[RE-wrenches] Low Frequency transformer off-grid inverter options

Sat Jan 14 11:40:53 PST 2023

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/ <http://members.sti.net/offgridsolar/>
>>>> e-mail  offgridsolar at sti.net <offgridsolar at sti.net>
>>>> text 209 813 0060 <209%20813%200060>*
>>>>
>>>>
>>>> On 2023-01-13 11:57 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:
>>>> <%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
>>> H_802-728-3059
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>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
> _______________________________________________
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