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Thursday, April 15, 2010

How To Operate Your Solar Power System The Right Way

For a solar power system to work well, we need the site survey to answer two questions:
  • Is there anywhere on the site that is suitable for positioning my solar array?
  • Do nearby obstacles such as trees and buildings shade out too much sunlight?
The first question might at first sound daft, but depending on your project it can make the difference between a solar power system being system being viable or not.

By answering the second question, you can identify how much of the available sunlight you will be able to capture. It is vitally important that this question is answered, as the number one reason for home solar power systems failing to reach expectations is due to obstacles blocking the sun, dramatically reducing the efficiency of the system.

To fully answer the second question, we need t be able to plot the position of the sun through the sky at different times of the year. During the winter, the sun is much lower in the sky than it is during the summer months, and it is important to ensure that direct sunlight is not blocked from the solar array during the winter time.

Are you ready to learn how to build a solar panel? Get started now and generate electricity for your home today!

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Saturday, April 10, 2010

Solar Electricity and The Environment

Solar power systems are low carbon electricity generators: the sunlight is free and the system maintenance is extremely low.

There is a carbon footprint associated with the manufacture of solar panels, and in the past this footprint has been quite high – mainly due to the relatively small volumes of panels being manufactured and chemicals required for the ‘doping’ of the silicon in the panels.

Thanks to improved manufacturing techniques and the higher volumes of panels now being produced, the carbon footprint of solar panels is now significantly reduced. Most manufacturers claim the carbon footprint of new solar panels can be recouped through the power generation from the panels within 2-5 years.

Therefore, it is true to say that solar power system that runs as a complete stand alone system can reduce our carbon footprint.

Grid tied solar systems are slightly different in their environmental benefit and their environmental payback varies quite dramatically from region to region, depending on a number of factors:
  • How electricity is generated by the utilities in your area (coal, gas,
  • Whether or not your electricity generation coincides with the peak electricity demand in your area (such as air conditioning usage in hot climates, or high electrical usage by heavy industry in your area)
It is therefore much more difficult to put an accurate environmental perspective, you should try to achieve the following:

Use the power you generate yourself as it is being generated – especially for high load applications such as clothes washing
  • Minimise your power consumption from the national utility grid during peak times (typically during the evening in cooler climates and during the early to mid afternoon in hotter climates).
In Conclusion
  • Solar electricity can be a great source of power where your power requirements are modest, there is no other source of electricity easily available and you have a good amount of sunshine available.
  • Solar electricity is not the same as solar heating.
  • Solar electricity absorbs photons from sunlight to generate electricity. Electricity can still be generated on cloudy days and on bright moonlit nights.
  • Solar electricity is unlikely to generate enough electricity to power the average family home, unless major economies in the household power requirements are made first.
  • Larger solar electric systems have a comparatively high capital cost, but the ongoing maintenance costs are very low.
  • Smaller solar electric system can actually be extremely cost effective to buy and install, even when compared to mains electricity.
  • Solar electricity can be much cheaper than connecting a remote building to mains electricity.
Learn how to build your very own home solar power systems at the comfort of home today!

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Thursday, April 1, 2010

Learn How To Make a Solar Panel

You can generate your own solar power easily by building your own home solar power systems. When you have the right information to guide you it is quite simple to build this solar energy technology on your own. With a few materials from your local hardware or building-supply store you can construct one.

Take this small solar power system for instance that you can build for around 250 to 300 dollars. This one will only power a computer or other small appliance but will come in handy in a power outage. Below are the instructions on how to make a solar panel.

You can either make or buy a small-sized solar panel. There are ones you can get rated to around 12 to 16 volts available at local stores. These only cost about $100.

Get a 12-volt deep cell battery for around 50 to 60 dollars if you shop wisely. These are great for using continually. It is also good to have a battery box to place the batteries into for the safety factors. The box will cost you around 10 dollars.

Other materials needed for this project include:

* A DC meter rated for 12 volts. This can be found for around 25 dollars.

* A DC input to help run DC appliances. These can be found at auto supply stores. The cost of these is around 10 dollars.

* An inverter is needed to run any AC appliances. These can be bought for around 50 dollars.

Assembly is easy just attach the DC input and the meter to the battery box. The meter needs to be hooked up to the battery. Once the first wire is attached to the negative pole then attach the other one to the positive without touching the wires together. Then you also have to attach the input to the battery. This is when the battery is then connected to the solar panel.

Now the panel just needs the sunlight to start working. It will take up to 8 hours to fully charge the battery. This is a fun project to do with children even to show them how solar power works. The kids can learn a lot about this through doing projects like this one at home.

This home solar power system is great for when the power goes out to run one important appliance. You will have to choose which thing is the most important to you. Many people would choose either a small TV or a radio to entertain them and them up to date on the news.

Now that you can see how easy it is to build a solar panel go out and make one of your own today. Just make sure you have good instructions to go by that include proper safety precautions before you start. It's also helpful to have organize all the right materials before you start too. When you've finished can provide your own emergency power for free!

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