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Friday, May 11, 2012

What are the Several Types of Solar Powered Electrical System?

Solar power is not limited to supplying electricity to homes. Depending on the kinds of solar power systems that can be used, it is moreover capable of powering commercial buildings as well as RVs. In some instances there is a choice to be made, but in some applications the choice is clear.

For RVs for example, a small stand-alone solar power system would be the best type to use. Small stand-alone system is moreover great for a remote vacation cabin or a portable power system. Due to its smaller number of solar panels as well as batteries, a small stand-alone systems are much affordable than a larger stand-alone system.

As with any other systems, batteries in stand-alone system are used to hold energy solar panels collect in daytime. An inverter is used to perform the function of turning the 12-volt DC power of the batteries into the 120-volt AC power of most house appliances.

Grid-tie solar power system on one hand is used by many people whose homes have already been connected to the utility grid as this will give them the best of both worlds - the savings of the solar power as well as the reliability of the utility’s power. They may moreover get to enjoy tax breaks or rebated as incentives for purchasing such systems.

A special inverter is used for the grid-tie system to change the DC current into the purest sine-wave AC electricity to be sure that it will mesh with the utility grid for the electricity to be used even on cloudy days as well as at night. These system don't hold up energy on batteries, though batteries are required to be sure that owners will still enjoy electricity if there is a power failure on the grid.

For individuals who aspire to be free of the utility grid, a complete stand-alone system is most preferable. This system is considered as the most environmentally-friendly among solar power systems since it doesn't use fossil fuels in contrast to any other.

The complete stand-alone system is much much complicated compared to the small stand-alone system. The complete system will contain much inverters, typically two, to be sure that there will be sufficient current to run large items like air conditioners. One more reason for the 2nd inverter will become clear when one needs maintenance. One can provide basic needs whilst the other one is down.

The complete stand-alone system will most likely be seen in locations where utility grid doesn't reach. This is simply because it is expensive, with its numerous solar panels. Many batteries are additionally needed to hold adequate energy for any contingency.

Another type of solar power system is called Hybrid system which include the use of solar power with a generator of some kind as back-up. The generator can be diesel, gasoline, or propane. Compared with complete stand-alone systems, hybrid systems uses fewer solar panels considering that the generator can begin working when the solar panels are unable to produce adequate electricity.

With the several kinds of solar power systems, it should be easy to find one that works perfect for any application. Its just a matter of assessing the needs as well as determining which system will do the trick. Furthermore, considering the budget is one thing that matters in choosing a system.

Michael Porterfield is a professional writer & blogger who focuses in solar panels, renewable energy and other modern sources of energy for a much better life style. Visit Solar Energy Facts, Alternative Energy Source


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