The original Powerwall 1 was DC coupled and there are quite few up here
in the mountains running fine. They are much better in my opinion than the
400vdc LG. When LG failed with the 48v battery they made the 400v with the
electronics limiting the problem of surge current. That current pulled from
The Powerwall 2 is now supported by Tesla in an off-grid configuration from
what I heard. It is AC coupled. It cannot interact with generators
whatsoever. You can't charge the battery with a generator and you can't AC
couple a generator to it. If you want a generator, you put a transfer
switch on t
Wrenches
Much like the coroplast we have used corrugated sheets that we have cut to
"pop in'' to each panel, not done for aesthetics but rather to protect the
back sheet from animals but we did see a temperature increase as a result.
Jerry
NABCEP Solar Inspector
On Mon, Jul 20, 2020, 10:16 AM Sam
Since the Powerwall is AC coupled, how will it know if the power source is a PV
solar array or a generator if either feed the PV input? It seems simple AC
switching is all that would be needed. I like to think outside the box but I’m
not familiar with Powerwall.
Larry Crutcher
Starlight Solar P
Larry:
I am not Tesla conversant but allow me to speculate: If any grid-tied
system can be fed from a generator it could also feed back to the
generator, which may damage said generator. The grid-tied system should
therefore be connected upstream of any transfer switching, making it
ineligible
I used Solarscrim to protect the underside module wiring of the array on
one job. Good product and support and reasonably priced.
Allan
On 7/20/2020 11:16 AM, Sam Haraldson wrote:
Much like Ray we have interpreted this protection to mean the
"dangerous" parts of the solar and not the module fr
Tesla released new offgrid design and installation instructions April of
this year. As a Powerwall dealer, we're under NDA not to share the
document, but the Powerwall will now charge from the generator when it hits
a certain SOC threshold if the PV is not running. I'm not sure about that
caveat of
A screenshot may help make this easier. The back-up gateway is the key
here. I would look on youtube for some more recent schemes to get this to
work for you
Dave Angelini Offgrid Solar
"we go where powerlines
don't"
http://members.sti.net/offgridsolar/ [1]
e-mail offgridso...@sti.net
[2]
text
Hi William,
Thank you for your response. I was responding to the question of use off grid
and Hiltons question about generator use. Jason said, "But Tesla is clear in
that they do not allow a generator to interact with the Powerwall in any way.”
This is true.
Powerwall uses AC coupled inverter
Larry:
If you can automate disabling grid-sell when connected to the generator in
a fool proof manner then you may have a solution. If the system fails I
see a damaged generator but not a life-safety issue.
William
*From:* la...@starlightsolar.com [mailto:la...@starlightsolar.com]
*Sent
Hi August,
To clarify, will the Gateway do AGS, or is this for manual charging only?
If they get this right, it could be a gamechanger for people who want
a hybrid system with generator auxiliary (whether whole-house generator or
portable perhaps). The big problem in Florida is after a storm you n
This, from a Nov 03, 2017 Powerwall 2 document, makes sense. Generator input in
place of utility syncs with PV inverters and Powerwall inverter.
Thank you,
Larry Crutcher
Starlight Solar Power Systems
On Jul 20, 2020, at 1:25 PM, August Goers wrote:
Tesla released new offgrid design and
Hi Jason - I'm not familiar with the acronym AGS, but it will do solar
curtailment via frequency shifting. The tech doc says that the generator
will turn on once SOC reaches a lower threshold and remain on to power
loads and charge the Powerwall(s). So, it is designed for automatic
generator operat
If its attached to the building then its subject to 690.12. Is he also
making you comply with rapid shutdown?
Ray Walters
Remote Solar
303 505-8760
On 7/20/20 2:01 PM, Kirk Herander wrote:
Hey Dave,
Well my building inspector is just being a dick about the "need" for a
fence surrounding the
Hey Dave,
Well my building inspector is just being a dick about the "need" for a fence
surrounding the side of a wall-mount PV awning. He has mis-classified it as a
ground-mount per NFPA 1 rules, which requires 10' clearance for ground mounts,
and doesn't care about wires being accessible or not
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