Dumping PV into PTC heating elements

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  • Mike90250
    Moderator
    • May 2009
    • 16020

    #16
    You will have to split the array to two 8Kw arrays. Multiple MPPT on one array will fight each other for control, and reduce your output.
    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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    • moosemaster
      Junior Member
      • Jun 2020
      • 8

      #17
      Thanks Mike!

      I think the 8kW inverters are actually made up of two MPPTs, so I would have to split the 16kW into 4kW. The inverters are designed to work in parallel. Let me know if I've missed something.

      On a separate note, these are very cool and might be good to throw into the mix - just not sure how to!

      MPPT controllers for connecting PV direct to heating elements: https://www.polskieprzetwornice.pl/skle ... -3500w-pro

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