Wednesday, April 6, 2011

SolarEnergy - "Photovoltaic Cell" Systems Explained.


"Photovoltaic Cell"  Systems

A "photovoltaic cell"  (PV), or solarenergy electric system, is made up of several photovoltaic solar cells. An individual "photovoltaic cell" (PV cell) is usually small, typically producing about 1 or 2 watts of power. To boost the power output of  a"Photovolaic cell", they are connected together to form larger units called modules. Modules, in turn, can be connected to form even larger units called arrays, which can be interconnected to produce more power, and so on. In this way, PV systems can be built to meet almost any electric power need, small or large.
Illustration of solar cells combined to make a module and modules combined to make an array.
The basic PV or solar cell produces only a small amount of power. To produce more power, cells can be interconnected to form modules, which can in turn be connected into arrays to produce yet more power. Because of this modularity, PV systems can be designed to meet any electrical requirement, no matter how large or how small.
By themselves, modules or arrays do not represent an entire PV system. Systems also include structures that point them toward the sun and components that take the direct-current electricity produced by modules and "condition" that electricity, usually by converting it to alternate-current electricity. "Photovoltaic Cell", PV systems may also include batteries. These items are referred to as the balance of system (BOS) components.
Combining modules with BOS components creates an entire PV system. This system is usually everything needed to meet a particular energy demand, such as powering a water pump, the appliances and lights in a home.
You can build your own "Photovoltaic Cell" PV System at home with the aid of the information contained in the attached links below. They also provide instruction on building your own windenergy turbine, to supplement the solarenergy system.
Check it out today and start building for a greener globe today -   GlobalGreen



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