[RE-wrenches] Sol-Ark 15k Conduit Entries

Thu Aug 3 10:08:43 PDT 2023

Hi Drake,
Those are single phase combiner panels. I would have loved to set this up
as a three phase system, but there was already a mile of underground single
phase run throughout the property. We ended up running a half mile 15KV
line from the power site to the estate. This is an aside, it's kind of hard
to see, but for seperation, we attached  the pv circuits to the back of the
gutter using through bolted adhesive backed cable tie holders. Often we use
gutter dividers. They originate in the tall cabinet at the end which houses
controls, secondary PV disconnects, AC and DC egauges, Tigo hub, Battery
hub and (Lynk II). On the opposite end is a similar cabinet for the
collection and distribution of AC circuits. Also, above and below the
batteries are small gutters for communications and CT wires that run from
the transfer switches to eguage. One transfer switch to alternate usage
(alternating relay) or bypass between Gen 1 and Gen 2, and the other switch
to select inverter or generator power, locally or remotely. In the AC
cabinet there is a 400a contactor and time delay relay to achieve a
generator cooldown as the janky Sol-Arks don't do that and it's hell on new
diesels not to have that function.

On Thu, Aug 3, 2023 at 7:50 AM Drake Chamberlin via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> That looks really nice. How were you able to put 8 Sol Arc inverters on a
> 3 phase panel? Tech support told me that inverters had to be connected in
> groups of 3.
>
> Thank you,
>
> Drake
>
>
> *Drake Chamberlin*
>
> *Athens Electric LLC*
>
> *Ohio Electrical Contractor’s License 44810*
>
> *CO Master Electrician’s License 4526*
>
> *NABCEP Certified PV Installation Professional*
> ---
>
>
>
> On 2023-08-02 14:19, Michael Morningstar via RE-wrenches wrote:
>
> 10x10 gutter. Notice within, a 2.5x2.5 gutter for comms. 1 x 2.5" nipples
> work well. Chase nipples wont due to door clearance. I've also cut the
> bottoms out of the Sol-Arks and a corresponding square window in the
> gutter,  placed a 1/4" rubber gasket between the two. We do that when we
> have many VFD's over a gutter. Someone a while ago asked for a picture
> showing how we make long bussbars. This one is 24' long.
>
> On Wed, Aug 2, 2023 at 10:08 AM Jerry Shafer via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> Jason
> In plenty of applications l will use couplers with chase nipples, height
> is one issue but installed working height is very important. I use a 8"x8"x
> X gutter and sometimes even off set that from the wall, l have had AHJ not
> want to see mixed cables LVDC and AC in the same conduit so pass through
> the battery conductors right out the bottom and to the battery. I just
> create a template for punching into the gutter, looks clean and is safe
> with easy access to the display
> Fun times
>
> On Wed, Aug 2, 2023, 8:04 AM Jason Szumlanski via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
> I see a lot of pictures with conduit nipples coming out of a gutter that
> are fairly long. I have a height limit issue and I'm wondering if there are
> any negative implications of using very short nipples between a wireway
> below and the inverter. I'm thinking about using close nipples or perhaps
> 2-in nipples if I have enough room.
>
> If there are any practical reasons that this will not work well, please
> let me know.
>
> Jason Szumlanski
> Florida Solar Design Group
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> --
>
>
>
> Michael Morningstar
>
>
>
> Morningstar Electric
>
> PO Box 1494
>
> Mount Shasta, CA 96067
>
> 530-921-0560
>
> mjmorningstar at gmail.com
>
>
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-- 

Michael Morningstar

Morningstar Electric

PO Box 1494

Mount Shasta, CA 96067

530-921-0560

mjmorningstar at gmail.com
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