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solar power kits
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solar power kit |
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Ahh, summer is here, the time of year for barbeques, fireworks, and weekend camping trips. While everyone notices the heat during the summer, what you may not think enough about is the source of all that heat, the sun, or more specifically solar power. That increased heat during the summer is because of higher concentrations of sunlight reaching the earth¡¯s surface during that period. That increased radiation means that solar panels have more energy to draw from during the summer than the winter.
On one level, that¡¯s a no brainer, the days are longer during the summer than the winter, so there are more hours of sunlight to work with. But there¡¯s more to it than that. Sunlight actually has a shorter path to travel in order to reach the earth¡¯s surface during the summer. This means that each hour of summer sun has more energy in it than an hour of winter sun! That makes summer the perfect time to install a solar array for your home.
Solar panels work off of photovoltaic principles inherent in most semiconductors. In photovoltaic energy transfer, sunlight strikes the surface of a crystallized semiconductor. The one used in commercially sold panels is silicon. When the light strikes the crystal, it causes the crystal to emit an electric current. The crystals are backed by wiring to channel the current, and a series of panels can be set up as an array to further boost the amount of current they produce.
There are several varieties of panels available on the market. The most common is a third generation silicon crystal panel. These panels are efficient enough to pay for their purchase price in 5-7 years of power production. This means you are essentially getting three to eight years of free power in the engineered lifetime of a solar panel. A newly emerging technology is the thin film solar array. This new technology allows solar panels to be made utilizing much less material than is needed for traditional methods. While they are less efficient currently than the more established crystal arrays, they also |
| Company: |
Forever Sunshine International Ltd.
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| Contact: |
Mr. Bruce Wu |
| Address: |
2000 Donglu Rd, Building 30 Suite#701, Pudong, Shanghai, China |
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| Tel: |
86 21 50430266 |
| Fax: |
86 21 50430265 |
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