[RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi all, I'm doing my first installation with two 24 kWh Homegrid stacks. They will feed two Sol-Ark 15k. I'm seeking recommendations on busbars for connecting this up in the most elegant way possible. Pictures speak 1,000 words, so if you have any I would appreciate it (off-list is fine). Jason

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi Jason We’re using the Midnite MNCB battery combiner for the same purpose. https://www.midnitesolar.com/productPhoto.php?product_ID=439 &productCatName=BATTERY I’m curious what others may suggest for option

[RE-wrenches] Iron Edison Lithium SOC drift

We have about 20 units out in service. All of the batteries SOC readings have drifted apart greatly. IE always said not pay attention the battery readouts, and as long as voltage is even, that the batteries are working fine. After the last install we did of their batteries, their tech support

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

I recommend the Victron Lynx Power In or the Lynx Distributor. Thank you, Maverick > On Jun 29, 2023, at 6:55 AM, Jason Szumlanski via RE-wrenches > wrote: > >  > Hi all, > > I'm doing my first installation with two 24 kWh Homegrid stacks. They will > feed two Sol-Ark 15k. I'm seeking re

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi Jason, The Sol-Ark 15k has dual battery input terminals so they can be combined right inside. This could be a good option to consider. Thanks On Thu, Jun 29, 2023 at 6:17 AM Maverick Brown via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I recommend the Victron Lynx Power In o

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Thanks, Mac. However, I am also paralleling two Sol-Ark 15k. Since each battery only accepts a single cable lug I believe, I need to make a splice somewhere. Jason Szumlanski Principal Solar Designer | Florida Solar Design Group NABCEP Certified Solar Professional (PVIP) Florida State Certified So

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

I was thinking the Midnite combiner, but it's a very big product for what we're trying to accomplish. I was hoping Polaris type tap connectors might be able to do it. I think this application is going to require a somewhere around 800A calculated minimum circuit ampacity. I'm not quite certain how

Re: [RE-wrenches] Iron Edison Lithium SOC drift

One of my clients had to do this a couple years back, and it did seem to reset the %SOC of each BMS. I however was not able to be there for it due to long travel distance. Iron Edison is no longer in business, so I don't know how much tech support you are going to get Dan Fink Owner, Buckvill

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

FYIThe 12 and 15kw both have dual lugs on positive and negative battery inputs. On Jun 29, 2023, at 6:47 AM, Jason Szumlanski via RE-wrenches wrote:I was thinking the Midnite combiner, but it's a very big product for what we're trying to accomplish. I was hoping Polaris type tap connectors might

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

https://millersolar.com/MillerSolar/Portfolio/Inverters/battery_iinverters/JP_Radian/JP_Radian.html Miller Solar 17395 Oak Road, Atascadero, CA 93422 805-438-5600 www.millersolar.com CA Lic. 773985 *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *J

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Hi Maverick, Per tech support, you need to buss battery output(s) to both input breakers to get the full 275 Amp output. Best regards, Lloyd Lloyd Hoffstatter, M.S. Applied Solar Energy NABCEP Inaugural Certified PV Installer Emeritus Director, Sunstruck Consulting ll...@sunstruckconsulting.com

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Thanks, William. I was thinking that exact same JBX12124 junction box. However, I think for my configuration I can fit everything in a single junction box with two Blue Sea Powerbar 1000 busbars. That might be a compact and cost effective solution. Really appreciate the pics! Jason Szumlanski Pri

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Lloyd, Homegrid makes a busbar to combine the two terminals in the Sol-Ark 15k so it can accept a single 4/0 cable and retain the full output capacity. Apparently, Homegrid is the only battery on the market with the output capacity to do this. https://www.homegridenergy.com/stackd-series

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Note that MidNite now also makes 2000A and 500A versions of their BCB. With two Sol-Ark 15k you do need to use the 1000A version with 275A each inverter. I can also confirm that you do need to use both of the battery terminals in the Sol-Ark 15k for full power, or the Homegrid bus bars that Jason s

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

Morning all You may also want to look at the Victron products. They have a 1000 amp version called the Lynx distributor. Peter Giroux ASAE From: RE-wrenches On Behalf Of Bradley Bassett via RE-wrenches Sent: Thursday, June 29, 2023 10:47 AM To: RE-wrenches Cc: Bradley Bassett S

[RE-wrenches] High current dc combiner vibration

All, I am in the middle of commissioning a 480kwh BP LFP battery bank, connected to -10- OB Radian 8kw inverter/chargers. For the DC combiner I am using midnite 2000 amp combiner boxes, modified to mount class T fuses on the positive bus, for both battery inputs and inverter outputs. For starte

Re: [RE-wrenches] Iron Edison Lithium SOC drift

I have had similar problems with other equipment. fully the battery to top balance and then reset the SOC On Thu, Jun 29, 2023 at 7:04 AM Jeremy Rodriguez via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > We have about 20 units out in service. > All of the batteries SOC readings have

Re: [RE-wrenches] High current dc combiner vibration

You may already know but… Are your DC cables bonded together and twisted where possible to reduce magnetic fields? Higher the current and greater the loop area, the stronger the fields are. More parallel loops, the greater the combined flux = loud Hums. Larry Crutcher Starlight Solar Power Sy

Re: [RE-wrenches] High current dc combiner vibration

Hi all, just a few comments, The inverter charger has a ripple on the DC. All have this; Outback is no exception. However, all wires should be run together, positive and negative same conduit and same hole, as the AC ripple magnetic effects cancel from both wires. Also, the circuit breaker has an

Re: [RE-wrenches] High current dc combiner vibration

The battery cables being close together, twisted too if possible, help reduce cable inductance which can cause voltage drop across those cables at higher currents with 120 Hz ripple. Mainly with low frequency transformer inverter/chargers. It's better to have them closer together than far apa

Re: [RE-wrenches] High current dc combiner vibration

I have not twisted them. It is a lot of Cable as you might imagine and they aren’t paired close together individual inverter to combiner or combiner to battery cabinets, not 100% of the cable lengths anyway, maybe on average 80% On Thu, Jun 29, 2023 at 12:25 PM Starlight wrote: > You may already

Re: [RE-wrenches] High current dc combiner vibration

Good morning all. Seems we’ve all been aware of best practices for keeping DC cables bound together and twisted when possible. Does anyone know why Simpliphi recommends the exact opposite on page 18 of their installation manual? I recall observing this awhile ago and thought it was just somethin

Re: [RE-wrenches] Parallel Homegrid Stack'd Busbar

It looks like the Lynx Power In (without fuses like the Distributor) would work in my application. In fact, it appears it can be accomplished with a single unit, making it a pretty sleek and cost-effective solution. I'll look into that and let you know what direction I went once it's all installed

Re: [RE-wrenches] High current dc combiner vibration

Kirk As the batteries come up to charge does the vibration subside. Are the battery cables spun together "corkscrew like" l have seen this correct DC noise. I have an 8 on 8 just like your 10 and l have no noise at all, mine come in from each side of the battery combiner, how is your install config