Mac,
Try Boltswitch. http://www.boltswitch.com/pdf/135.pdf
Dick Ratico
Solarwind Electric
--
--- You wrote:
Hi REwrenches,
Does anyone know where I can get a UL listed battery combiner good for
<1500A DC, 48V, preferably with a shunt?
Does this exist?
Thanks
--
Mac Lewis
--- end of qu
Benn
I personally would not accept these modules, the defect is what you can see
and makes me wonder of how good the remainder of the soldered connection
is. It is a red flag and very likely will become a problem in the future
under load thermal cycling. Shading of the cell is the least of the
w
Hello,
Anyone have detailed info on the Storedge battery-compatible system from
Solaredge? I only found a brochure on their website. Apparently batteries
can be added to a new or existing Solaredge inverter (the brochure says they
have partnered with Tesla's Powerwall) for backup power. They call
Good points Ray.
I always warn the crews of galling and to avoid spinning the SS hardware to
fast. Another tip is to try to keep the SS hardware out of direct sun prior to
using it.
Kinetic tells me that their threaded hardware comes with a clear coat of
anti-seize.
Benn Kilburn
SkyFire Ener
Esteemed Wrenches,
Does anyone know of a less tedious and messy way to lube the bolts than
squeeze tube anti-seize?
My 2 cents; I believe that the torque specs for an engineered assembly are
put in there for a reason. Ignoring them puts the installer on the hook for
any failures. Aside from being
Kurt,
Less messy, yes; less tedious, maybe: anti-seize also comes in a
semi-solid stick form, like a large lip balm tube with a cap and a
twist dial on the bottom to raise the level of the anti-seize as
it's used. One quick rub on the threads per bolt. Purchased through
Loctite makes anti seize in aerosol cans. Not necessarily less messy but
certainly less tedious if all bolts are prepped on the ground and carried
up in a bucket for assembly.
Roy Rakobitsch
NABCEP Certified Small Wind Installer®
NABCEP Certified Solar PV Installer®
Certified Advanced Tower Climbi
I don't have any info, but the StorEdge diagram is confusing to me when it
says "energy independence." I can see a simple compatibility between the
Powerwall DC voltage (300 to 400VDC) and the SolarEdge operating voltage,
~350VDC, and I can also see how this setup could be used to maximize
self-con
We also found that a Q-tip works great for applying the anti seize to
the threads without having to disassemble the clamp.
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760
On 6/29/2015 11:37 AM, Roy Rakobitsch wrote:
Hi:
>From the comments so far, it appears that within the wrenches group, good
practices are the rule and DC cables are kept side by side, so the problem
I mentioned hasn't come up much.
I have seen "large loop" battery cables a couple of times in solar
installs myself out on islands way down
Hi Benn,
The Alpha+ mid clamps are unique, in that they have mini hex head set screws
epoxied into place on the top of the mid clamps, with their sharp little points
sticking down to bite into the top of the module’s frame. One of these small
set screws was sticking out about an 1/8”, not good,
I would think that Solar City would know all about this.
Or, maybe I wouldn't ?
boB
On 6/29/2015 11:06 AM, Rebekah Hren wrote:
I don't have any info, but the StorEdge diagram is confusing to me
when it says "energy independence." I can see a simple compatibility
between the Powerwall DC vo
You can use a thin sponge soaked anti-seize and just touch the threads to the
sponge. Since it only takes a minute amount of lube to prevent galling, you can
prep all your bolts in the shop and bag them. Zip lock the sponge for the next
job.
Larry Crutcher
Starlight Solar Power Systems
On Ju
With all this talk of anti-seize in an email thread with "SnapNrack" as the
subject line, I just wanted to add another comment which is that we have for
several years now shipped all SnapNrack hardware with a wax coating. This
significantly reduces issues with hardware galling even when anti-se
Here's the reply I just got back from Solaredge:
"As this stands ATM Tesla has only announced the product, not finished
developing it. As Tesla finalizes it the details will become available.
Please click StorEdge on the bottom right of the web page and sign up for
the announcements as they com
What about when you have the (+) and (-) terminals at opposite ends of a larger
battery bank? Sure you can run the conductors side-by-side once they meet up
on their way to the inverter, but would you consider the distance between the
end terminals a "large loop"?
Ideally the battery string is
This is fascinating because while I knew the DC cables had an AC
component, I never realized how much inductance played in the volt drop
to the inverter. Thanks for bringing this to our attention Jarmo.
Which brings up another question based on Benn's question: isn't the
battery itself part of
In my experience, adding large electrolytic filter caps at the inverter
seems to help quite a bit with ac ripple issues and increases inverter
efficiency a bit as well.
Roy Rakobitsch
NABCEP Certified Small Wind Installer®
NABCEP Certified Solar PV Installer®
Certified Advanced Tower Climbing, Saf
On 6/29/2015 3:15 PM, Roy Rakobitsch wrote:
In my experience, adding large electrolytic filter caps at the
inverter seems to help quite a bit with ac ripple issues and increases
inverter efficiency a bit as well.
Yep, that usually helps.Turns out that if you get just the right
amount
sadly, all we have left is hopium
On Monday, June 29, 2015 12:36pm, "Kirk Herander" said:
Here’s the reply I just got back from Solaredge:
“As this stands ATM Tesla has only announced the product, not finished
developing it. As Tesla finalizes it the details will become available. Pl
Wrenches
We always try to minimize in connection cables as well as home run cables to
the shorted length possible, restating batteries to aid this should always be
considered as well as positive and negative runs
Jerry
Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone
Orig
For about the last year, DPW has been sending all the 5/16" nuts which work
with their mid and end clamps plus the foot-to-rail connection, splices, etc
with a polymer coating on the threads. Since then I have had zero issues with
galling or backing nuts off for fine tuning alignments. If your
Hi:
It's not possible to have no loop area at all, but cables should be run in
ways to minimize the loop area.
If you run the + or - along the side of the batteries for example, then
that has the effect of minimizing the total loop.
JARMO
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