[RE-wrenches] PV String Over-voltage

[mac Lewis]

Larry,

You could make a device that does this via relays by either sensing temp,
single panel or string voltage, and takes a panel or two out of the circuit
when necessary.  Maybe there is a product made for this already available.

Good luck

On Thu, Nov 29, 2012 at 6:53 PM, Larry Crutcher, Starlight Solar Power
Systems <larry at starlightsolar.com> wrote:

> Wrenches,
>
> I seem to recall seeing something about a device for PV string
> over-voltage protection by bypassing a module. I can't find any info by
> Goggling.
>
> Some customers in the FAR north, ay, can see > 40° below zero with bright
> sun and snow reflection. I want to be able to switch off one or more
> modules in a string for protecting the controllers.
>
> Thank you,
>
> Larry Crutcher
> Starlight Solar Power Systems
>
>
>
>
>
>
>
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-- 



Mac Lewis

*

"Yo solo sé que no sé nada." -Sócrates
*
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