Alt-BEAM Archive

Message #00262



To: dilbertpete@hotmail.com, beam@corp.sgi.com
From: TurtleTek@aol.com
Date: Sun, 7 Feb 1999 14:12:15 EST
Subject: [alt-beam] Re: Current vs. Voltage


> I am deciding to whether or not to add another solar panel to my
> photovore, and I want to know one simple question.
>
> Which is better current or voltage to run my motors?
>
> Thanks in advance

Greetings Pete and List,

I had a similar question a few weeks ago and got similar answers. What you may
need to know is that if both solar cells aren't the same, the bot will
actually move slower. I don't know if this is the same with connecting them in
series but it is when connecting in parallel. I don't know why this
information isn't mentioned more often.
Now, I have a few questions about this that never got answered the last time:
1)First of, Is this true? Or is it just another "BEAM myth"?
2)If it's true, then why is it a mistake so often made? I see tons of bots
with mis-matched cells connected in parallel on "My bot" sites.
3)Why does this happen? I guess the formula isn't "output current is sum of
cell currents", eh?
4) Supply any other information you think we may need.

Many Thanks,
TurtleTek
"Yu, shall I tell you what knowledge is? When you know a thing,
say that you know it. When you do not know a thing, admit you
do not know it. This is knowledge."
- K'ung-fu Tzu (Confucius)

PS: I'm about to open my new BEAM site in a few days. I'll be sure to tell the
list when I have.

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