Photovoltaics: Electricity From the Sun

Topics:
Civil and Environmental,
Mechanical and Industrial
Tags:
Manufacturing,
North Carolina Solar Center,
Photovoltaics,
Sun Microsystems Inc.
Source:
North Carolina Solar Center

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Overview: Making electricity without adversely affecting the environment may seem like a dream too good to come true. However, through the use of photovoltaic (PV), sunlight can be converted directly into electricity. No fluids or moving parts are involved. Solar photovoltaic are made of semiconductor materials that produce voltage and current when exposed to sunlight. These semiconductor materials are made into PV cells. The electricity generated by PV cells is direct current (DC) like that produced by batteries. As more light falls on a cell, more electricity is generated; therefore, a PV system must not be shaded because such shading can substantially reduce performance.

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Format: PDF | Size: 1,495KB | Date: Jul 2002 | Pages: 6

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