MSW inverter runs an AC well pump

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  • fivewin
    Junior Member
    • Aug 2016
    • 203
    #1

    MSW inverter runs an AC well pump

    Many people in the country where I am can only afford mod sinewave inverter. In areas with frequent poweroutages they want to use this inverter. Suppose 4 x a week they use the pump 15 minutes per poweroutage with the inverter, total thus only one hour per week.

    will this effect the lifetime of the pump?. I myself tested a pump with msw inverter 1000w and it runs.
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    Last edited by fivewin; 03-06-2018, 11:29 PM.
    Tags: None
    • Mike90250
      Moderator
      • May 2009
      • 16020
      #2
      MSW will indeed run a motor, but it will make the motor run 10-20% hotter than normal. Heat shortens the lifetime of many things.

      What's cheaper, a proper inverter, or replacement motor?
      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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