array

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  1. N

    Shading issues on PV array

    Evening all I work for a firm in Kent installing PV systems on mainly domestic properties. We have just finished installing a 1.8kw system. The problem is that there are major issues with shading from the neighbours roof. The sun only comes out from behind the roof fully at around 3 o'clock...
  2. D

    Insulation test solar array

    Chaps, day after tomorrow I need to do my first insulation test on a PV array. It's roof mounted & class II, so the frame is not bonded. I use a Megger Tester. Am I right in thinking I plug the whole string togethor then put one of the tester's probes into the DC positive plug and the other on...
  3. D

    Adding PV array into existing circuit?

    Hi all, Do you have any thoughts on hooking a PV array's inverter onto an existing circuit, say a ring final? Obvioulsy as long as the cable was good (2.5mm for instance) I wonder what issues there are with doing that.. Cheers for any replies!
  4. G

    Pv array test calculation excel sheet

    Guys This might help you!!!! if the file attaches with the formulas!!!! Just enter the Isc and Voc and it will calculate the final Isc at the correct radiance. Let me know if it works. The file won't attach for some reason ( bl---dy computers. I will send it via your email If you PM me with...
  5. D

    Soalr PV Array test help

    I have my MCS assesment booked in 3 days and I need some help with the testing on the DC side, We did not perform the tests and I need some rough figures for Voc and Isc string test and also the Array insulation Resistance Pos- Earth and Neg-Earth. Any help would be much appreciated Thanks Dan
  6. D

    MCS Array test help

    I have my MCS assesment booked in 3 days and I need some help with the testing on the DC side, We did not perform the tests and I need some rough figures for Voc and Isc string test and also the Array insulation Resistance Pos- Earth and Neg-Earth. Any help would be much appreciated Thanks Dan
  7. A

    PV Array testing help

    I am slightly unsure about some of the tests on the DC side of my PV installation. I can fill out Voc (stc) and measure it in the string test too. Insulation resistance is no problem. My current short circuit string test Isc reads 0.99A. This seems low to me, any ideas? The DTi guide also gives...
  8. G

    Mains switch array

    Hey there, watch out - newbie here :). All I really want is a nice, compact array of switches that I can mount on my tv wall mount to be able to individually power the different devices (tv, ps3, computer, etc). Four switches would be ok but 6 preferable (so I have two spare). All I can find is...
    • GetFrodo
    • Thread
    • array aus mains switch
    • Replies: 3
    • Forum: Australia
  9. J

    Help Needed. 16 x 16 LED array.

    Hello, I'm new to DIY electronics and I would be EXTREMELY grateful if someone could help me by answering the following: 1. I would like to set up a 17 x 16 bulb LED array on a piece of Veroboard. The bulbs are 5mm. 204 red (655nm) and 68 Blue (485nm). This will eventually be a 14 Watt, 120...
    • jimgranger62
    • Thread
    • array black canada help led needed resistors
    • Replies: 2
    • Forum: Canada

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