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3 input automatic power supply

Discussion in 'Power Electronics' started by donkey, May 7, 2013.

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  1. donkey

    donkey

    1,293
    56
    Feb 26, 2011
    Hey I am after a design for my solar setup. I want to have the battery powered by either solar or wind when its available and if not then mains power. of course I want to go with a overcharge protection and minimum voltage protection.
    I was thinking the easiest way was a microcontroller but thought I would ask before going head deep into it to see if anyone has any other ideas of how to approach this on the cheap
     
  2. GreenGiant

    GreenGiant

    842
    6
    Feb 9, 2012
    my first thoughts are diodes, it could charge from either source without the risk of barckcharging the other, overvoltage Im not sure, but undervoltage just throw a zener in there or a few in line to get the voltage drop of the lowest you safely can
     
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