[RE-wrenches] PV String Over-voltage

[Benn At DayStarSolar]

Larry, 
Would it not be a more straightforward approach to just size the strings, temperature compensating for the coldest anticipated temp?
Nonetheless, such a device could be useful in some circumstances. I'd be interested to know if your search comes up with something. 

benn
Sent from a 'smart' phone, with touch screen keys. Please excuse shortcuts and typos. 

On 2012-11-29, 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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