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On 10/9/19 9:19 AM, undisclosed recipient via Tesla wrote:
I used 5 meters of GTO15 between the NST’s and the MMC and coil.
I have the SSG with the NST’s and then runs to the MMC and the primary coil.
Are the NST+SSG in series with the C and the L? Or are the C and L in
parallel with the NST+SSG.
I can't imagine the parasitic C of the wires being significant here. But
the parasitic L, if it's in series, is probably pretty big. A rule of
thumb is that it's 1 uH/meter. - you've got 10 meters of wire there.
You won't get the full 1uH/meter, because the magnetic field of the two
wires cancels to a certain extent.
Instead of the coil running as it normally does, I had to re-tune the primary down a couple turns.
A 10 turn flat spiral primary is about 40 microhenries (depending on the
spacing, etc.). Going to 8 turns, reduces that to around 25
microhenries (to a first order, it goes as the square of the number of
turns).
So your observation is consistent with it all being in series.
Should the SSG be closer to the MMC?
or do I just need to widen the spaces on the SSG?
Or is 14 GA. still too resistive?
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