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Photovoltaics And Their Part In The Future Of Renewable Energy
Author: karlo
Solar technologies are generally characterized by the way in which the solar radiation is captured. There is passive solar, which refers to the conversion of sunlight to useful energy without the assistance of any type mechanical devices (solarium). Active solar refers to the conversion of sunlight by means of some type electrical or mechanical equipment. Photovoltaic cells can be used in both passive and active solar capture.
The photovoltaic effect is best described as a material being subjected to electromagnetic radiation. Voltage is created with the charged material. Alexandre-Edmond Becquerel was the first to notice this effect in 1839.
The amount of energy that the sun provides in one year actually doubles the amount of non-renewable resources put together on the earth that are available. Depending on where a country is located, the levels of solar energy collection can be different. More solar energy can be collected the nearer to the equator one is located.
Orbiting satellites and spacecraft were the first uses of the photovoltaic. They are now used for many things, but most often for power. A module of photovoltaic cells or solar cell produces direct current which must be converted to alternating current.
Initially it was expensive to try and install a photovoltaic system, however, there are new governmental incentives in several different countries encouraging its use. Recent events have proven that now more than ever, it is time to change to renewable energy. Panels have become much less expensive to produce and install in recent years aside from incentives.
Photovoltaic cells were initially used as power for devices like personal calculators, and other types of personal gadgets, but there is now testing for solar roadways. In existence at present are solar parking meters, street lights, emergency phones, and power stations in parts of the world. As the need for renewable energy grows, photovoltaic use will increase in the number of items that are seen every day.
Article Source: http://www.articlesbase.com/technology-articles/photovoltaics-and-their-part-in-the-future-of-renewable-energy-2806259.html
About the Author
Photovoltaic cells are utilized to take the energy from the sun and converting them into electric power. If you want it to be done right, then you should get a PV installer to do it for you.
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You know that global warming is a myth, right?
Here are some clues:
1) Recent UN publications were written by politicians, not by scientists, and the scientists are resigning as a result of conflicts in the conclusions.
2) Some scientists who publicly oppose global warming are receiving death threats. This is a clear indication of political motivation, which of course undermines scientific credibility.
3) There is no such thing as a “consensus” among scientists on the issue. Many have published against the causes and against global warming itself.
4) Global warming has never been measured. It really can’t be. Our data is based on weather stations in industrialized nations over the last 75-100 years, and the data leaves out large areas of the world. We don’t know if we’re measuring a warming trend or a warming shift.
5) Global warming data is also based on weather station data taken around growing cities. Since cities are “heat islands” (they’re generally warmer than rural areas), when the measurements are taken over a period of decades, we don’t know if we’re measuring a warming trend or the heat of urban sprawl.
When they prove that Global warming can be linked to man then and only then will I believe it. I’m not against renewable energy, I just want to be able to afford other things while it’s being developed. Immigration reform is also okay, Illegal aliens and amnesty is not. You want health care for everyone, then YOU pay for it, I don’t want to support you.
[Answer: Canada had a bill passed in 2005 (I believe) that would subsidize any company or business that was willing to invest in alternative renewable energies (nuclear energy was later added to the bill) in order for Canada to push for meeting their Kyoto Protocol aims by 2020.]
wow, I like the way your mind short circuits.
Allmennaksjeselskap. Stock company. Since 1996, all publicly traded Norwegian companies are now incorporated in this legal structure, but not all ASA’s are publicly traded.
Dems taking oil profits for Renewable Energy? Theft? Socialist?
This goes against our Classified Energy Policy. Stealing and investing oil corporations money in their greatest enemy, renewable energy – is that socialism? I think this goes against everything Our President Bush stands for. Technological advances in renewable energy will only make it cost effective vs. oil and destroy oil companies and entire political power structures. Americans neither need nor deserve renewable energy, they should never be allowed to go off grid. Freedom isn’t free and off gird energy is too much freedom!
Where can I find a list of public American Corporations in the business of renewable energy?
I want to find out about companies leading the fight against global warming. I’ve found a few overseas companies (like Norway’s REC); but I want stocks of domestic companies. I’ve tried a couple screeners but it doesn’t seem like the “category” is even recognized yet. Any help will be appreciated.
What does the ”ASA” in ”REC ASA” stand for?
I know that REC stands for Renewable Energy Corporation ( a norwegian company), but what does the ”ASA” stand for?
Why aren’t there any subsidies to renewable energies?
If the government are willing to subsidize renewable energy then energy corporations will be motivated to implement them to combat climate change.
Why some americans are against global warming, renewable energy and immigration reform.?
Why some americans oppose to the same block of issues. I observed entire internet Macro Networks on the internet, chain of radio stations, some mayor tv corporations that opose systematically to Renewable Energy, Immigration Reform, Global Warming, Health Care for Everybody and the theory of ‘The Expanding Earth’.