PSpice modeling of spark gaps

• To: tesla-at-pupman-dot-com
• Subject: PSpice modeling of spark gaps
• From: Gary Lau 06-Nov-1998 1003 <lau-at-hdecad.ENET.dec-dot-com> (by way of Terry Fritz <terryf-at-verinet-dot-com>)
• Date: Fri, 06 Nov 1998 12:38:00 -0700
• Approved: terryf-at-verinet-dot-com

I'm not aware of anyone who has found a good model for a spark gap.
While this has not been an obsticle towards simulating most aspects of TC
operation, it has resulted in a somewhat awkward model of using
predesignated switch openings and closings to simulate gap conduction,
and only 1-2 cycles of Fres can be run.

Microsim PSpice comes with models for voltage controlled (Sbreak) and
current controlled (Wbreak) switches, but the various parameters don't
seem to be editable.  It seems like if they were, this would be the ideal
way to model the dynamic behavior of a spark gap.  Does anyone know how
to alter the default parameters of these models?

Gary Lau
Waltham, MA USA

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