Warning Beginner!! - 3KVA Solar Inverter overloading even though 'Bypass' is displayed

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Comments

  • EstragonEstragon Registered Users Posts: 3,043 ✭✭✭✭✭
    @mcgivor

    You may be right. There isn't much wire showing, and colours don't always show properly online, so it's hard to tell.

    Just mentioning it as it would sort of fit the symptoms of working for a while and then not. Also could be dangerous if not fixed.
    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
  • westbranchwestbranch Solar Expert Posts: 5,114 ✭✭✭✭
    mcgivor,  I use Ctrl plus the + or - key to zoom in and out
     
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  • mbladenmbladen Registered Users Posts: 20 ✭✭
    Here she is working again at full pace (2kW load) which I have running for small periods during the day to sink what would be unused energy into. this is a manual process automated with smart plugs

    Just a recap on the great comments

    1. Get rid of the white inner lining of the cable 
    2. The Cable is DIN EN 60 228 Class 5 Tinned Copper

    so I think the cable is fine yes (after ive stripped the crappy white lining, 

    Thanks once again

    Marc

  • mbladenmbladen Registered Users Posts: 20 ✭✭
    Here is the connection spec from the manual it does say leave the white lining on? what do you guys reckon?


  • EstragonEstragon Registered Users Posts: 3,043 ✭✭✭✭✭
    Tinned copper wire is fine.

    I don't know about leaving the white sheathing on. 3mm of exposed surface seems like not much to me. It wouldn't take much of a wiggle sticking the wire in while screwing it down to get a wonky connection. I don't see where it explicitly says to leave inner sheathing on, but the diagram sort of implies that.

    You might be able to tell by the shape of the metal mating surface inside the connector. It looks like a screw down curved plate/jaw sort of thing.
    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
  • mbladenmbladen Registered Users Posts: 20 ✭✭
    Yes its implied rather than stated, I'll take it back out and see if I can get a photo of the mechanism, its too Awkward to just look.


  • mike95490mike95490 Solar Expert Posts: 8,030 ✭✭✭✭
    Bare 10mm of wire,   Leave a 3mm gap so you dont push it too far through and short something on the other side.
    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

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  • mbladenmbladen Registered Users Posts: 20 ✭✭
    Mike, Sounds like a plan, I suppose the diagram could also be interpreted that way. Thanks for the advice
  • mbladenmbladen Registered Users Posts: 20 ✭✭
    edited April 2017 #40
    Stripped back the cable and then re-inserted leaving a 3mm gap at the top, Everything as normal fingers crossed that this is indeed what the problem was and that we have no further repeat :-)
  • mcgivormcgivor Solar Expert Posts: 2,423 ✭✭✭✭✭
    Good to hear you're back in business, not all cables have this inner plastic wrap, seemed strange,the 3 mm bit but as long as everything is working, that's a good thing.
    1500W, 6× Schutten 250W Poly panels , Schneider MPPT 60 150 CC, Schneider SW 2524 inverter, 400Ah LFP 24V nominal battery bank 
    900W  3 × 300W No name brand Poly panels, Morningstar TS 60 PWM controller, no name 2000W inverter 400Ah FLA 24V nominal as a backup system. 
    5Kw Yanmar clone single cylinder air cooled diesel generator for rare emergencies and welding.
  • andersondiazandersondiaz Registered Users Posts: 22 ✭✭
    edited February 19 #42
    mbladen dijo:
    Se quitó el cable y luego se volvió a insertar, dejando un espacio de 3 mm en la parte superior. Todo, como dedos normales, cruzó que de hecho ese era el problema y que ya no tenemos que repetirlo :-)

    Hola, ¿puedes decirme si has tenido problemas con el inversor?
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