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# Re: [femm] How to simulate a short circuit on a few turns to get the leakage inductance when very bad coupling.

- To: femm@yahoogroups.com
- Subject: Re: [femm] How to simulate a short circuit on a few turns to get the leakage inductance when very bad coupling.
- From: Santiago Salamanca <santiago@salamanca.de>
- Date: Tue, 31 Dec 2002 12:40:39 +0100
- References: <20021230190747.44049.qmail@web14607.mail.yahoo.com>

    Hallo John Fox
    I think the "plot" is better with Testi2.FEM and Testv2.FEM

    Regards and a HAYPPY NEW 2003!

    Santiago Salamanca

    john fox schrieb am 30.12.2002:
    >Hello every body and happy new year !
    >
    >I did not get any answer from my last question on this
    >subject .
    >
    >So attached two examples at 25Khrz.
    >
    > The geometry is the same
    >Input= 7 turns with one amps each.
    >Output= 4 turns that I want to put on short circuit .
    >How to do that ! Help !
    >
    >I have made a first test TESTV.FEM with Voltage=0 .
    >Not good the current is not the same in each turn. It
    >looks like each turns are individually shorted and not
    >the for 4 turns from one point to another.
    >I have made a second test TESTI.FEM with -1A in each
    >turn. It looks better ! but it is only a guess . I
    >have taken the global current from TestV for the 4
    >wires and divided by 4 which conduct to -1A.
    >
    >So , I need help and advise. How to proceed to be sure
    >of the result in order to have leakage inductance +
    >skin effect losses in the wires!
    >
    >
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Attachment: `testi2.fem`
Description: Binary data

Attachment: `testv2.fem`
Description: Binary data

- References:
  - How to simulate a short circuit on a few turns to get the leakage inductance when very bad coupling.
    - From: john fox <jire602000@yahoo.com>

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