[RE-wrenches] Microgrid... Outback or SMA or other?
Jeff Clearwater
jeffc at villagepowerdesign.com
Thu Sep 10 14:12:31 EDT 2020
Yea I'm wondering the easiest way to get a 125 AMP Midnite Inverter
Bypass assembly in a simple box for 2 Sol-Arks. Midnite would be the
perfect candidate for a simple support box (e-panel style) for Stacked
Sol-Arks.
Any ideas?
Thanks,
Jeff
Dave Angelini Offgrid Solar wrote on 9/10/20 9:37 AM:
>
> In an all in one, the good parts are balanced, sometimes, by a small
> failure making the all in one useless. Only a complete spare will save
> the day, or night...Also wonder about real world surge capacity on 1
> hp pumps and big air compressors.
>
> I am glad to hear that they will be making this in Texas, rather than
> currently only in China. Anyone have more on this please?
>
> AC bypass switching is a must for SolArk. They need a PDP or some way
> to make this easier. The dual mppts are perfect for virtual tracking.
> I begged for a dual mppt on the new Schneider high voltage 100a mppt :(
>
> I wish them good luck and take back most of my concerns. Hope they can
> make it!
>
>
> *Dave Angelini Offgrid Solar "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ e-mail offgridsolar at sti.net
> <mailto:offgridsolar at sti.net> text 209 813 0060*
>
> On Thu, 10 Sep 2020 07:44:36 -0400, Jason Szumlanski
> <jason at floridasolardesigngroup.com> wrote:
>
>> 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 <markf at berkeleysolar.com
>> <mailto:markf at berkeleysolar.com>> 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
>>> <spaceshipnelson1 at gmail.com <mailto:spaceshipnelson1 at gmail.com>>
>>> 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
>>> <re-wrenches-bounces at lists.re-wrenches.org
>>> <mailto:re-wrenches-bounces at lists.re-wrenches.org>> on
>>> behalf of pgiroux at mindspring.com
>>> <mailto:pgiroux at mindspring.com> <pgiroux at mindspring.com
>>> <mailto:pgiroux at mindspring.com>>
>>> *Sent:* Tuesday, September 8, 2020 1:24:03 PM
>>> *To:* 'RE-wrenches' <re-wrenches at lists.re-wrenches.org
>>> <mailto:re-wrenches at lists.re-wrenches.org>>
>>> *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
>>> <re-wrenches-bounces at lists.re-wrenches.org
>>> <mailto:re-wrenches-bounces at lists.re-wrenches.org>> *On
>>> Behalf Of *Bryan Norkunas
>>> *Sent:* Tuesday, September 8, 2020 1:50 PM
>>> *To:* 'RE-wrenches' <re-wrenches at lists.re-wrenches.org
>>> <mailto:re-wrenches at lists.re-wrenches.org>>
>>> *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:re-wrenches-bounces at lists.re-wrenches.org] *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
>>> <maxfieldsolar at hotmail.com
>>> <mailto:maxfieldsolar at hotmail.com>> 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*
>>>
>>> *maxfieldsolar at hotmail.com*
>>> <mailto:maxfieldsolar at hotmail.com>
>>>
>>> *(801) 631-5584 (Cell)*
>>>
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--
~~~~~~~~~~~
Jeff Clearwater
Village Power Design
linkedin <https://www.linkedin.com/in/jeff-clearwater-0622a312/>
www.villagepowerdesign.com <http://www.villagepowerdesign.com>
cell - 413-559-9763
~~~~~~~~~~~~~~~~~~~~~~~
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