How Does Solar Power Work

How does solar power work- This is one of the most common questions on the internet these days

. If you are seeking answer to this particular question, then you are at the right place. First and foremost, you must know that the sun is probably the biggest power plant and provides sufficient energy to fulfill the needs of the world. It doesnt cause carbon dioxide emissions and is a never ending source of energy.

Over the years, people have tried to harness this source of energy to generate electricity and power. How does solar power work? The conventional models of solar technology utilize large silicon crystals, which generate electric current when they come into contact with light. The electrons in the silicon particles loosen up and start moving they come into contact with light in order to generate heat. However, there have been recent introductions in the field.

The newer materials that are often used these days include cheaper and smaller crystals such as copper-indium-gallium-selenide which can be turned into slender flexible films. The thin film silicon is however not ideal for converting light into electricity. Solar power is nothing but the conversion of sunlight into electricity. Sunlight can be turned into electricity by the use of photovoltaics or PV. Photovoltaics have been used to generate power for small and medium-sized applications. You can come across such devices in your day to day life, for example a calculator that uses a single solar cell to a photovoltaic array that is used to power off grid homes.

The initial development of solar technologies began in the 1860s, propelled by the fact that renewable sources of energy such as coal would not last forever. But given the easy availability of coal and petroleum reserves in the earlier part of the 20th century, the utilization of solar power took a backseat.

The power efficiency of a conventional crystalline silicon cell is 22-23%. The ones that you can put on the roof of your house provided an efficiency of around 15-18%. The ones that are used to power satellites have the maximum efficiency, of around 50%.

How does solar power work? Solar cells that form a part of solar panels generate nonstop current, which fluctuates depending on the intensity of sunlight. The energy thus generated is converted to the desired voltage using inverters. A large number of solar cells are interlinked using modules. The modules in turn are connected to together to form arrays.

Solar power is used for both residential and commercial purposes. Residential systems are connected to the grid. In case of large applications such as lighthouses, satellites or other commercial ventures, additional power generators are kept as backups for the system. Such standalone systems ensure uninterrupted power supply.

by: Schew Maker

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