I'm loving my first install of Sol Arks - One downside of Sol-Ark (and I
can't find many!) is that the GEN terminal can only handle 1 of the
following 3: Generator, AC Coupling, or Smart Load. So if you want both
a generator and AC coupling you have to either do a separate transfer
switch for the GEN and not run it through the inverters - or you have to
go with their internal DC MPPTif you do want the GEN to charge the
batteries (unless you are off-grid totally and have no Grid in which
case you might be able to run the Generator into Grid? not sure about
that - don't quote me!).
Anyone else with any downsides?
Best,
Jeff
Jason Szumlanski wrote on 9/10/20 4:44 AM:
There is a huge distinction in a hybrid inverter that integrates MPPT
charge control. Eliminating all of the extraneous hardware and circuit
protection associated with charge controllers is very appealing. The
500V input limit is also a game-changer in terms of wire size. I'm
very interested in this approach.
On the flip size, an AC Coupled approach is also appealing in a lot of
circumstances. Since Sol-Ark supports that, too, it's hard to find
downsides other than their infancy in the industry.
And for what it's worth, my experience with SMA tech support recently
has been abysmal. Long hold times and getting bounced around departments.
Jason Szumlanski
*
*
On Wed, Sep 9, 2020 at 9:50 PM Mark Frye <[email protected]
<mailto:[email protected]>> wrote:
The most important thing here is that no one is standing up to
sing the praises of either SMA or Outback.
I myself have sent about 2 hours on hold over 2 days trying to get
an issue addressed by SMA.
Re: Sol-Arc I would pay a lot extra or take some not so good
aspect in exchange for good technical support.
On 9/9/2020 1:12 PM, Jason Szumlanski wrote:
Any tips on combining AC output from these units when stacking
several of them? What bus/OCPD system are you using? Same
question for generator/grid input.
The solar MPPT inputs appear to be dead simple.
Jason Szumlanski
*
*
On Tue, Sep 8, 2020 at 10:45 PM MiJo Nels
<[email protected] <mailto:[email protected]>>
wrote:
we've found SolArk to be SOLID!! .. And yes 8 inv yield about
96kW, with a TON of surge capabilities..
Joe Nelson
Project Manager C-46/C-10
Sustainable Energy Group Inc., A California Corporation
CSL# 868816
www.SustainableEnergyGroup.com
<https://mailtrack.io/trace/link/8f0e320b52948f22a9ae9682bd3b5e9dc8d6c68f?url=http%3A%2F%2Fwww.SustainableEnergyGroup.com&userId=1613865&signature=e7d246f94af9a065>
530-273-4422 (Office)
530-217-8385 (Cell)

   
------------------------------------------------------------------------
*From:* RE-wrenches
<[email protected]
<mailto:[email protected]>> on behalf
of [email protected] <mailto:[email protected]>
<[email protected] <mailto:[email protected]>>
*Sent:* Tuesday, September 8, 2020 1:24:03 PM
*To:* 'RE-wrenches' <[email protected]
<mailto:[email protected]>>
*Subject:* Re: [RE-wrenches] Microgrid... Outback or SMA or
other?
I also suggest the Sol-Ark 12’s. Extremely efficient, simple
to program, does a wonderful job in either ac coupling, stand
alone or pure off grid and terrific customer support.
Peter Giroux
ASAE
*From:*RE-wrenches <[email protected]
<mailto:[email protected]>> *On
Behalf Of *Bryan Norkunas
*Sent:* Tuesday, September 8, 2020 1:50 PM
*To:* 'RE-wrenches' <[email protected]
<mailto:[email protected]>>
*Subject:* Re: [RE-wrenches] Microgrid... Outback or SMA or
other?
Sol-Arks would be possible, you can link 8 inverters.
*Bryan *
*PV-Cables*
*From:*RE-wrenches
[mailto:[email protected]] *On Behalf
Of *Chris Schaefer
*Sent:* Tuesday, September 8, 2020 10:40 AM
*To:* RE-wrenches
*Subject:* Re: [RE-wrenches] Microgrid... Outback or SMA or
other?
I'd suggest giving the crew at Sol-Ark a quick call @
972-575-8875 with their 12kw unit. Not sure what their max
number of inverters are.
Christopher
On Tue, Sep 8, 2020 at 1:14 PM Kienan Maxfield
<[email protected]
<mailto:[email protected]>> wrote:
Hey all, I'm designing a microgrid sized off-grid system
for somebody, and I'm just wondering if anyone knows of
any issues with the following designs...
The client says he needs 70 kW. His load data looks
pretty solid, so I'm sticking to using that number as a
minimum, at least during the initial proposal stage. I
only know of two possible equipment options for this size
range...
1. I think I can use up to 10 Outback Radians, for up to
an 80 kW system. Are there any bugs or problems with
using this many inverters on one hub? I know I've
read about issues with selling to the grid, but
that's not an issue, this is off-grid.
2. I know that the SMA cluster box with sunny islands
can allow for up to a 72 kW system. Do you know of
any bugs or problems with this system?
Are there any other options that anyone would suggest?
Schneider's website says they can only do up to 61 kW,
and Victron can only do up to 60 kW.
I know that the Outback system would yield a 240/120
Split-Phase system and that the SMA would yield a 208/120
3Ø system, but this doesn't really matter either way for
this job.
Thanks so much,
Kienan
*Maxfield Solar*
*[email protected]*
<mailto:[email protected]>
*(801) 631-5584 (Cell)***
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