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The PV panels or
solar modules are formed by photovoltaic cells that convert the
energy of the light in electricity. The light is formed by photons,
particles of luminous energy and when they collide with the the panel,
they cause the transfer of this energy to the electrons into the cells.
The current is formed as the electric field, obtaining the
voltage. Tension plus the current give us the potency, measured in
Watts.
 The solar
panel, mounted through several PV cells, as its quantity and characteristic
of the connections, acquires tensions and different currents. When being
put in the presence of the light, it starts to generate electricity. The
maximum potency is the Wp (Watt pick).
The solar panels are used today in
the electricity generation in many applications: in towers as aeronautical
beacons, telecommunications, in satellites and spaceships, in the lighting
of bridges and avenues, in
the electronic equipments, lights and GPS for navigation, camps,
automobiles, agriculture, farming, pumps, etc...
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PV
system is a renewable source, the sunshine is its power source. It's
ecologically correct because in its process doesn't generate any waste.
The
materials of manufacture are 100% recyclable, and don't damage the
environment.
The systems generators are high
reliability, they don't give maintenance, don't wear away,
and their life span are over 30 years.
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What is PV
Solar Panel ?
The PhotoVoltaic solar panel is formed by cells that
convert the energy of the light in electricity. The photons when collide
with the cells of the panel, they cause the transfer of this energy to
the electrons which constitute the atomic chain of the substances that
compose the PV cells, forming current (measure in Ampere). The electric
field creates the voltage (measure in Volts). With both we have the
potency (in Watts).
The electricity generated in panels is in DC = direct current or
"continuous"; Identical to the electricity originating from batteries.
Different from the power grid energy, distributed conventionally, where
the current is AC = "alternate" or "sinusoidal".
To use the solar
energy in conventional equipments "AC", you need to change its
characteristic from continuous current to "alternate" current . The
"Inverter" is used to reproduce the sinusoidal wave profile of the
AC electricity.
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Durability
The PV cells have a silicon basis. Constituted of semiconductors
materials, with crystalline characteristics and deposited on silicon.
The difference in
capacity of one cell to another is the technology in pv materials, the
metallic grating where they collect electrons and the transfer to the
external part. After the assembly of groups of cells, they receive a layer
of transparent material to encapsulate and protect of the weather. Another
anti-reflexive layer is used to retain the light. All this process will
generate electricity per years, because there are no mechanical effort or
movable parts.
Due to possible changes in the atomic structure, the degradation of the
electric generation can happen in small percentages after 30 years and
like this, gradually per decades indefinitely.
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Clean Energy
We can consider
PV solar system as "inexhaustible" and renewable energy: the source for
the generation is the sunshine, not remaining any residue and like this,
no harmful to the environment. It is a generator of electricity for time
indefinite and ecologically correct.
The
Advantages of the Use
The
advantages in the usage of solar panels are the life span, where you
have a power generator, an inexhaustible source, without cost. Besides,
producing no waste residue, and no- maintenance.
The solar system is modular, adaptable to your consumption. You can
begin with a small panel and increase or reduce according to your need,
being enough to interconnect or to disconnect parts of this system.
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As the generation
of energy only occurs at the day with the sunshine, if the application
need power for the night, you need to accumulate in batteries.
Charge control is installed for the batteries supervision, not allowing
over charge or over discharges and making other auxiliary functions to
maintain the security and durability of the batteries and the system.
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