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demand from 220 to 3 v

Discussion in 'General Electronics Discussion' started by asto, Aug 27, 2010.

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  1. asto

    asto

    1
    0
    Aug 27, 2010
    hi

    i ask for circuit

    change 220 v ac to 3 v dc 80 a
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,386
    2,772
    Jan 21, 2010
    well, you could put a 3.8 ohm resistor in series with a diode. The output would have a lot of ripple and the resistor would need to be rated for about 30kW.

    I think you need to be a little more specific about what this is for, or define the line/load regulation and ripple allowable.

    It's a non-trivial request.
     
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