Solar panel is certainly in vogue today and it seems like everyone is building their version of the next great PV(Photovoltaic) module.There are three types of solar panels: mono-crystalline , multi-crystalline, and amorphous silicon
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There are three types of PV module: mono-crystalline , multi-crystalline, and amorphous silicon in the curren market.The Mono-crystal solar panel are currently the most efficient type available, meaning that they produce the most power per square foot of module. The cells are fragile so they must be mounted in a rigid frame, and the solar panels usually have a polka dot or checkered pattern.
Principle of work of PV module,Photovoltaic Module,provided by solar panel manufacturer
Basic System Operation: When sunlight hits the solar panel's cells, direct current (DC) flows through the inverter, which converts it to alternating current (AC). The AC power then flows directly into the building (if there is demand), or into backup batteries if the system has them, or to the utility. When the power is flowing back to the utility grid, the electricity meter turns backward.
PV module Components
The Components: Photovoltaic cells are the core of the solar panel. They are made up of at least two layers of semiconductor material (usually pure silicon infused with boron and phosphorous). One layer has a positive charge, the other a negative charge. When sunlight strikes the solar panel, photons from the light are absorbed by the semiconductor atoms, which then release electrons. The electrons, freed from the negative layer of semiconductor, flow to the positive layer.....thereby producing an electrical current.Since the electric current flows in one direction (like a battery), the electricity generated is called direct current (DC). Many individual cells are wired together in a sealed weatherproof unit called a solar module or panel.
