dc drive forT-coil and S-gap replacement?
From: bmack [SMTP:bmack-at-frontiernet-dot-net]
Sent: Thursday, January 22, 1998 9:38 PM
To: Tesla List
Subject: Re: dc drive forT-coil and S-gap replacement?
> From: Greg Leyh[SMTP:lod-at-pacbell-dot-net]
> Sent: Wednesday, January 07, 1998 6:19 AM
> To: Tesla List
> Subject: Re: dc drive forT-coil and S-gap replacement?
>" Primary switch - Modified GTO
> - no moving parts
> - higher efficiency
> - ultimate quenching capability
> - much lower primary impedance(and therefore voltage) possible
> The coil itself would have a coupling between 0.25 and 0.35,
> given the quenching ability of the GTO stack. Any energy that
> was not absorbed by the arc would be actively switched back
> from the secondary into the primary capacitor bank, thus reducing
> considerably the actual demand from the prime power source. The
> power factor would be around 0.98, due to the linear charging
> ramp on the pri cap bank."
Have you actually tried the this proposed circuit? Your monster coil runs
at 38KHZ but you're using a rotory gap.
So far as I know, thyristers are great at switching low frequency heavy
loads, but have slow recovery times. Even 38khz is too fast for these
devices- am I missing something?