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24v inverter choice for 1050w array

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  • 24v inverter choice for 1050w array


    I live in Southern California Desert. Once again it was 120 degrees yesterday and today will be the same. I'm looking for a 24v paw inverter, that will match with 1050w array, Epever 40amp MPPT CC., and last 6x12v in series for 24v battery bank at 708ahs. Having no luck in finding an inverter with good efficiency and output voltage in this heat. Any input is welcomed. Except moving.
    Thanks guys. Late.
    Dayrobber6264.

  • #2
    Dayrobber6264 again. I'm only running a mini fridge at 97w and a couple fans for now until this inverter situation is done. Future required of this inverter will be AC window unit, chest freezer and fridge.
    Last edited by Dayrobber; 08-01-2020, 01:15 PM. Reason: My identity

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    • #3
      Long term you may want to consider a 48 volt system which might be able to handle your future loads more efficiently. It could be the first step in the right direction instead of the last step in the wrong direction.
      9 kW solar. Driving EVs since 2012

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      • #4
        The problem of sizing an inverter to handle large inrush loads like an A/C unit or fridge is that they tend to be oversized for the battery system and can quickly drain it.

        I found a number of 24v inverters on google but I do not have any experience with most of them. I have a 12V 600w Xantrex unit and it has worked very well for me. I have also heard that Samlex inverters are pretty good. Both are expensive but are of high quality.

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        • #5
          My input - buy and replace several small inverters, or go big time with the SW 4024 120/240 – 865-4024
          It can handle the heat and surge loads, but not suck the battery down when idle.

          It may need something to program it the SCP or a Gateway (from schneider electric)
          https://www.amazon.com/Schneider-Con...6305845&sr=8-1


          With those loads you list, a 48V system is likely more suited, again
          schneider has 48V versions of home "able" inverters.
          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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          • #6
            Thanks mike90250. When we talked last summer. I was convinced to step up to 24v system. I'm of grid in the desert. I have $400 for this inverter. I can't makes mistake. The AC is a next summer thought. The fridge only takes 100w. I'm looking for at least a 2500w or 3000 psw with at least 80% 90% efficiency.

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            • #7
              I don't know of a way to do that for $400. Maybe look at some of the Victron inverters. I got a nice 900w 24v unit that works well at 95F ambient
              https://www.victronenergy.com/inverters
              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

              Comment


              • #8
                Originally posted by SunEagle View Post
                The problem of sizing an inverter to handle large inrush loads like an A/C unit or fridge is that they tend to be oversized for the battery system and can quickly drain it.

                I found a number of 24v inverters on google but I do not have any experience with most of them. I have a 12V 600w Xantrex unit and it has worked very well for me. I have also heard that Samlex inverters are pretty good. Both are expensive but are of high quality.
                I am using Xantrex. Glad it worked well

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