How is electrical energy generated from solar power?
Sunlight is converted into electrical energy by photovoltaic (PV) cells. The PV cells consist of layers of semi-conductive material designed to be either N-type (negative) or P-type (positive). The light (photons) which is absorbed is used to excite electrons from their atomic structure which then creates a potential difference between the two semi-conductive layers, typically in the region of 0.5V per cell.
The photovoltaic cells are connected together and mounted into a support structure or frame called a photovoltaic module these modules are combined together to form a photovoltaic array.
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