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Effectively Harnessing Alternative Sources Of Energy

746 words - 3 pages

How can alternative sources of energy harnessed effectively ?

Through out of history we always had a need for energy up to now we use non renewable such as fossil fuels
however these will soon ran out and we have to look for different sources of energy. Energy was and remains main component of human life. People have gone from first fire to nuclear power plants and still scientists look for new types of renewable energy. In today's world , with increasing rates of consumption and as a consequence - the limited energy resources, the rapid development of technology is gaining momentum production of energy from alternative renewable sources. There is «traditional» types of alternative ...view middle of the document...

Instead of converting electrical energy into mechanical energy , wind energy is converted electric current.

In solar energy two main advantages. First, a lot of it and it is a renewable energy resources : the duration of the existence of the Sun is estimated at about 5 billion years. Secondly, its use does not entail adverse environmental effects. However, the use of solar energy prevents a number of difficulties . Although the total amount of this energy is huge , it dissipates uncontrollably . To get a large amount of energy required collecting large areas . In addition, there is a problem of instability energy : the sun does not always shine. Even in the desert , where the predominant cloudless weather , the day gives way to night . Consequently , required drive solar energy. Finally, many of the uses of solar energy do not yet tested , and their economic viability is not proven. You can specify three main areas of solar energy : heating (including hot water ) and air-conditioning , direct conversion to electricity by solar photovoltaic cells for large-scale production of electricity from the heat cycle .

Hydropower provides nearly a third of the electricity used in the world. Norway, where the per capita electricity more than anywhere...

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