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  • Already planning upgrades: Advice requested from the experts!

    Want to first thank a bunch of guys over on my other thread I started...

    ButchDeal
    Mike90250
    J.P.M.
    goodoleme



    These guys were incredibly helpful, and if you are ever in northern VA let me know so I can take you out for a beer!

    I didn't want my original thread to segue into a different topic so I decided to start a new one.

    My solar installation company seems to have basically sold me a system, undersized, and with no room for growth, so upgrades are in the works!

    I have a 7.2kw solar array, with an XW+6848, and 2 MPPT 60-150. (All Schneider gear)

    the battery bank they recommended was 1/2 the bare minimum required, and after goodolme broke down the numbers the CCs aren't adequate either.

    I wanted to add more panels come next spring, but I'm not sure if I can without getting another inverter. I was planning on getting 4 more panels which would be another 1.2kw (4 x 300w Hanwha Q-Cells to stay uniform) but that would in theory put me over the inverters max capability. I was reading up on "Stacking" inverters and general rule is like with anything else, get the same of what you have. All this sound about right to you experts?


  • #2
    Originally posted by DickyDck View Post
    Want to first thank a bunch of guys over on my other thread I started...

    ButchDeal
    Mike90250
    J.P.M.
    goodoleme

    These guys were incredibly helpful, and if you are ever in northern VA let me know so I can take you out for a beer!
    I think the only thing I did on that thread was bust neweclipse's onions about low buck being the only criterion most folks use when buying durable goods. But I'm planning on being in VA - D.C., Shenandoah Valley, Williamsburg, etc., maybe in the spring. The beer is out but the sentiment is appreciated. Too bad I took the pledge in 1982 or 1983. (Can't remember which as I was drunk most of those years.)

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    • #3
      A coke soda and a steak can be substituted I actually live in what can be considered the "Shenandoah Valley" near the Winchester area

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      • #4
        Originally posted by DickyDck View Post
        A coke soda and a steak can be substituted I actually live in what can be considered the "Shenandoah Valley" near the Winchester area
        I dont need a drink or steak but if you come to Shepherdstown WV ( close by) look me up around town. My system is Outback power but similar.
        Last edited by ButchDeal; 11-04-2018, 05:48 PM.
        OutBack FP1 w/ CS6P-250P http://bit.ly/1Sg5VNH

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        • #5
          Originally posted by DickyDck View Post
          A coke soda and a steak can be substituted I actually live in what can be considered the "Shenandoah Valley" near the Winchester area
          If I was to live elsewhere from where I am, I'd be in the Shenandoah Valley. About as pretty a place as exists on this planet, especially in the spring.

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          • #6
            Doubt I'll ever find myself in VA, but thanks for the offer. be sure you have a decent generator that can keep your batteries charged up this winter,
            bulk the batteries in the AM, and let the solar top them off 11am -2pm
            Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
            || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
            || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

            solar: http://tinyurl.com/LMR-Solar
            gen: http://tinyurl.com/LMR-Lister

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            • #7
              Originally posted by ButchDeal View Post
              I dont need a drink or steak but if you come to Sheoherdstown WV ( close by) look me up around town. My system is Outback power but similar.
              Well you might need a drink to drown your sorrows come 11-23 when we send the Sooners to spank Mountaineers on their home field.

              MSEE, PE

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              • #8
                I don't know when I will ever be in VA, but if you come down to FL and want to grab a drink and steak im down! Thanks for saying thank you in the way you did!

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                • #9
                  LOL, we got sidetracked on places to grab dinner

                  Back to the subject at hand, my research points to "possibly" needed another inverter. I already am planning another Charge Controller (still debating on HVCC or just another 60-150) what are my options on a CC? I'd like to stick with Schneider to keep everything the same make/brand but it seems like another 6848 would be overkill, but would allow for more panels down the line. Does anyone know if I can stack 2 6848s? would they just then split the load from the incoming current from what would be 28 panels, maybe 32 since they left me enough pole room on both sides for 4 on each side.

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                  • #10
                    You can go up to 100KW with the 6848s. I would keep everything Schneider, when the inverter is in grid support mode it needs to communicate with the ccs via the Xanbus. I would not get another XW before I got a 440+ah bat-bank and HVCCs and I would not do 3 60-150s over 2 80-600s. Did you get the PDPs (Power Distribution Panel) with your setup?

                    Take Care,
                    Neil

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                    • #11
                      Let me google what a PDP looks like, but I don't see it on my estimate so I doubt it. They did put in a separate critical loads panel, but I am pretty sure that's not what you are referring to?

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                      • #12
                        OK, so yes there is the PDP there, right under the inverter, there is only one though and you asked about PDPs plural, should there be more?

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