Electronics For You

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With an increasing global demand for energy and environmen­tal awareness, the telecommun­ication industry is moving towards the adoption and use of renewable energy sources like solar and wind energy

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lion tonnes, and the cost of consumed diesel every year is approximat­ely Rs 70 billion.

The idea behind the solar energy programme holds extreme importance in the case of all processes that run continuous­ly. Even a slight reduction in resource usage or improvemen­t in HIfiFiHnFy in FRnWinuRuV SURFHVVHV makes a huge difference in the long term. Any change in the power generation method, say, replacing diesel generators of telecom sites with solar panels, would make tremendous impact in terms of resource savings and reduction in carbon emissions entering the atmosphere. Therefore solar energy resources such as solar photovolta­ic panels are being considered to power telecom sites.

Solar radiation and solar panels

Solar radiation is the electromag­netic radiation emitted by the Sun. The amount of solar radiation that reaches different parts of the earth depends on several factors such as geographic location, time, season, local landscape and local weather. The total amount of solar energy received by the earth’s surface, usually expressed as W/m2, is known as global solar radiation and measured by a sunshine recorder, pyranomete­r or pyroheliom­eter. Global solar radiation is the sum of direct, GiIIuVHG DnG UHflHFWHG VRlDU UDGiDWiRn.

India is endowed with a rich solar energy resource as it is located in the equatorial sun belt of the earth. Theoretica­lly, India receives solar power of about 5000 trillion kWh/year with about 300 clear sunshine days in a year. In India, the average solar inci-

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Wind and solar energy sources

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