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Anonymous Poster

Solar Cell

12/06/2008 1:34 AM

Is it possible that solar cell can produce Alternating Current.

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Guru
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#1

Re: Solar Cell

12/06/2008 6:02 AM

Only if you can find an Alternating Sun .

BUT the DC can be changed to AC using an inverter.

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Anonymous Poster
#18
In reply to #1

Re: Solar Cell

04/08/2010 2:20 PM

hi sir how are you? sir can you tell me please that how to make a solar cells at home by just freely cost sir please please help me thanks

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Anonymous Poster
#19
In reply to #1

Re: Solar Cell

04/08/2010 2:23 PM

my email is nabeel.tts@gmail.com

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Guru

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#2

Re: Solar Cell

12/06/2008 8:13 AM

Sparky,

What about twin stars spinning verrry, verrry fast?

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#3
In reply to #2

Re: Solar Cell

12/06/2008 8:30 AM

Easier to spin the solar cell, with sliprings for output. Then again, you could keep the cell fixed, and interrupt the insolation with a spinning slotted disk.

Neither of these would be very efficient.

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Guru

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#11
In reply to #3

Re: Solar Cell

12/07/2008 11:55 PM

Hello John:
I somehow missed your answer before I posted, if you hadn't marked this off-topic I would have to give you a good answer, seems your answer is right in line with the way they are getting alternating current out of solar cells.

To save off-topic post , TPV45 should know better, both stars would still be putting out light, a much simpler solution would be to orbit a solar cell very rapidly around the sun, going from the light side of the Sun to the dark side .

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Anonymous Poster
#14
In reply to #2

Re: Solar Cell

12/08/2008 9:04 PM

I once read (many years ago in a university Astronomy class) of some pulsars rotating and thereby pulsing at an extremely high rate (high frequency of pulsation). As I was told that the pulsation was caused by the stars rotating around each other, I find this extremely odd, since the starts themselves ust be of huge dimensions to begin with. I surmised (probably wrongly) that they must be traveling around each other at speeds > c. Is that indeed possible, or what am I missing here?

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#4

Re: Solar Cell

12/07/2008 2:12 AM

Think outside the box, people often confuse that not already done as impssible to do.

If the Orvil brothers had such a mind set jet travel would never had ocurred.

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#6
In reply to #4

Re: Solar Cell

12/07/2008 4:56 AM

Wright Brothers? Wilbur and Orville.

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#7
In reply to #6

Re: Solar Cell

12/07/2008 5:44 AM

Thats them. Thank you for spelling correction.

Cheers

Peter

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#5

Re: Solar Cell

12/07/2008 3:17 AM

Yes it should be possible by using invertor. but we donot get pure alternate current from invertor it should be a square wave or wave like AC current but not pure AC current

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Guru
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#8
In reply to #5

Re: Solar Cell

12/07/2008 9:06 AM

The Question is: Whether can we get directly A.C Power from Solar Cell.?

Yes. The answer is YES. We can get Direct A.C. supply from the Solar Cell.

About 20 years back I read in "The Hindu" News Paper in south that Technology is developed to get A.C.Power from the Solar cell directly without an Inverter. It was demonstrated in a very remote hilly place, a TV set was energised with A.C Power system with solar panel (with out inverter) inaugurated for the villagers. A photo graph was published along with the write-up. Perhaps if we approach the publishers for a copy from their archives it is possible to read the same. They maintain an archive. Please communicate to me and I willtry to get a copy from their archives.

Dhayanandhan

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#9

Re: Solar Cell

12/07/2008 10:14 AM

The number eight post sent me on a google quest this morning. I guess it is possible.

"An AC solar cell is provided by a pair of PN junction type solar cells connected in antiparallel between a pair of main terminals, and means for directing light alternatingly on the PN junctions to generate an alternating potential across the main terminals. AC electrical energy is generated without a DC to AC converter. "

I think it would be simpler to carry an inverter than a rotating mirror assembly, being facetious there are simpler ways to do it. A second link had a bit more information.

http://biblioteca.universia.net/ficha.do?id=5803621

I haven't digested the second link yet, I'm only on my first cup of coffee, this may have to wait until this evening , when I'm on my second martini.

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#10
In reply to #9

Re: Solar Cell

12/07/2008 11:10 PM

Good Answer with very useful and accurate information.

Thanx.........

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Guru

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#12
In reply to #10

Re: Solar Cell

12/08/2008 12:17 AM

Glad to be of some help. My gut feeling on this is in the past inverters have been prohibitively expensive, this is not the case anymore so I'm not quite sure direct AC generation from solar cells would have any practical application, indeed DC has the advantage of being able to be stored.

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Anonymous Poster
#16
In reply to #12

Re: Solar Cell

12/10/2008 12:12 AM

You would have to come up with a method to to "synch" the output of the a/c solar cells to the grid and to other banks of these same cells. I can't see how this could be cost effective and/or practical. Ed

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#13

Re: Solar Cell

12/08/2008 12:08 PM

I wonder how they determine the frequency of the AC??

Bill

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#15
In reply to #13

Re: Solar Cell

12/09/2008 5:06 AM

rate of AC

The rate of the Mirror revolving would control that.

Sleepy

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Anonymous Poster
#17

Re: Solar Cell

07/22/2009 3:48 PM

Yes..in fact quantum dot solar cells are capable of producing AC power eliminating the need for the inverter.

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Anonymous Poster (5); d_m_rosenberg (1); DaS Energy (2); dhayanandhan (1); JohnDG (2); Paras Desai (1); PEES (1); Sciesis2 (1); Sleepy (1); TVP45 (1); YWROADRUNNER (3)

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