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Re: Raise the secondary....because! (fwd)
---------- Forwarded message ----------
Date: Tue, 14 Jul 1998 23:50:34 -0600
From: terryf-at-verinet-dot-com
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Raise the secondary....because! (fwd)
At 09:42 PM 7/13/98 -0600, you wrote:
>
>
>---------- Forwarded message ----------
>Date: Mon, 13 Jul 1998 06:53:43 -0500
>From: Bert Hickman <bert.hickman-at-aquila-dot-com>
>To: Tesla List <tesla-at-pupman-dot-com>
>Subject: Re: Raise the secondary....because! (fwd)
>
>Terry,
>
>Thanks for posting these very interesting waveforms Terry!
>
>Any thoughts on what might actually be occuring in the secondary current
>waveform at about 80 uSec after the gap fires in q3.jpg (high-amplitude
>current spikes that look like they're lasting about 2-3 uSec)? This
>"painful quench" certainly does look a little strange.
>
>It's also very interesting about that "missing" zero-crossing spike at
>the first secondary maximum; not enough energy to reignite the gap
>apparently. However, even though we have the additional deionizing time
>from the "missed" firing, the gap still poorly quenches. Very
>interesting, indeed!
>
>-- Bert --
>
Hi Bert,
I suspect the current and voltage are nearing some critical point where
they can just barely maintain the arc. It is probably oscillating. The
voltage is high enough to fire the gaps but once the current increases, the
voltage falls back and it breaks, then the voltage shoots up and on it goes.
Terry Fritz