Photovoltaic Panels: An Introduction

All set for the Solar Revolution? Well, its time to gear up and start getting involved in Photovoltaic or Solar energy

. Harnessing the power of the sun is not simply using it for sundials or drying clothes. This energy can literally power homes and maybe in the future, power most if not all electrical gadgets and apparatuses. How this kind of energy can be available can be taught in photovoltaic training classes for enthusiasts who wish to give it a try. Solar energy professionals can assist with the installation of the system but it pays to know how it works in principle.

The front-liners of the Photovoltaic system is called the Photovoltaic panel, commonly known as the Solar panel. Each panel is then comprised of solar cells that harness the suns energy and is converted to a usable alternating current or AC later on by what is called a photovoltaic inverter. But dont things just get hot when left under the sun? Yes but with the proper photovoltaic training, the concept of how energy is captured can be understood. On the scientific view, some basic chemistry review is needed. The basic component of the cell is made from pure silicon, making it a neutral platform. If two silicon plates were pressed together, there would be no electricity generated because of the absence of positive and negative charges.

Trace amounts of special impurities are then added to the silicon in a process called doping to provide these charges. Boron is one element that is combined to make a positive charged material called P-type and Phosphorus is combined to make the negative charged N-type material. When each silicon material is doped with the right amount of these elements and placed together, a junction is formed and establishes an electric field. By attaching metal conductors to charged sides and wires between them, the cell is formally formed. Photovoltaic panels have the negative charged N-type plate facing the sun. All that is needed is the sun. Solar training will clarify that the sun irradiates several types of energy but what the cells need is the photon.

Photons act as hammers by knocking electrons from the N-type and drawn to the positive charged P-type. When these electrons move back and forth and through the conductors, an electrical current is therefore formed. The more photons that are introduced will cause more electrons to bounce. However the power generated by a single cell is very low and will not be able to supply enough electricity for household utilities. The principle of strength in numbers is very applicable to photovoltaic energy. Each cell is coupled with several to make a solar module. These modules are then joined with other modules to form an array. Photovoltaic training states that the larger area of the array, the more energy will be produced.

Photovoltaic panels are just one of the many components needed in the whole solar power system. In order to know what the essentials are, solar training classes and seminars are available for enthusiasts and serious environmentalists who wish to adapt a healthier way to generate electricity. Having this kind of renewable energy to power homes is cheap to begin with. It is a huge financial investment that needs homes to be properly inspected and fitted with the equipment. Going solar you need proper education through solar training groups because simply attaching the cells on the roof will not automatically guarantee 100% fully operational power. If the angles of the cells are off even by a fraction, power loss can reach up to 50%.

Going solar is becoming part of the solution in keeping the world clean. It provides 100% sustainability with the right photovoltaic training and equipment and can even give power back to assist national power companies. But one must remember that gearing up for this revolution is not a matter of shelling out a lot of money, but making the commitment to a better lifestyle.

by: Grant

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