[Power] Fwd: solar panels to gaza - any pitfalls?

[Paul Commons]

On Tue, Feb 23, 2010 at 1:45 PM, Richard A. Smith <richard at laptop.org>wrote:

> On 02/23/2010 01:14 PM, Reuben K. Caron wrote:
> >
> > On Feb 23, 2010, at 1:02 PM, Richard Smith wrote:
> >
> >> 2nd try.. Needs to be power at lists.laptop.org
> >> <mailto:power at lists.laptop.org> not power at laptop.org
> >> <mailto:power at laptop.org>
> >>
> >> ---------- Forwarded message ----------
> >> From: Richard Smith <richard at laptop.org <mailto:richard at laptop.org>>
> >> Date: Tue, Feb 23, 2010 at 12:58 PM
> >> Subject: Re: solar panels to gaza - any pitfalls?
> >> To: Barbara Barry <barbara at laptop.org <mailto:barbara at laptop.org>>
> >> Cc: robert <robert at laptop.org <mailto:robert at laptop.org>>, "Reuben K.
> >> Caron" <reuben at laptop.org <mailto:reuben at laptop.org>>,
> >> We have reports from South Africa, Kenya, and a few individuals that
> >> in heavy solar conditions the over voltage circuit of XO-1 can get
> >> tripped [1].
> >
> > How does the solar window in those places compare to that in Gaza? What
> > is the website you use to check such things?
>
> http://www.gaisma.com/en/
>
> But thats a 24 hour average so its not going to tell you what the peak
> power is.
>
> > The over voltage condition only occurs during heavy solar conditions,
> > right? So non-heavy days it works fine?
>
>  From the little data I have right now I would say yes.
>
> > Can you define "heavy solar condition?"
>
> No.  But the site I have the most info from is in Kenya which is
> equatorial sun and the other 2 US fail reports were from the Southern US
> in the middle of summer.
>
> What country, city in South Africa has the other panels?  That's where
> the other fail report is from.
>

Limpopo Prov.  Sent email earlier today to woman who is there.  The only
feedback I have is "not working" so as soon as I get more information, I'll
let you all know.

In Sierra Leone, the panels worked perfectly, although that was during the
dry season.  Haven't heard how the wet season has affected that


>
> --
> Richard A. Smith  <richard at laptop.org>
> One Laptop per Child
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>



-- 
Paul Commons
One Laptop per Child
Miami, FL
Cellular: (317) 523.9822
Office: (305) 371.3755
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