Tiny solar off grid cabin Northern Michigan

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  • Mike90250
    Moderator
    • May 2009
    • 16020
    #16
    Only one generator can be running at a time, unless you have a pair of inverter generators with a bridge/sync cable.
    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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      • jflorey2
        Solar Fanatic
        • Aug 2015
        • 2331
        #17
        Originally posted by tverdok
        Q3. Considering I have two wind turds and won't sell them to some unknown fool on principle. Is it possible to wire two 24 volt 400 watt DC turbines in parallel to get 48 volt to the battery bank? And Would that be enough voltage to charge 48volt bank?
        It would have to be in series and even then you'd have trouble unless they were running at precisely the same speed.
        Q4. I know that Outback CC support two wire start generators, while the Magnum 4440 PAE support three start generators. Is it theoretically possible to take two generators, and connect them both to the system: a DC generator to the Outback CC and AC to the Magnum Inverter? Does it make sense to do so?
        Yes. If one generator is DC it can connect to the battery pack directly (provided voltages work out of course.) You may be able to use the Outback to step DOWN voltages if you want; it won't step up. Make sure you do not exceed the max charge rate on your battery.

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          • tverdok
            Junior Member
            • May 2017
            • 14
            #18
            jflorey2

            Originally posted by jflorey2
            It would have to be in series and even then you'd have trouble unless they were running at precisely the same speed.
            Is this inaccurate then? http://www.hydrogenappliances.com/Parallelcharging.html


            Attached Files
            Last edited by tverdok; 05-09-2017, 02:33 PM.

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              • jflorey2
                Solar Fanatic
                • Aug 2015
                • 2331
                #19
                Originally posted by tverdok
                Is this inaccurate then?
                Yes. Your battery bank will quickly become unbalanced. You will either need an active balancer (which have problems of their own) or need to do a lot of equalize charging to rebalance the pack. And of course if you have the power to do lots of equalize charging you don't need the wind turbines.

                BTW there are some very erroneous schematics on that page. I'd avoid it in the future.

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