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RE: Modeling E-Fields of Tesla Coil - Building a model

Original poster: "Godfrey Loudner" <ggreen-at-gwtc-dot-net> 

Hello Dan

Comment interspersed below.

Godfrey Loudner

-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Thursday, June 03, 2004 5:32 PM
To: tesla-at-pupman-dot-com
Subject: Modeling E-Fields of Tesla Coil - Building a model

Original poster: "Eastern Voltage Research Corporation"

I have ANSOFT's Maxwell 2D and 3D program which can do both
magnetostatic and electrostatic modeling. Just had a few questions for
how to properly model a tesla coil.

    The work of Paul suggest that the voltage rise along
    the secondary is somewhere between linear and sine. This
    is far from a complete answer. But make your assumption
    and see what happens.

Can I make the assumption that voltage is evenly distributed down the
secondary coil from the potential seen on the top load to the ground
plane (0V)?  If so, I would probably split the secondary into a number
of smaller disks and assign a potential for each disk.

For a single toroid, i assume the entire toroid should be set at a
single voltage.

    A charge placed on a toroid will distribute itself so that the
potential is
    the same at every point of the surface.

How do you treat the potential across say two stacked toroids.  Do you
assume each toroid has equal potential ? ? ?

    Same as for a single toroid.

Should be easy enough by merely putting a small dib on the toroid.

    The electric field will be more intense at a pointed portion of
    a surface.

Any other thoughts or comments??

    The simulator might work if you can input the correct distributions,
    what might they be?