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Author Topic: Solar Energy  (Read 4064 times)

***ArxOn***

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Solar Energy
« on: February 06, 2003, 09:53:02 AM »

I came with this idea of building "something" that could collect the sun rays and turn them into electrical power :tool: . I know that such devices exist but they are quite expensive. Is there any low cost way of building such device so i can power up my pc's with solar energy? If so, what will i be needing except the panels for collecting the sun rays, and where can i get those panels for cheap?
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Ringworm

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« Reply #1 on: February 06, 2003, 09:55:58 AM »

definately need some sort of storage battery, so you can run your pc when it's dark or really cloudy or during a total eclipse.

and i'm not sure how you'd go about converting the pc to run off DC current.
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***ArxOn***

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Solar Energy
« Reply #2 on: February 06, 2003, 10:08:42 AM »

yeah that would b a real problem. I'm thinking of going ask a professional electrician or someone who's related into this but i'm not so sure about the answers they might give me concerning the specs of the computer.
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Noodleman

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Solar Energy
« Reply #3 on: February 06, 2003, 10:17:41 AM »

i have seen this done...

Not with solar energy, but with a small windmill at the end of a big pole in a garden :)

It is possible, and I cant quite remember how it was all wired, it was a few years back.

They used 2 truck batterys as the energy store. The windmill would create the electricity, and send it into the batterys.

you can then run off the batterys.

errr, I did read a couple months back a guide on how to make a DIY UPS from a car battery. I will see if I can find the article. They used a normal car battery charger to charge the battery, im sure you can just rig it up to charge from the solar panels. and voilla. Sorted.

You will get about 3 hours use from the batterys (with nothing charging them)

I think the home made ups came to about $60-80 cant quite remember. Will go hunting now.

Noodle.
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Silic0n

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« Reply #4 on: February 06, 2003, 10:22:01 AM »

You can get an inverter, like people use to power their PS2's off of their car batteries. Then you get AC power for your PSU to turn back into DC.
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Noodleman

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Solar Energy
« Reply #5 on: February 06, 2003, 10:27:54 AM »

ive had a look and that article has been removed from the web-site it was hosted on :/

Had a flick around using google, but couldnt find it.
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SteveyG

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« Reply #6 on: February 06, 2003, 12:25:40 PM »

Quote from: Silic0n
You can get an inverter, like people use to power their PS2's off of their car batteries. Then you get AC power for your PSU to turn back into DC.


That's a very wasteful way of doing it. You'll lose about 20% or more from inefficiency of the inverter...
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***ArxOn***

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Solar Energy
« Reply #7 on: February 06, 2003, 12:55:50 PM »

Does anyone has any more suggestions on how this project can be done?


thanx :)
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star882

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Solar Energy
« Reply #8 on: February 06, 2003, 10:10:59 PM »

"errr, I did read a couple months back a guide on how to make a DIY UPS from a car battery. I will see if I can find the article."
http://dansdata.com/diyups.htm
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Fanny J. Crosby

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« Reply #9 on: February 06, 2003, 10:16:40 PM »

Actually, solar energy is only expensive to begin with. You get a substantial tax write-off. I know a couple people who bought only a square meter of solar panels. They take the tax return from them and then use it to buy more. They usually power thier hot-water-heater with it. Eventually, one guy I know has enough solar power that sometimes his electric meter will spin backwards and he gets a chack from the electric company instead of a bill, for all the energy he is putting back into the power grid. Not to mention for every panel he has, he gets more and more when taxes come around.

It is like most businesses. Expensive to get into, but then they have a good payoff.
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