Electric Current Is The Flow Of Electrons True Or False Solar Power Home Electricity: A System on the Frontier of Renewable Energy

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Solar Power Home Electricity: A System on the Frontier of Renewable Energy

It cannot be denied that over the past 110 years, electricity has been the key in providing resources for the comprehensive development and progress that mankind has achieved. We are now looking for systems that push renewable energy forward. Home-produced solar energy is one energy source system.

Look all around us and you will see that there are new technologies and inventions that are being developed depending on electricity. In addition, as the expansion of the world economy increases, so do the enormous needs for electricity. This huge demand is met by hydroelectric generators, nuclear plants, solar farms, wind systems and other conventional methods of electricity generation.

Previous methods of generating electricity from fossil fuels such as coal and oil have given us the basic means of generating electricity using steam turbine generators in utility power facilities. However, it has been confirmed that these techniques are dangerous for living ecosystems on earth, and mathematically it has been shown that they are a limited source of energy. In other words, fossil fuels for electricity production are not renewable.

You have to agree that in our world today we cannot live without electricity. Our demand for electricity is growing almost daily and we require new research that will lead us to create and expand safer and cleaner sources of energy. As mentioned earlier, electricity produced from solar energy is one valuable energy source system.

Basically, two methods of using solar electric systems are used today to harness solar energy, they are indirect and direct.

Direct methods

  • use photovoltaic cells, called solar cells.
  • made of thin slices of crystalline gallium arsenide, silicon, or other semiconductor materials that converts solar radiation into a flow of electrons or electricity.
  • solar cells are connected in large numbers in transparent anodized aluminum alloy and glass flat panels.
  • modern advances in solar photovoltaic cell panels have reduced the cost of electricity to 20 – 30 cents per kilowatt-hour.
  • Solar technology has been used since the beginning of space exploration to power satellites orbiting the Earth and traveling into deep space.
  • solar electric systems provide long-term and sustainable energy sources because there are no moving mechanical parts.
  • solar cells have a relatively low efficiency rating.
  • solar panels depend on the time of day, weather conditions and often seasonal changes.
  • solar electric systems must have a converter to convert direct current to alternating current in order to be consumed in commercial businesses and homes.

Indirect methods

  • concentrates solar radiation into a focus so that the energy is heated to boiling liquid (often water) which in turn drives turbines to spin in a magnetic field to produce electricity
  • the use of a parabolic trough consisting of a linear parabolic reflector to concentrate solar energy into a receptor placed on the focal line from the receiver; then, tubes connected to the turbine filled with a liquid that absorbs the heat generated by the application of solar energy
  • this type of solar systems for the production of electricity has a higher efficiency because solar radiation is used precisely.
  • other developed technologies extend the indirect assessment of power generation efficiency by using solar power towers along with sun-reflecting plates

Through experience, we have realized that although fossil fuels are useful for energy production, they are used with long-term negative consequences.

These realizations about negative outcomes have moved us towards a trend towards renewable, non-polluting sustainable energy that helps guarantee the continuation of life on Earth.

Plant life has been using solar energy since time immemorial, so why can’t we as intelligent human beings use that solar energy without negative consequences.

According to many popular opinions, big energy companies seem to be holding back progress, while also digging up the earth and polluting the oceans. It is up to all earthlings to start looking to the heavens.

Solar energy and wind generated electricity systems provide methods to achieve the goal of sustainable living.

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