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Re: [TCML] PSPICE model for SGTC?

Terry Fritz created a very accurate PSpice model for a 15/60 NST.  I worked
out a model to simulate a first-order static spark gap, at least as far as
breakdown voltage and a static on-resistance.  I have a web page showing
the whole TC picture here:  http://www.laushaus.com/tesla/gapsim.htm and
there is a link to download my MIcroSim PSpice model of the complete coil.

I had an old version of MicroSim PSpice and I've not been able to get it to
work since upgrading (?) to Windows 10.  If your free package works under
W10, please share a link to the installation package?

Hmm, just noticed that my model does not include a secondary coil.
Changing the primary coil to another transformer is straightforward enough
- we know the inductances and coupling factor, but modeling the streamer
load is a very big and complex deal.  I remember Terry had a simple static
model of a streamer and it was thoroughly discussed in the archives under
the subject "streamer modeling" or something like that, probably in the
late 90's.

Regards, Gary Lau

On Sat, Dec 3, 2016 at 12:28 PM, Brian Hall <brianh4242@xxxxxxxxxxx> wrote:

> I am just starting to learn PSPICE.  In OrCad Capture CIS Lite (free
> version) v 16.6  can a spark cap Tesla coil be modeled? I have done a
> single AC source RLC circuit and played around with Q factors (adding or
> reducing resistance), running it over a range of frequencies to get a
> voltage graph of the results.  I am curious how to model the 120v step up
> NST part, the air core transformer part factored around resonance (not on
> mutual flux or turns ratio) and the air gap or "switch when the capacitors
> are fully charged" part.  Have any of you done such things with PSPICE
> before, or have project files that you are willing to share?
> ----------------------------------
> Brian Hall
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