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Solar Electricity?
Solar
 
Solar Electricity?
Solar electricity is generated by using Photovoltaic (PV) technology converting solar energy into electricity from sunlight. Photovoltaic system use sunlight to power ordinary electrical equipment, for example, household appliances, computers and lighting. Photovoltaic (PV) process converts perpetual solar energy directly into solar power.

A PV cell consists of two or more thin layers of semi-conducting material, most commonly silicon. When silicon is exposed to light, electrical charges are generated and this can be conducted away by metal contacts as direct current (DC). Electrical output from a single cell is small, so multiple cells are connected together and encapsulated (usually behind glass) to form a module (sometimes referred to as a "panel"). PV module is the principal building block of a PV system and any number of modules can be connected together to give the desired electrical output.

PV equipment has no moving parts and as a result requires minimal maintenance. It generates solar electricity without producing emissions of greenhouse or any other gases, and its operation is virtually silent.

Components of a PV System

ADVANTAGES OF THE SOLAR ELECTRICITY

  • The technology utilizes perpetual solar energy for generation of electricity which is environment friendly.
  • Though the installation cost seems high, gestation period is less. Thus establishing technology as economically superior and efficient technology in comparison to the conventional power system.
  • The operating costs are low because solar electricity needs very little maintenance, very few spare parts, and no fuel.
  • There are no moving parts, so the system has a very long lifetime, and it is virtually maintenance-free.
  • The solar electricity system can be customized to exactly suit the load requirement and later expanded in modular fashion. The modularity allows you to invest exactly according to your current needs. There is simply no need to invest in a larger system at the beginning in case your demand grows in future.
  • The quality of the power supplied is excellent, and there are very few variations, if any.
  • In addition to its direct economic benefits, solar electricity has many indirect advantages. In most systems, power cuts are a nuisance and may cause immediate economic losses. If a solar electricity system has been correctly designed, no other system can match its reliability. Therefore, the indirect financial gains will also shorten the solar electricity system's payback time.
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