Older Fronius/Sunpower transformer inverters...

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  • Dsspro
    Member
    • Mar 2017
    • 56
    #1

    Older Fronius/Sunpower transformer inverters...

    Well my install went great on the garage, had the power company sign off today and put in the new meter... just wish it would stop raining.

    I'm now tempted to put 4kw on the roof and saw the older SunPower IG series fronius for about 40% of what the new Primo inverters run.

    By going this route what am I giving up besides maybe a % of efficency?

    Thanks guys,
    Aren
    Tags: None
    • Mike90250
      Moderator
      • May 2009
      • 16020
      #2
      a life free of hernia. Good isolation from Grid to PV array via that heavy transformer.
      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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        • Dsspro
          Member
          • Mar 2017
          • 56
          #3
          Thanks Mike,

          Man I wish I would have seen the ad before I ordered my other system. I got a good deal on my inverter but could have saved another $1400 vs doing the older one.

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