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  • Distance from panels to controller

    Hey folks,
    Very new to renewable energy but I catch on quick. I have an outback grid tie now with a wind generator. I have 8 Trojan 6 volt batteries set up as 24 volt, and a charge controller that will manage wind and solar. I just purchased 10 Sharp 240 watt panels and I need to know the best way to wire them and how far from my house I can put them.

    I appreciate the help already....

    panel (800 x 600).jpg

  • #2
    Ok ignore my post in your other thread.
    Is there a way to convert to 48V? It would be easier on the batteries to put them all in series not to mention less voltage drop.
    10 panels will be a challenge for a charge controller using all 10
    Most CC's are limited to 150V with the exception of the Xantrex 80-600. and a few of the outback series will allow 150V + battery voltage.
    If you use the Xantres as above you could put all in series and feed to a 48V battery.
    NABCEP certified Technical Sales Professional

    [URL="http://www.solarpaneltalk.com/showthread.php?5334-Solar-Off-Grid-Battery-Design"]http://www.solarpaneltalk.com/showth...Battery-Design[/URL]

    [URL]http://www.calculator.net/voltage-drop-calculator.html[/URL] (Voltage drop Calculator among others)

    [URL="http://www.gaisma.com"]www.gaisma.com[/URL]

    Comment


    • #3
      Originally posted by Naptown View Post
      Ok ignore my post in your other thread.
      Is there a way to convert to 48V? It would be easier on the batteries to put them all in series not to mention less voltage drop.
      10 panels will be a challenge for a charge controller using all 10
      Most CC's are limited to 150V with the exception of the Xantrex 80-600. and a few of the outback series will allow 150V + battery voltage.
      If you use the Xantres as above you could put all in series and feed to a 48V battery.
      My charge controller can handle 48 volt for sure, 440 amp up to 10k watt

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      • #4
        You cannot put the solar on the same charge controller as the wind turbine. they must be separate. Both however can connect to a common battery bank.
        NABCEP certified Technical Sales Professional

        [URL="http://www.solarpaneltalk.com/showthread.php?5334-Solar-Off-Grid-Battery-Design"]http://www.solarpaneltalk.com/showth...Battery-Design[/URL]

        [URL]http://www.calculator.net/voltage-drop-calculator.html[/URL] (Voltage drop Calculator among others)

        [URL="http://www.gaisma.com"]www.gaisma.com[/URL]

        Comment


        • #5
          Since you do not have a real charge controller, and the panels have a Vmp of 38 volts you are forced operating on a 24 volt battery you must wire all the panels in parallel. But we already covered this in your other thread so no since discussing it any further.
          MSEE, PE

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