Branchement panneau solaire - Fonctionnement

How a photovoltaic cell works

A photovoltaic cell is an electronic component that produces electricity when exposed to sunlight. These little squares, gathered together, form the module of a solar panel. On average, there are between 60 and 72 per panel. 

Photovoltaic cells work based on the semiconductor properties of the materials used. The cells that make up the panel are what convert the solar energy into electricity. 

The particle of light, called a photon, loses its energy when it lands on the photovoltaic cells. This signal generates free electrons that move back and forth, creating a current similar to that of a battery. These are connected to inverters that convert the direct current into alternating current, to feed it into the grid or consume it on site. 

For optimal efficiency, but also for the photovoltaic cells to work properly, it is advisable to have a roof sloping to 30° and to be south-facing. It is also better if there are no shade sources, like trees, which will obscure the panels. 

The solar panel, an ecological and virtuous principle

The principle behind the solar panel is to enhance the energy produced by the sun by converting it into electricity.  

Photovoltaic panels work in such a way that it is possible to generate economical, non-polluting, readily available energy. This type of energy should be favoured, habitat permitting, because it is environmentally friendly and addresses more global ecological issues, real concerns of our time. 


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