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Non-PV Solar Power Empty Non-PV Solar Power

Post by Sonshine on Fri Oct 09, 2009 1:07 am

http://www.instructables.com/id/Non-PV-Solar-Power/

Hello, in this Instructable I will show you how to generate solar power using inexpensive solid state parts and without PV (photovoltaic) cells or panels. I wanted to make this project to see if I could beat the dollars per watt costs of commercially available solar panels.

You only need a few inexpensive parts to build one. It is pretty easy to build and very simple. As far as I know, my idea for the combination of thermoelectric coolers and Fresnel lenses is original... but it's probably not.

Sorry about the rubber bands and foam but remember this is an experiment on my part. Rubber bands are just the best thing for me! Likewise, I recommend you also build a prototype and if (when) it works you should go on to more fancy enclosures. Remember this is just a rough guideline and you can modify it however!

How it works:
This generation method uses a Peltier cell to generate electricity. Peltier cells are designed to be used as heat pumps. When you apply power to a Peltier cell, it begins pumping heat, and one side becomes cold and the other, hot. However, you can do the opposite and generate power from a temperature differential on the sides. To generate this differential, a Fresnel lense focuses light onto one side of the Peltier, and it becomes hot. The other side has a heatsink attached along with a fan that is powered by the Peltier.

Disclaimer:
Lenses concentrate light, which is absorbed by everything, and when light is absorbed, heat is created. You can easily burn yourself and other things with the lens. Don't leave this out uncovered because the sun moves and it might focus on something. I disclaim all responsibility for anything ever

click on link for the entire article.

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He who cultivates his land will have plenty of food,
but from idle pursuits a man has his fill of poverty
Proverbs 28:19[b]
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Non-PV Solar Power Empty Re: Non-PV Solar Power

Post by drnguyen on Sat Oct 09, 2010 8:43 pm


How it works:
This generation method uses a Peltier cell to generate electricity. Peltier cells are designed to be used as heat pumps. When you apply power to a Peltier cell, it begins pumping heat, and one side becomes cold and the other, hot. However, you can do the opposite and generate power from a temperature differential on the sides. To generate this differential, a Fresnel lense focuses light onto one side of the Peltier, and it becomes hot. The other side has a heatsink attached along with a fan that is powered by the Peltier.



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Non-PV Solar Power Empty Re: Non-PV Solar Power

Post by Sonshine on Sun Oct 10, 2010 12:25 am

Thanks for the info. We haven't tried this yet, but I'm going to get Joe to look at it and see if it's something we could do.

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Sonshine
He who cultivates his land will have plenty of food,
but from idle pursuits a man has his fill of poverty
Proverbs 28:19[b]
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