วันอังคารที่ 1 เมษายน พ.ศ. 2551

Solar Electricity Is Very Popular by Frank Vanderlugt

Solar electricity has attained great popularity over the years. It has worked towards saving a lot of energy and electricity. It is created via utilizing photovoltaic (PV) technology. It converts solar energy into solar electricity from sunlight. Photovoltaic systems utilize sunlight in order to power electrical equipments such as household appliances, lighting and computer. The best fact is that photovoltaic (PV) process utilizes free solar energy. This process converts solar energy into solar power. Here, we are not talking about the solar electricity thermal technology that's utilized for hot water production and space heating.
There are two or more thin layers of semi-conducting material in a PV cell. This is silicon. Once the silicon is exposed to light, electric charges are produced and this can be easily conducted away by metal contacts as direct current or DC. The output that comes from a single cell is very small. Hence, many cells together are connected together and then encapsulated in order to form a module. The PV module is the principle building block of a PV system. One can connect as many modules as desired in order to produce the desired electrical output. The PV equipment does not contain any moving parts and requires very little maintenance. It produces solar electricity without the need to produce green house emission or any other gases. The operation is silent.
PV technology is ideally suited to be utilized on buildings. They provide pollution free solar power. There is no noise during the operation and the process requires little space.
Photovoltaics are widely used on buildings in the United Kingdom. There are several ways; PV systems can be incorporated in to buildings. The best place to use PV systems is sloping rooftop. Here the modules can simply be mounted via using frames. One can also incorporate photovoltaic systems into the actual building fabric. For instance, PV roof tiles are widely available these days. These can be easily fitted into standard tiles.
Solar electricity can save your money. When it comes to the rural areas, the cost of obtaining electricity from the nearest power grid is much more than that of drawing electricity from solar panel power. The surprising factor is that the gap is increasing at a fast pace. Solar energy is also an excellent source of backup power when it comes to fighting blackout or emergencies.
The actual cost of solar panel power per kilowatt hour is about $0.55 per kwt as compared to $0.05 for wind or $0.06 for micro-hydroelectric. This is quite cheaper than paying Power Company.
In case, you want to install solar panel at your home, you need to make a good amount of up-front investment. The may sound costly but it really works. It works towards saving a lot of money and electricity on your part.
Solar electricity also ensures a clear environment. It decreases the pollution and also reduces the depletion of natural sources. You would benefit a lot by using solar electricity in your home.

About the Author
frank j vanderlugt owns and operates http://www.solar-power-2007.com Solar Power

Solar Battery Charger - Why Do You Need One by Joseph Then

Everyone has ran into a problem where they need to charge a battery but they have no ability to do so. Be that they are away from an electrical source or they simply cannot get to their charger. This can be frustrating. In comes the solar battery charger that allow you more independence when it comes to charging your batteries. You are no longer tied down to a power point and it will help you, especially those who are considered the "road warriors".
Almost everyone these days has a cell phone. It can be quite a nuisance when the battery goes dead and you can not get to your battery charger. The option of a solar battery charger allows you to be able to charge your phone no matter where you are. The same can be said for other batteries that need charged.
Solar battery chargers are great for when you are camping or on a road trip. Instead of being tied up to a traditional charger that limits you due to the cord, you can be free with a solar battery charger. This charger will simply work off the free energy from the sun. There are even some models that will charge using any light source, even a lamp.
Perhaps one of the best things about this battery charger is that it is free to operate. You are not paying a dime to use the solar energy. Many people do not even know that leaving a conventional battery charger plugged in, even if it is not charging a phone, can cost quite a bit over a years time in energy costs. That means you are throwing money away. Try out a solar battery charger and you can keep that extra money in your pocket where it belongs.
A solar battery charger can be used for more then cell phones, though. They have greatly improved technology that allows them to be used for almost anything a traditional battery charger can be used for. You are not limited. Give a solar battery charger a try and see what a difference it makes.
Solar battery chargers offer you a lot over traditional chargers. You are not tied down. You can enjoy whatever you are doing without having to be tied up to a charger. Do not be a slave to a battery charger. Take control and start using solar power to help you get a handle on your battery charging needs.

About the Author
Learn how you can save money and save the Earth by using the infinite source of energy: Solar Energy. You can find more information at Joseph's website at http://www.mysolarenergyathome.com as he expounds on Solar Battery Charger