Experts say that at any given time, the earth is receiving up to 10,000 times more solar energy than is needed for human consumption. This, in addition to showing the potential of this resource, responds to the amount of solar energy that can be used. What is generally known to: generate electricity or for other uses, such as heating. But what about the how? Sometimes this is an issue that is overlooked. Therefore, we tell you what is the mechanism that allows the shining sun to end up powering a laptop or any other device in a house.
Photovoltaic solar energy: fundamental aspects.
Only available when the sun is shining (as far as generation is concerned), photovoltaic solar energy is what allows it to be captured from sunlight to convert it into electricity with which to meet the needs of any home or commercial area. .
If all this is possible, it is thanks to what is called photovoltaic effect, crucial for the production of electricity from the sun. Several components come into play here. The first, the particles that make up sunlight (photons) and their impact on solar panels, with which the electrons are released.
This is where the most essential components of photovoltaic panels come into play, especially the conductors they incorporate, which in most cases are made of silicon. Usually composed of a positive and a negative, these create an electric field through which electrons flow when activated, so that current is produced.
Photovoltaic solar panels.
Obviously, panels are essential within this mechanism. The process described above is carried out, in particular, in small portions of the panel, which is divided into a multitude of solar cells made of silicon, generally, or other materials which also allow the use of energy, in addition to promote a reduction in costs.
Thus, the panels on which the light strikes are formed of a multitude of small cells which give rise to modules and, these, to a panel itself. Although this is taken for granted, it should be noted: the more panels there are, the more electricity is produced. Now, correctly calculating the number of panels is one of the keys to any installation because sin will excessively increase the costs of it without there being this need. If, on the other hand, we sin by default, the captured energy will not be enough to meet the needs.
Another key step: energy conversion.
Although the way in which electricity is produced has already been explained, there is still a very important aspect to be clarified. That produced by photovoltaic panels, in direct current, must switch to alternating current to power the various equipment and devices of the House.
And this, how does one achieve it? With an element which, along with the panels, is essential for any solar energy installation: the inverter. His role in all of this is so important that many call this part of the team the “brain of the system”.
Thus, the inverter converts direct current to alternating current, suitable for use in homes, businesses or anywhere a solar kit is installed. This technology will also direct energy to the power grid or to storage batteries (important, as sunlight is not available 24 hours a day), among other possible functions.
The sun is the most dynamic source of energy in the world. In addition, the trend can only continue to develop. Therefore, entering this world and understanding it as much as possible is and will be decisive for anyone who wants to meet their solar energy needs and, thus, get out of the list of those who continue to draw electricity produced from sources. fossils, with the consequent impact on the planet.
Course: Introduction to photovoltaic solar energy.
If you want to continue to learn more about this topic, I recommend this free online course in solar photovoltaic energy to expand your knowledge on this topic.
In renewable energies, photovoltaic solar energy is today a clean, decentralized, modular and reliable technology for producing electricity on a small and large scale.