The main element of the system is the photovoltaic module , that exposed to the sun produces energy. The module consists of solar cells based on silicon, suitably treated to produce energy.
The monocrystalline is made from an ingot whose atoms are arranged to form a single crystal.
The polysilicon lotus has many crystals joined together, while in amorphous silicon atoms are arranged disorderly.
The various types of silicon are different in appearance and efficiency, the latest is the thin film, which delivers high performance, flexibility and competitive pricing.
The silicon cells are protected by a glass with special strength and transparency.
The power is expressed in the form Wp Watt peak, whose value indicates the amount of energy produced under standard conditions.
L ' inverter is an electronic device, adjusting the energy produced by the panels to the electrical and building the network, transforming direct current into alternating current.
The photovoltaic panels are fixed to a support structure that tilts the modules with the optimal angle of 30 °. The structures can be galvanized steel or aluminum. Are there facilities "trackers" or "tracker", which move during the day just chasing the sun.
last part of ' photovoltaic an electronic control device connected to the inverter, with which it is possible monitor the production of energy through a PC.
For more information download guide here on photovoltaics.
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