Synchronising an inverter/charger with a generator

jeshuron
jeshuron Registered Users Posts: 4 ✭
in Solar Beginners Corner #1
Can anyone provide a simple guide to synchronising a generator with a Xantrex inverter/charger? Any help would be appreciated.


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  • BB.
    BB. Super Moderators, Administrators Posts: 33,637 admin
    #2
    What do you mean by "synchronization"? Modern AC inverter-chargers with AC1 and AC2 (genset) inputs generally take care of synchronization themselves (or "don't care"--Depends on the inverter's specifications/actual operating modes).

    If you are asking about acceptable voltage and frequency ranges for the genset output vs the AC inverter-charger's input--That is something else.

    -Bill
    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
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  • Photowhit
    Photowhit Solar Expert Posts: 6,006 ✭✭✭✭✭
    edited January 2020 #3
    You don't sync them, They work  independent as I understand it.  No increase in capacity,  the AC run into the inverter/charger handles loads and the inverter/charger will charge the batteries  or  the inverter works independently to provide the power needs.
    Home system 4000 watt (Evergreen) array standing, with 2 Midnite Classic Lites,  Midnite E-panel, Magnum MS4024, Prosine 1800(now backup) and Exeltech 1100(former backup...lol), 660 ah 24v Forklift battery(now 10 years old). Off grid for 20 years (if I include 8 months on a bicycle).
    - Assorted other systems, pieces and to many panels in the closet to not do more projects.
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  • Estragon
    Estragon Registered Users Posts: 4,496 ✭✭✭✭✭
    #4
    It may also help to know details of the generator and inverter models.
    Off-grid.  
    Main daytime system ~4kw panels into 2xMNClassic150 370ah 48v bank 2xOutback 3548 inverter 120v + 240v autotransformer
    Night system ~1kw panels into 1xMNClassic150 700ah 12v bank morningstar 300w inverter
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  • mike95490
    mike95490 Solar Expert Posts: 9,583 ✭✭✭✭✭
    #5
    My XW6048, syncs itself to the generator as it's qualifying it.  When it's synced, it connects and passes power on thru to the loads, and if there is excess generator capacity, it is used to charge batteries.   If a large load comes online, the battery charging cuts back, and if a really large load occurs, the inverter will kick on and assist the generator, and then go back to charging batteries.
     You have to program EVERYTHING properly for this to work .   And it works well
    When I am running the generator, I can tell by the loading sound, if it's charging, or assisting, and when the blow dryer shuts off !
    Powerfab top of pole PV mount | 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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