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Saturation in driver transformer

Discussion in 'General Electronics Discussion' started by CALCOM, May 6, 2011.

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    May 6, 2011
    we are using T-10 ferrite core with Al value 1900nH. We have made 12&2 turns on it. do the inductance index changes with 12 turns. do the core operates in saturation with 12 turns?

    pls help me out:confused:
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    Jan 21, 2010
    Saturation of a core does not simply happen with too many turns.

    You saturate a core when the magnetic flux exceeds a certain value. The magnetic flux is dependant on the number of turns and the current.

    The maximum flux is dependant on the material the core is made of, and its cross sectional area.


    May 6, 2011
    Actully i am facing the problem in my driver transformer that i am using in my electronic ballast.

    it has 12,2,2 turns. it is T-CORE with al value=1900 +-30%nh.

    now the Al value that i should get is different with 2 turns&12 turns. do the al value changes?

    and which is better, whether to measure the inductance at 2 turns or 12 turns?
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