-resources/calculator.html