Bill,
As far as I know, there is no american manufacturer that is left standing who
has been in the business for decades. Solarworld's USA plant, if that is who
you mean, has bounced around ownership at least 3 times in the last 20 years
(arco, shell, siemans, solarworld), and they shut down th
Hilton,
This article just confirms what I have always suspected. Cost cutting could
compromise quality and this also reinforces my business practice to buy
American from solid companies. Obviously the choices are limited and the
prices a few cents higher. This said, I have sold dozens of b
Hi there,
Hilton's third question is important.
Are we seeing a rise in thin film failure or is this only mono and poly?
Regards
Carl Emerson
_
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Hilton Dier
III
Se
wrenches,
i have a customer who purchased 20 used astropower ap75 modules.
they are frameless and appear to have been previously mounted
using four, 2" wide X 10" long strips of blue rigid foam, glued
to the back of each module with some kind of
this question is part 2 about the
customer with the used astropower 75 watt modules -
he has a grundfos 11sqf-2 already set by the well driller. the
input specifications for the cu200 pump & controller are 30
to 300 vdc, 1400 watts, 8 amps.
Todd,
I don't have your answers, only the caution that "blue foam" to
many of us with a construction background means extruded
polystyrene or "blueboard", commonly used around foundations. It
deteriorates with exposure to sunlight, so could only be used in
a
Hi Allan and Todd.
these modules sound like the ones that Powerlight used back many years ago.
These modules were mounted flat with the blue foam as insulation/mounting.
the concept while pretty cool at first look didn't work out.
Not sure what to tell you about what/how to mount them too howev
I agree with Allen, and would like to add a related comment. Foam boards are
thermally insulative in nature. If affixed to the PV with adhesive, they would
cause the PV module to run hotter than if the backsheet was fully exposed
to the air.
This results in reduced energy output under all condit
good point dan... i wonder how frameless modules are intended to be mounted?
todd
On Thursday, May 30, 2013 4:00pm, "Exeltech" said:
I agree with Allen, and would like to add a related comment. Foam boards are
thermally insulative in nature. If affixed to the PV with adhesive, the
I've seen rack "edge clamps" for frameless PV advertised, but didn't make a
mental note of made by whom, or where I saw the ad. I *do* recall the clamps
were intended to be located along the long edges, not the ends. Otherwise,
expansion/contraction would stress/break the glass.
There's a wealth
Hi Dan,
Schletter solar has some.
under their Laminate modules and accessories section.
jay
peltz power
On May 30, 2013, at 4:25 PM, Exeltech wrote:
> I've seen rack "edge clamps" for frameless PV advertised, but didn't make a
> mental note of made by whom, or where I saw the ad. I *do* rec
Schletter makes those clamps.
On Thu, May 30, 2013 at 7:25 PM, Exeltech wrote:
> I've seen rack "edge clamps" for frameless PV advertised, but didn't make a
> mental note of made by whom, or where I saw the ad. I *do* recall the
> clamps
> were intended to be located along the long edges, not
Todd,
The SQF runs on 30V or more, but is happiest above 90V according
to Grundfos, and I have never heard anything suggesting a
disadvantage to the higher voltages.
I think the 1400 watts is a theoretical maximum, and the pump will
vary its operation
Wrenches,
It looks like the new Fronius Arc-Fault detecting line is available through
distribution (IG Plus Advanced...) Anyone had a chance to try it out? Any
initial impressions?
It makes me a little nervous that it still isn't on their website other than a
short press release and the person
A question about US made modules.
Who actually makes the cells here in the us?
Only 2 that i know of, I"m sure there are more.
Solar world.
First solar
who else?
thanks,
jay
peltz power
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Jay
Suniva cells made in Georgia, modules made in China. Have been qualified
ARRA compliant...which means nothing of course since anyone signing onto
any trade agreement with the US is exempt from it, including Tiawan ( that
is why most cells are made there "officially")
Bill
On Thu, May 30, 2
Wrenches,
There are PV-specific adhesives certified for use on backsheets.
Examples are:
Dow-Corning 737
Dow-Corning 804
Tonsan 1527
and others.
These are silicone-based, but NOT at all like what you'd buy from big-box
or similar outlets.
Consumer-type silicone adhesives such as Ray mentioned
Haticon would be another option.
Sent from W.W.W'S iPhone
On May 30, 2013, at 4:41 PM, Chris Mason wrote:
> Schletter makes those clamps.
>
>
> On Thu, May 30, 2013 at 7:25 PM, Exeltech wrote:
>>
>> I've seen rack "edge clamps" for frameless PV advertised, but didn't make a
>> mental note o
Suniva has some limited module production capacity in Georgia, so not all of
their modules are assembled in Taiwan. You just have to specify that you want
all US-made modules when you order them.
I don't know if Silicon Energy in Washington State makes their own cells there
or not, but might be
Also realize that most chaulks use acetone to cure faster, not good for
back sheets. PV adhesives are air cured and take a lot longer to become
full strength, at least 24 hrs under ideal conditions! PV804 is bomb
proof, I have done adhesion tests on junction boxes And I literally had to
destroy
Silicon Energy's cells are made in Taiwan last I talked to them.
Jesse
Sent from my iPhone
On May 30, 2013, at 8:04 PM, Brian Teitelbaum wrote:
> Suniva has some limited module production capacity in Georgia, so not all of
> their modules are assembled in Taiwan. You just have to specify tha
I was reading up on the SQF pump and do remember seeing something about
efficiency at higher voltages. Can't remember if it got better or worse.
Jesse
Sent from my iPhone
On May 30, 2013, at 6:44 PM, Allan Sindelar
wrote:
> Todd,
> The SQF runs on 30V or more, but is happiest above 90V acc
I would not trust adhesive on the backs of panels for decades. This would be especially a concern with tiltups or ground mounts where there is more wind loading. When mounting some frameless BP modules I made some 4-inch long edge moldings of slotted hard foam called SeaFoam that is sold (but not m
Suniva
Sent by Jeremy's iPhone. Sorry for typos and shorthand!
On May 30, 2013, at 5:49 PM, jay peltz wrote:
> A question about US made modules.
>
> Who actually makes the cells here in the us?
>
> Only 2 that i know of, I"m sure there are more.
> Solar world.
> First solar
>
> who else?
>
Don
Actually Very High Bond (VHB) foam tapes are incredibly strong and if
formulated for glass, will work quite well. They have been using it for
decades to mount heavy glass and aluminum panels on curtain walls on sky
scrapers. I would trust it totally as long as it was not bought at
HomeDepot.
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