From: "Terrell W. Fritz"
Date: Wed, 02 May 2001 12:14:06 -0600
Subject: Re: [TSSP] Time domain modeling
Hi Paul, At 04:33 AM 5/2/2001 +0100, you wrote: > >A question to those who have looked at secondary voltage >waveforms on the scope: When arc discharge occurs from the >topload to ground, does the breakdown path continue to >exist into the next half cycle and beyond, or does the conducting >path extinguish at the first zero crossing and have to re-form >if it can, on the next half-cycle? Maybe the answer is 'partly', >ie some of the ionisation is left over and a temporary lower >breakdown voltage is available to the next half-cycle. Can >anybody advise? > >The reason I ask is that, depending on just how long the arc >discharge path can be considered to be grounding the top of the >coil, it looks like quite a substantial amount of energy can be >transfered into one of the higher modes, to be trapped there. >Anyone reporting arcs along their secondary - but only when the >top is actually discharging? > The paper at: http://hot-streamer.com/TeslaCoils/MyPapers/smallar/smallar4.html may shed some light on this but probably not enough :-)) Mare and better tests probably are needed... Cheers, Terry
Maintainer Paul Nicholson, paul@abelian.demon.co.uk.