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Charging 48v bank with 12v panels + inverter

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  • Charging 48v bank with 12v panels + inverter

    Charging 48v bank with 12v panels and dummy battery + dc-ac inverter + ac charger during peak hours:

    There is a guy who claims that this is effective:

    Quote:
    This research aims to design a battery charging system using an inverter as a provider of electrical energy in the Electric Bicycle, find out the performance and effectiveness of charging the battery using an inverter compared with the system that has been installed.

    The method used in this research is Research and Development by developing battery charging system using inverter on commercial electric bike (SLN) that hasbeen made. The results showed that charging the commercial Electric Bicycle has a more effective value and faster battery charging process using an inverter in a 300wp solar panel that is used as its main energy supply.

    The battery charging system using an inverter as a provider of electrical energy in the SLN takes 10,182 hours to charge 48 volts to full. So the process of charging the battery using an inverter is more effective than the system that has been previously installed with a ratio of charging the battery of 1: 2.94 or three times more effective than the previous system.

    -endquote-

    Am I missing something...??
    Last edited by GeorgeF; 07-31-2020, 01:15 AM.

  • #2
    Far too many energy loosing conversion steps, when you consider a MPPT controller is in the 98% efficient ballpark,
    Adding motor, bicycle bearings, inverter and more junk will only make it worse
    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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