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Re: Marx PS



Tesla List wrote:
> 
> > Subject: Marx PS
> 
> Subscriber: tom_mcgahee-at-sigmais-dot-com Wed Feb 12 23:07:09 1997
> Date: Wed, 12 Feb 1997 16:19:21 -0500
> From: Thomas McGahee <tom_mcgahee-at-sigmais-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Marx PS
> 
>     [The following text is in the "ISO-8859-1" character set]
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> 
> This *is* Tesla coil related. It deals with alternate
> methods of generating the high peak voltages and currents
> needed to power the primary circuit of a Tesla coil
> that is connected for pure tank operation.
> 
> > Subscriber: gweaver-at-earthlink-dot-net Mon Feb 10 22:03:01 1997
> > Date: Sun, 09 Feb 1997 08:52:09 -0800
> > From: Gary Weaver <gweaver-at-earthlink-dot-net>
> > To: tesla-at-pupman-dot-com
> > Subject: Marx PS
> >
> > I don't know about the Tesla impulse design Marx power supply.  Where
> > can I get more information?  Where can I get a circuit drawing?  How
> > does this type tesla system compair to other tesla coils?
> >
> > Gary Weaver
> 
> I am drawing this lengthwise because it will otherwise
> get messed up by most people's e-mail programs!
> 
> X is the inductor
> p is primary
> s is secondary
> 
>  120VAC Input
>    |    |
>    |    |
>     pppp
>  ssssssssss  HV Transformer
>  |        |  Usually 5KV at 120MA or more
>  X        X
>  |        |
>  |        |
>  ----||---*------------- This is Low Side Output
>  |\       |
>  | \      |
>  |  \     | Capacitors Charge in Parallel...
>  |   o    |   But they Discharge in series!
>  |    o   |
>  X     \  X
>  |      \ |
>  |       \|
>  ----||----
>  |\       |
>  | \      |
>  |  \     | Capacitors Charge in Parallel...
>  |   o    |   But they Discharge in series!
>  |    o   |
>  X     \  X
>  |      \ |
>  |       \|
>  ----||----
>  |
>  |
>  |
> This wire is High Side Output lead
> 
> The High side output lead is usually connected to a
> Heavy Duty Spark Gap that is connected to one side
> of the paralleled primary/cap of the Tesla coil.
> This Gap is used to provide isolation between the
> Power Caps and the Resonant Tuned Circuit.
> 
> There are several variations on this circuit, but
> this one is fairly easy to understand.
> During charge up the coils are low impedance.
> Once the first spark jumps, the coils all become
> high impedance, and the output voltage is now
> basically three series-connected capacitors. The
> voltages from all three add up. For the 5KV transformer
> shown, the output would be about 15KV.
> The value of the capacitors affects the charging time,
> as does the impedance of the secondary of the
> transformer.
> 
> Fr. Tom McGahee

Hi Father and All

Must the caps be high current rated caps similar to those we use tn TCs?

I assume that the inductors must have a voltage rating equal to or
greater than the input voltage peak???

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