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Re: TSG with DC?



Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, November 03, 2001 7:38 PM
Subject: TSG with DC?


> Original poster: "S & J Young by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<youngs-at-konnections-dot-net>
>
> List engineers,
>
> Can any of you provide ideas for using a TSG with a pure DC (i.e.
filtered)
> power supply?  Specifically, I need ideas on how to prevent a power arc
when
> the TSG fires.  That is, some method which transfers almost all of the DC
> supply energy to the MMC, not to the TSG.

A charging inductor in series with the DC supply would be the traditional
approach., particularly if combined with a series diode.

>
> I can only think of two ways:  1) have a tremendous blast of air through
the
> gap to "blow out" the power arc - so it functions something like a RSG at
> high speed, or 2) Have a DC supply which "folds back" when the spark gap
> fires to prevent a power arc.  I think Marco Denicolai's supply functioned
> that way.
>
> In the meantime, I shall try unfiltered DC supplies such as a MOT circuit
> which offsets the HV sine wave so it goes to zero each cycle.  The only
> problem with that is the BPS can only be 60 which doesn't transfer much
> average power to the tank circuit.
>
> --Steve
>
>
>
>