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" <la...@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 > > > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org >
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