Solar Electricity System: The Future of Clean Renewable Energy

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Over the last century almost everything that we use has been powered by electricity. From inventions to technologies, greatest developments, infrastructure, and even communication were all made achievable by means of electricity. The demand for electricity has increased exponentially with the increase in the world’s economy. We can no longer live without electricity as it is not only a necessary commodity but also ultimately a source of income. Ever since the harnessing of fossil fuels were made known to be potentially harmful to both the environment and of the health of people, extensive research have been conducted that contributed to the development of energy sources that are more environment-friendly. One of these alternative energy sources is solar power.

Solar electricity systems harness the energy of the sun through direct and indirect methods. The use of photovoltaics also known as solar cells is a direct method of collecting energy from the sun. These solar cells convert solar radiation into actual electricity. This engineering has long been used by satellites that orbit the earth. Solar electricity systems can supply energy resource for long term use because they do not need mechanical parts to function. This is a particular advantage/ solar electricity system has over power plants. Nonetheless, these cells are comparatively low in efficiency and are also dependent on seasonal changes and the time of day. Solar electricity systems cannot be used for business and home use without the conversion of DC voltage into AC compatible supply.

One indirect method of collecting energy of the sun concentrates solar radiation to focus the energy to heat or boil water, to give power to wind turbines, and ultimately generate electricity. A parabolic trough consists of a linear parabolic reflector that concentrates solar energy into a receiving system placed on the focal line of the receiver. A tubing attached to the turbine is filled with liquid to absorb the heat produced by the concentration of solar energy. This kind of solar electricity system has higher efficiencies simply because the sun’s heat is directly used.

Awareness of the negative effects of fossil fuels have never been so high. This is a good indication that people are now more concerned with the environment and are more open-eyed when new developments in technology are introduced. Keeping the pursuit for a ‘greener’ environment is a good sign that we are on our way to finally utilizing the resources that have been made available to us from the very beginning but was kept from the limelight so big corporations and power companies can get ahead. Solar electricity systems is definitely a start to having clean renewable energy to use for a centuries to come.