[RE-wrenches] Sol-Ark 15k Conduit Entries
drake.chamberlin at redwoodalliance.org
drake.chamberlin at redwoodalliance.org
Fri Aug 4 06:00:28 PDT 2023
That is an amazing, super clean installation.
---
On 2023-08-03 13:08, Michael Morningstar via RE-wrenches wrote:
> 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
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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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