Connection diagram for PV Grid Connected System with Generator

nthamizhnthamizh Registered Users Posts: 10
We are going to put a 20KW Grid Connected PV System in a resort where there is a Generator for Backup which is 40KVA. Please let me know
(a) Connection diagram, if we DO NOT want to produce the power from PV when the Generator is running
(b) Connection diagram, if we want to produce the power from PV when the Generator is running

Thanks,
Arasan

Comments

  • mike95490mike95490 Solar Expert Posts: 9,022 ✭✭✭✭✭
    Why would you run the genset while the sun is shining and the grid connected ? Most of the time, the manuals for the gear, have varied sets of connection diagrams, and I would start there.
    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 ,

  • verdigoverdigo Solar Expert Posts: 428 ✭✭
    Take a look at some of the online installation manuals for the various inverters that allow for generator support and you will find that these have detailed diagrams and schematics.

    To supplement the grid with PV you will need to look at grid interactive inverters. These will do exactly what you are planning.

     
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