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BLDC Spice model?

Discussion in 'Electronic Design' started by Fred Bartoli, Aug 23, 2007.

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  1. Fred Bartoli

    Fred Bartoli Guest

    Le Thu, 23 Aug 2007 08:38:33 -0500, Spehro Pefhany a écrit:
    I'd expect it to be the same as a regular PM DC motor: windings
    commutation is just not done with brushes but otherwise I can't see any
    difference.
     
  2. Anyone have a decent Spice model for a BLDC motor?

    I see a bunch of IEEE papers and some commercial products on the net,
    but nothing freely available.

    Thanks!


    Best regards,
    Spehro Pefhany
     
  3. I'd like to be able to model, for example, the difference in torque
    ripple for sinusoidal vs. trapezoidal commutation, and accurately
    model the waveforms at the driving semiconductors. I don't think a DC
    motor model will work for that.


    Best regards,
    Spehro Pefhany
     
  4. Rich Grise

    Rich Grise Guest

    I'd like to be able to model, for example, the difference in torque
    ripple for sinusoidal vs. trapezoidal commutation, and accurately
    model the waveforms at the driving semiconductors. I don't think a DC
    motor model will work for that.[/QUOTE]

    If it's never been done, might you have to *GASP* _MEASURE_ one? ;-)

    Cheers!
    Rich
     
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