Can I use a flyback transformer in a forward topology?

Discussion in 'General Electronics Chat' started by spidermanIIII, Nov 21, 2015.

  1. spidermanIIII

    Thread Starter Member

    Nov 22, 2013
    76
    0
    hi, I want to ask if there is a way can i use to make flyback transformer in a forward topology?
     
  2. Hypatia's Protege

    Distinguished Member

    Mar 1, 2015
    2,778
    1,209
    Succinctly, Yes --- Howbeit you may wish to remove the 'air gap' (i.e. reluctance) spacers:)

    Best regards
    HP
     
  3. Aleph(0)

    Member

    Mar 14, 2015
    341
    321
    Sry question is oxymoron:confused: Is either forward transfer or flyback can't have it both ways! If mean to repurpose transformer designed for fb service to forward transfer topology then like HP says close quality spoilers then it works well as just regular ferrite transformer:D
     
    Hypatia's Protege likes this.
  4. ian field

    Distinguished Member

    Oct 27, 2012
    4,412
    782
    The big hurdle is the reverse voltage rating of your rectifier - it still has to withstand the flyback peaks, which will probably be even bigger still because you have to increase secondary turns for a worthwhile output voltage.

    Once or twice I've *ALSO* rectified the forward voltage to augment the total voltage even by a small amount.
     
  5. Hypatia's Protege

    Distinguished Member

    Mar 1, 2015
    2,778
    1,209
    It is my impression is that the OP wishes to operate (i.e. excite/drive) the transformer in a forward transfer topology -- in which case there will be no 'flyback' pulses/'free wheeling' currents... That said, acceptable reluctance requires reduction/elimination of the gap{s}...

    Best regards
    HP
     
    Last edited: Nov 22, 2015
  6. AnalogKid

    Distinguished Member

    Aug 1, 2013
    4,515
    1,246
    At some level, a transformer is a transformer. With a fuly isolated primary and secondary, the same part can work in either topology. However, it might be very efficient in one and suck in the other.

    ak
     
    Last edited: Nov 22, 2015
    Hypatia's Protege likes this.
Loading...