panel solar cell


 
                                                  
                                Make Your Own Electricity with Solar Cells

Solar cell is basically an active element that converts sunlight intoelectrical energy.

Indonesia itself is a country crossed by the equator and receivesmore solar heat than any other country, so it has huge potential todevelop solar power plants. Various installations of solar cells has been widely used although only in some segments of society can afford.


Solar cell material itself consists of the protective glass and a transparent adhesive material that protects the solar cell materialfrom the environment, anti-reflection materials to absorb more lightand reduce the amount of reflected light. Solar cell is a pn junctionof silicon single crystal. By using photo-electric effect of semiconductor materials, solar cells can directly convert sunlightinto electricity unidirectional (dc).


How it works Solar Sell

If solar cells were subjected to sunlight, then arises the so-calledelectron and hole. Electron-electron and hole-hole arising around the pn junction in a row to move toward the direction of a layer of nand p layers Hence, in the electron-electron and hole-hole wasacross the pn junction, the potential difference arises at both ends of the solar cell. If at both ends of the solar cells will arise given theload electric current flowing through beban.Bahan and how safe working environment makes solar cells as a result of efficientpower generation technologies for alternative energy sources in the future society


Sell ​​Solar Applications

Before designing alternative energy systems that utilize solar cells,you should consider some ha following:
Average power consumption for 24 hours.
Average power consumption at night (starting from the loss ofsunlight to the emergence of sunlight on solar cells)
Peak power consumption
Based on author's calculations, for now do not expect the cost ofoperating / maintenance of the solar cell system is cheaper thanelectricity.


[aplikasi+solar+sel2.bmp]


The picture above shows an alternative electrical energy systemsthat utilize the sun's rays. Above considerations used to determine the specifications of the components that will be in pairs on the system, because the wrong choice can cause thecomponents of this system is not working properly (easily damaged / no maximum).
Each section functions Above Systems
Sell ​​Solar
As a source of electrical energy. based on the test writers (thephysical picture of the greatest solar cells) 1 fruit sell at thecurrent solar hot enough sunlight produces 20V-23, .. v / 1.9 to 2.4 .. A (38-50 watts) or about 350 Watt / day.

Controll ON / OFF
To control charging batery batery and connect with the load(inverter).

batery
To store electrical energy in solar cells produced. usually bateryis in use has a high enough Ampare hour. reasons to turn lights10 watts just for 1 night (12 hours) ideally requires 12V/10Abatery.

inverter
To change the batery voltage of 12V DC into AC 220. for better results use an inverter that generates a sine wave.

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