Pv Panels The Past And Energy Now

PV cells have improved a great deal since they were first created

. They have become much more efficient, and much less expensive. More power is usually needed that a single photovoltaic cell can produce on its own. This is why photovoltaic cells are grouped together to form modules, or also known as solar panels. Continue reading to learn about PV panels energy for the future.

The term photovoltaic is a Greek word that means both light and electric. The term has been used in the English language since 1849. The photovoltaic effect was discovered in 1839, but the first cell was not actually built until 1883 by Charles Fritts. The first really efficient cell was developed by Chapin, Fuller, and Pearson in 1954.

Just as one cell can provide only a small amount of power, one panel is the same, in order to provide a large amount, panels are arranged in arrays. Arrays are actually multiples of panels joined together that make one large amount of electricity. They can provide enough electricity to be used in a home, or in an office building, or power plant. Most recently, solar panels have become affordable to the average consumer.

Cells require protection from the wind, rain, etc. They are normally placed between glass to protect them. These cells are connected inside the module in a series pattern. A series means that the circuitry is connected in such a way that the current will pass through all of it.

When a parallel connection is used, then higher currents can be expected. The modules in the array are connected by parallel, series or both until the DC voltage, and current required is met. The generated power is measured in watts or kilowatts.

To make the best use of the electricity, it is processed through a grid, through an inverter. In a stand-alone system, batteries are used to store extra energy not used. Many solar gadgets that are currently available operate this way.

There are financial incentives available for individuals and business owners alike in many different countries to change to forms of renewable energy. The financial incentives for solar energy are especially great. This is the perfect time for a conversion of your business or home, and you can make a difference in the world at the same time. There is renewable energy being wasted every day, more than we can ever use, while our natural resources are being rapidly drained.

by: Niel Roberts

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