[RE-wrenches] Non-conductive module frames

[Jerry Shafer]

William
LUMUS makes a glass on glass frame-less module, they say to use there
racking but give them a call and see i don't have a email for them so
google away good luck. BTW we work also very close to the ocean and we
sometimes get salt build up on the micro inverters but i have not seen any
corrosion on the modules nothing big anyway, are all the modules grounded
to earth because like boats there is a discharge that can cause damage to
the metallic parts and if there is not a good ground or one with either
positive or negative voltage or charge excessive damage can result in
electrolysis
Jerry

On Mon, Aug 31, 2015 at 12:22 PM, William Miller <william at millersolar.com>
wrote:

> Friends:
>
>
>
> I thought I had sent a message about this to the list but I believe not.
> My apologies if this is a repeat.
>
>
>
> We have been having trouble with corrosion on an installation on a
> beachfront residence.  Here is a link
> <http://www.millersolar.com/MillerSolar/case_studies/marine_corrosion/Marine_corrosion.html>
> to a page I wrote about this problem.
>
>
>
> I am not a metallurgist, but I am thinking the problem is exacerbated by
> circulating currents.  PV leakage is unavoidable.  The currents will
> migrate to the metallic frames.  When the frames come into contact with any
> other energized or bonded metal, electrolysis results.
>
>
>
> Regardless of the exact cause, metal is the affected material.  I am
> wondering if the best practice would be to eliminate as much as possible
> any metallic components.  This would mean plastic framed modules and
> plastic racking.
>
>
>
> I can source fiberglass strut easily.  What I am looking for is plastic
> framed PV modules.  Do any of you know of a manufacturer or distributor of
> such?
>
>
>
> Thanks in advance.
>
>
>
> William
>
>
>
> [image: Gradient Cap_mini]
> Lic 773985
> millersolar.com <http://www.millersolar.com/>
> 805-438-5600
>
>
>
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