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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.



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
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Attachment: testv2.fem
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