Many persons concerned about the dwindling of fossil fuels in generating electricity, as well as the adverse effects of the burning of fossil fuels with respect to the environment, are pleased to know a great deal of research and technological development is going towards solar energy. The following article reviews the solar energy pros and cons and provides some scientific as well as general information about the renewable energy source.
It may be further conveyed that solar energy as far as a viable natural energy source continues to increase with regard to public awareness and interest. In example, nowadays solar power is expansively utilized within the United States. Considering the life expectancy of the sun is well over four billion years we can reasonably make the assumption this is one energy source that will not be running out any time soon.
When you employ the use of solar energy the main components with regard to the solar power system are known as photovoltaic cells. These are solar cells
which are housed within solar panels. From a scientific standpoint the sun's energy can reach a particular section of the orbiting Earth with an estimation of energy somewhere within the area of 1400 watts per square meter.
The cells from the solar panel will trap approximately twenty to fifty-five watts per square meter of this energy. This means if the outside area of your home is covered with more panels the energy production will in effect be increased. Also the energy as illustrated above is more substantial than what is likely available by means of fossil fuels and other possible sources of energy. This is based on an assumption that efficiency of the photovoltaic cells within the solar panel is eight percent.
Solar energy is converted by two different means. One way is by means of direct energy. The way the direct solar conversion works is as follows:
1) The sun shines on the photovoltaic cell and when this happens the sun's light is converted to electricity.
2) Secondly, the sun also shines on the absorptive area of what is known as a thermal collector. The collector provides the residence with thermal (electric) energy used in heating the home during the fall and winter months.
The second solar energy electrical generation method is inclusive of several conversions before electricity can be used within the household. This is due to the fact the electricity is not in a form wherein it is usable initially. This energy is originally generated in the form of direct current and a converter is used in order to turn direct electric current into alternating current. In case you are not aware of it, AC or alternating current is the electricity distributed through the wiring of your home.
Another way to use solar energy is in the manufacture of bio-fuels. In order to better describe; plant-life uses the process of photosynthesis in order to turn solar energy into chemical energy. The chemical component of this process can be used later as fuel for electricity generation. The entire process with respect to using solar power to produce a bio fuel in order to generate electricity is referred to as bio-fuel technology.
Solar energy also plays a significant role with respect to hydro-electric energy and wind energy. This merely infers wind turbines respective of the natural source of the wind and dams respective of using hydro-electric energy produce the effect of electrical generation with the aid of the sun.
When you look at the benefits of solar energy they are many in number. Solar energy electrical generation is free of any types of pollutants. The facilities providing solar-power are relatively easy to operate and non-costly to maintain. The source of solar energy is naturally abundant.
Certainly with every bright side there is a downside. The disadvantages of using solar energy follow: Areas where there is little sun will not be ideal for solar power electrical generation at this point in time. Also absorption of the energy can only be accomplished during daytime hours. This means enough energy will need to be stored in order to accommodate requirements during nighttime. As previously alluded solar cells will thus provide direct current requiring conversion to alternating current that is used within households.
Conclusively, with the downside so minimal it is safe to say solar energy is bound to become a viable future source of alternative energy. Solar power will become more and more recognized as a source of electricity generation as fossil fuel supplies dwindle and consumer and environmental demand grows with respect to cleaner, more cost-effective solutions for energy.
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