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Power factor correction on a Microcontroller (8-bit)

Discussion in 'Electronic Design' started by John, May 17, 2005.

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  1. John

    John Guest

    Power factor correction on a Microcontroller (8-bit)

    For school project I write a report about the posibility to
    implement PFC on a 8-bit microcontroller. Could any from
    you provide me information, or an example project
    how to do this ??


  2. Ian Stirling

    Ian Stirling Guest

    What do you mean?
    Do you mean using it to drive a PFC correction unit of some sort?
  3. John

    John Guest

    No, i don´t want to drive a PFC chip. I wan´t to implement the
    algorithm of PFC in a Micro controller.
  4. Luhan Monat

    Luhan Monat Guest

    Same question, what does that mean? The algorithm is just a
    computation, what are planning to do with the result?
  5. John

    John Guest

    to drive a motor
    With the result i want(<40 Watt)
  6. John

    John Guest

    With the result i want to drive a motor(<40 Watt)
  7. Rich Grise

    Rich Grise Guest

    Do you even know what power factor correction is? You have to determine
    if you have a leading or lagging power factor, and introduce an equal
    and opposite reactance to bring it back to unity.

    How you'd apply a microcontroller to that is, of course, left as an
    exercise for the student. ;-P

  8. Paul Burke

    Paul Burke Guest

    Well the input pins are about 5pF each, so you could parallel a few..

    Paul Burke
  9. And?? A resonant circuit can do it - with a little feedback help.
    But the student said "motor", which (as a load) is inductive, so it is
    easier then.
    The student may wish to read: Kjeld Torborg "Power Electronics in Theory and
    Practice", ISBN 91-44-38091-7.
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