Guide To Solar Panels Cells
Solar panels cells are the smallest integral part of a solar-powered system. A number of interconnected cells form a module, and a number of interconnected modules form an array. The largest arrays of modules can be seen on the solar power stations (the so-called "solar farms"). The more cells there are in a system, the more efficient the system's power output is.
Solar cells are generally made of silicon, with one side of the cell saturated with phosphorous (positively charged) and the other side saturated with boron (negatively charged). These sides have a space between them, which forms an electric field. The photovoltaic effect is what allows the solar cells to convert the sunlight into electricity: the electromagnetic radiation causes the cell's surface to emit electrons, which are later converted into regular household electric by an inverter.
Photovoltaic systems can be used both, in the southern or northern regions, since the amount of heat does not play any role in solar energy generation. The system's efficiency only depends on the amount of the sun that is absorbed by the solar panels cells.
Currently, it is much more practical to purchase sets of individual solar panels cells, rather than a ready-made panel. The less work the manufacturer has to put into the production of parts and materials the cheaper they will be for the consumer. A DIY inclined person can easily connect the cells into panels, and even wire several panels together.
When deciding where to mount the panels, it is important to ensure that the potential mounting site receives the most amount of sun during the day and throughout the year. The units are generally mounted at a 20-50 degree angle. Solar panels are often installed on special polls, on rooftops, and on other elevated and open locations.
Solar panels cells can be used to provide a house with a stand-alone source of electric, to heat the water in a pool or in water heating systems. Furthermore, the cells can be used as portable devices to generate electricity during hiking or camping trips. Last but not least, solar cells are also implemented to power electric cars (mounted on the car's surface).
The larger the solar module, the harder it is to mount it. If you wish to be able to mount your units on your own, it is advised to create multiple smaller solar units, which you can easily transport and wire with one another on the site.
Since solar-powered systems are modular systems, they allow the freedom
to create the exact setup that you need, both, in regard to voltage
and current. If you need to increase the voltage of your system, you
will need to connect the cells in series. If you wish to increase the
current, you will need to wire the panels in parallel. If you need to
achieve a particular value of voltage and current, you can also connect
the units in a combination of series/parallel circuits. You can start
with a smaller system and expand it later by wiring more solar panels
cells together, which will increase the production of energy.
Want to know the secrets of building your own solar system?
Then I strongly recommend that you check out the guide from Earth4Energy.
It's the best step-by-step guide that will show you exactly how to build and install your own solar panel system. Click here to learn more
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