How do solar photovoltaic (PV) panels work?

More and more people are using solar energy to save energy costs and to relieve the environment. But how does such a solar system actually work? The function of the photovoltaic system is basically the same, Best Solar Panel Company in Pakistan regardless of whether it is a small solar system on the family house or an industrial system. In principle, a grid-connected photovoltaic solar system works very simply: While light falls on the solar cells, they generate direct current from it. The individual solar cells are interconnected to form larger solar modules.

The higher the solar radiation, the more solar electricity is produced by the photovoltaic system.The finished product is then sawn into slices, contaminated in a targeted manner and provided with conductor tracks. These are needed to transport electricity.
If light falls on the silicon wafer, electrons are released. In order to be able to use these electrons, the top and bottom of each individual cell must be specifically contaminated with different foreign atoms. Boron (Br) and phosphorus (P) are often used here. Thanks to the targeted contamination of the cell, the electrons (negative charge carriers) collect on one side and the protons (positive charge carriers) on the other
However, Solar Panel in Pakistan the voltage of the solar cell behaves independently of the incidence of light or solar radiation. The voltage of a silicon cell is continuously at 0.6 volts. However, the strength of the current depends on the size of the cell. A common solar cell measuring 15 x 15 centimeters generates an average of around 5.5 amps of electricity. With full incidence of light, a single cell has an output of around 3.4 watts.

The monocrystalline solar cell

Monocrystalline silicon cells are made from a high-purity semiconductor material. Monocrystalline rods are drawn from the silicon melt and then sawn into 0.25 millimeter thin slices. This special manufacturing process guarantees a high level of efficiency. The efficiency of the monocrystalline solar cell reaches between 14 and 16 percent.

Solar module of a photovoltaic system

In order to design the solar module, the individual solar cells are interconnected and packaged weatherproof. As usual, the solar modules are protected from above with a pane of glass. A protective film is pulled over the solar modules from below. Small spaces remain between the solar cells, through which one can look. Solar Panel in LahoreThe individual solar modules are offered in different sizes. From a few watts to 300 watts of power.On average, the modules have an output of between 130 and 250 watts. All solar modules are manufactured according to current standards and are subject to constant monitoring. This guarantees the highest quality.
With a weight of 10 to 15 kilograms per square meter, a solar module is one of the lightweights. The size of the solar module can vary. However, sizes up to 3 square meters are not uncommon.
Solar roof tiles are now also available on the market. These are mounted on the roof like ordinary roof tiles.