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Information what is it and will it work/operate

Discussion in 'Photovoltaics' started by Haymaker007, Apr 24, 2004.

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  1. Haymaker007

    Haymaker007 Guest

    Someone gave me a damaged panel which I have some but little idea about it
    and would like clarification.

    On the back it is identified as manufactured by Solarex with a faded
    description as 2-AM 1.5 cell T 25o C. The junction box has six
    wiring terminals, 3 positive and 3 negative each one using one for the input
    current. This seems to be a composite product that is to say solar
    film/cell fused with plastic cover, it measures roughly 17x20.

    It has sustained some damage to the front from vandals by a rock or pellet
    but I cannot see any breaks in the connectors or the filament running
    through the panel and it was in use until replaced. I would like to use it
    to power some small fans to keep the air between my greenhouse covers
    inflated (not a lot of air) and think this would do the job in daylight.

    However when I put my voltmeter or other measurement to the terminal in
    bright sunlight I do not get any readings, suggestions or information is

    Thanks from the North where the sun always shines.
  2. Steve Spence

    Steve Spence Guest

  3. ....

    It's probably broken.

    Since it's got six terminal blocks this indicates that the array is
    likely segmented into sections. This means you essentially have two or
    more solar panels wired in series one to the other and they are all
    under one sheet of glass. It may be that only one of those segments
    is not working. You could try measuring the voltage across each of
    the plus/minus terminals individually. You can then rewire the terminal
    block appropriately (short across and bypass the dead segment). If
    it works you will likely reduce the panels voltage. I.e. if it was
    a 12V panel and you bypass half of it you'll have a 6V panel.

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