[RE-wrenches] Low Frequency transformer off-grid inverter options
bob at midnitesolar.com
bob at midnitesolar.com
Sat Jan 14 14:13:09 PST 2023
Three (3) weeks is also what I am being told. Part of the delay was
that ETL/Intertek dropped the ball, big time.
Actually, ETL ran out of brains and we had to go to another NRTL
altogether for inverters.
And yes, it does surge very well.
Merry new year, all !
🌜boB🌛
On 1/14/2023 11:40 AM, William Bryce via RE-wrenches wrote:
> I am told the RE (off grid version) will be available through normal
> distribution in 3 weeks.
> As a Beta tester for this inverter I can say the use of SiC Fets is a
> game changer.
>
> On Sat, Jan 14, 2023 at 11:22 AM Mac Lewis via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> wrote:
>
> Fully appreciate everyone's input.
>
> The Midnite Rosie sounds interesting for sure. Midnite is a great
> company with great support. Smart people answer the phone and
> that really counts for a lot.
>
> How are you getting your hands on these? I can't seem to find
> much info, no spec sheets etc. None of my vendors have them and
> Midnite is estimating Apr 2023 as the release date.
>
>
>
> On Sat, Jan 14, 2023 at 8:34 AM William Bryce via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> wrote:
>
> I run the XW6848 in my shop. When running my CNC plasma table
> the XW will shutdown due to exceeding its output rating if it
> is a long cut on metal when the 4HP compressor kicks on.
> I also have a Midnite Solar Rosey, both are connected to the
> same battery so it's an equal comparison. The Rosy inverter
> will surge right through and finish the job, the XW is not in
> the same league when comparing surge capability.
>
> A bonus is that the Rosey is really quiet as it does not have
> that big heavy transformer making noise under heavy load. It
> is easy to install as it is not as heavy. So far it's a game
> changer in regards to inverter hardware that I have tested.
>
> On Fri, Jan 13, 2023 at 9:54 PM Chris Sparadeo via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> wrote:
>
> I have a client with a large woodworking shop…cabinet
> table saw, large 20” 240V bench planer, chop saws,
> compressors and a vacuum system. A single Sol Ark 15K
> takes care of these loads flawlessly. It seems that that
> inductive load snag with the smaller models has been
> resolved with the 15K.
>
> Best,
>
> Chris
>
> On Fri, Jan 13, 2023 at 7:34 PM Glenn Burt via RE-wrenches
> <re-wrenches at lists.re-wrenches.org> wrote:
>
> According to a seminar I just attended, the new
> Midnite Solar Rosie will...
>
> -Glenn
> Sent from my 'smart'phone, so please excuse typos and
> spelling errors.
>
> ------ Original message------
> *From: *Dave Angelini Offgrid Solar via RE-wrenches
> *Date: *Fri, Jan 13, 2023 3:55 PM
> *To: *RE-wrenches;
> *Cc: *Dave Angelini Offgrid Solar;
> *Subject:*Re: [RE-wrenches] Low Frequency transformer
> off-grid inverter options
>
> There is not anything I know of that will out surge XW
> pro 6948. A great monitoring platform and much better
> support/installer training in the last 18 months.
> Perfect for a shop with unknown peak surges.
>
>
>
> *Dave Angelini Offgrid Solar "we go where powerlines
> don't" http://members.sti.net/offgridsolar/ e-mail
> offgridsolar at sti.net text 209 813 0060
> <tel:209%20813%200060>*
>
>
> On 2023-01-13 11 <tel:2023-01-13%2011>:57 am, Jay via
> RE-wrenches wrote:
>
>> Hi Mac
>> The radian is low voltage transformer
>> Based. Has hella surge capacity
>> I would consider what web based monitoring system he
>> wants and go with that platform.
>> Regardless of system I'd install soft start/vfd on
>> the larger units. Just easier on everything.
>> The solark 12 doesn't seem to be good for larger
>> loads and doesn't do out of balance well, and limited
>> to 6kw per phase. The new 15 might be better, not
>> sure. Numerous YouTube videos showing side by side vs
>> XW and radian. Both run stuff over their rating which
>> the SolA won't run even though its under its rating.
>> Good luck
>> Jay
>>
>>> On Jan 13, 2023, at 11:34 AM, Mac Lewis via
>>> RE-wrenches > wrote:
>>> <mailto:%3Cre-wrenches at lists.re-wrenches.org>
>>>
>>> Hello Wrenches,
>>> I have a new client that has ran a pretty decent
>>> wood shop for about 10 years on a Magnum 4448. He's
>>> got some large loads, planers, saws, compressors
>>> vacuums etc. They are really nice, heavy duty pieces
>>> of equipment. Amazingly, the Magnum has been able to
>>> start these loads for the most part for 10
>>> years, but he has reported that it has gotten worse
>>> lately (could be a load issue), brown outs, dimming etc
>>> He wants to upgrade the system, get remote
>>> monitoring etc. I tried a test with a Sol-Ark 12,
>>> and it won't start these large motor loads. I was a
>>> little surprised by that but I know they aren't as
>>> good as the low freq transformer based inverters at
>>> these surges.
>>> I confirmed that its not just an overload from
>>> imbalance because the 240V loads will also overload
>>> it. I got an inrush measurement of 48.5A Ac @240
>>> (but it didn't start the load before Sol-Ark would
>>> shut off)
>>> What are my options?
>>> Schneider XW Pro 6848
>>> Outback Radian 8048 (Is this a low freq device?)
>>> Sunny Islands are beasts but weird to work with and
>>> not user friendly
>>> Any others I should consider? He does have some
>>> significant 120 only loads so I don't think the
>>> Outback vfxr are a good choice.
>>> Is it as simple as saying if the Magnum can start
>>> this load, the Radian should?
>>> I appreciate your input!
>>> --
>>> Mac Lewis
>>>
>>> "Yo solo sé que no sé nada." -Sócrates
>>>
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> --
> Chris Sparadeo
>
>
> C_802-369-4458
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> --
>
>
>
> Mac Lewis
>
> *
>
> "Yo solo sé que no sé nada." -Sócrates
>
> *
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