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Need help with DIY panels, only getting half power

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  • #16
    without glass and encapsulation i checked solar cells Voc and Open-circuit Current and I got Aprox 13volt and Open-circuit Current april in 7Amp and march in 8.34Amp.

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    • #17
      Here temperature is normal 40 to 50 degree Celsius and here solar panel highest efficiency 15% and after 3 year getting solar cell micro cracks and solar cell snail trails.dear my solar panel work in uv 360nm and stable in uv and support full spectrum like 300nm to 1100nm and market based solar panel not support uv if they allow then solar cell will be burn or black spot.eva encapsulation not support uv360nm light.you can check any EVA encapsulation sheet and yellowing after some time but silicone not yellow and life 50 year aprox.

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      • #18
        so you are telling me how it all works, yet you want help making it work ?

        There are bazillions of solar panels using EVA, in the sun for 10+ years and no degradation.
        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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        • #19
          jflorey2 help me that why you invest 500$ for only solar cell and he is saying that in 500$ you can buy full finised solar panel.in short this is not for you.

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          • #20
            correction new complete solar panel

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            • #21
              As I told here i am new and i wanted to reply only jflorey2

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              • #22
                Mike90250 please help i could not find where is problem?i am using esmart3 40amp solar controller.

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                • #23
                  Originally posted by gaurav View Post
                  Mike90250 please help i could not find where is problem?i am using esmart3 40amp solar controller.
                  Clip the blue wire.

                  To find a problem in a DIY PV panel, you go over your schematics, test rows of cells, and follow the directions given in the kit. No kit, no problem. Take a couple electronics classes and learn how solar panels work, and then you will know enough to trouble shoot your own work.

                  It's impossible for me to instruct you how to trouble shoot your homebuilt PV panel. You have to use electronics theory, and start testing, which is way beyond the scope of what I am able to do, long distance.
                  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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