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# induction motor and impedance boundary condition

- To: femm@yahoogroups.com
- Subject: induction motor and impedance boundary condition
- From: smaïl mezani <s_mezani@yahoo.fr>
- Date: Thu, 30 May 2002 15:12:23 +0200 (CEST)
- In-reply-to: <3CEBA771.4010608@ieee.org>

    Hello everybody,

    I am trying to calculate an induction motor at high
    frequency so that the skin depth in the cage bars is
    very small.
    The idea is to use an impedance boundary condition in
    the interface air-bar and to replace the real
    conductivity of the bar by zero. In so doing, I think
    that we can't remove the rotor slots because of the
    presence of the iron with no infinite permeability
    (the lines of the magnetic vector potential A can pass
    through the slots). So, is this correct?

    Thank you for any comment or suggestions for articles
    or books dealing with this problem.

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- References:
  - Re: [femm] Re: Torque calculation (2)
    - From: David Meeker <dmeeker@ieee.org>

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