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# [FEMM] Three-phase-current

- To: FEMM <femm@list.foster-miller.net>
- Subject: [FEMM] Three-phase-current
- From: Santiago Salamanca <santiago@salamanca.de>
- Date: Fri, 19 Mar 2004 15:16:04 +0100
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    Hi, everyone.
    Dear Dr. David Meeker,

    By a three-phase-current with 3 coils, the phases differ at 120°
    towards
    each other.

    The program FEMM define as circuit property the circuit current
    Amps from each coil.
    This is very difficult, because only the VOLTAGE are knowed!
    Par example:

    Coil 1  U1= 100*cos.0° +j100*sin.0° =100+j.0   Volt
    Coil 2  U2=-100*cos.60°+j100*sin.60°=-50+j86.6 Volt
    Coil 3  U3=-100*cos.60°-j100*sin.60°=-50-j86.6 Volt

    I think, is it better that FEMM define the current or either the
    voltage, also 2 variants
    FEMM version 4.0 define now "electrostatics" or "magnetics"
    problem !!

    Thank you

    Santiago Salamanca

Attachment: `three-~1.fem`
Description: Binary data

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