How Do Photovoltaic Work?

2041 Words Oct 12th, 2014 9 Pages
2.5 How do photovoltaic work?
For solar cells, a thin semiconductor wafer is especially treated to structure an electric field, positive on one side and negative on the other. At the point when light energy strikes the solar cell, electrons are knocked loose from the atom in the semiconductor material. In the event that electrical conductors are joined to the positive and negative sides, structuring an electrical circuit, the electrons can be caught as an electric current – that is, electricity. This electricity can then be utilized to power a load, for example, a light or a device.
Various solar cells electrically connected with one another and mounted in a support structure or frame is known as a photovoltaic module. Modules are intended to supply electricity at a certain voltage, for example, a common 12 volts system. The current created is specifically subject to the amount light strikes the module.
An array is form when multiple modules are wired together. Generally, the larger the area of a module or array, the more electricity will be generated. They can be connected in series and parallel electrical arrangements to produce any required voltage and current.
Currently, most common PV devices utilize single junction, or interface, to make an electric field inside a semiconductor, for example, a PV cell. In a single junction PV cell, just photons whose energy is equivalent or more prominent than the band gap of the cell material can free an electron for an electric…
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