[TCML] Odd VTTC Streamer Behavior

[futuret at aol.com]

Yes, voltage may have been over the rating considering
everything.  The plate current may have been
1.2 amps or so, but resonant tank currents would
be much higher.

John


-----Original Message-----
From: Jim Lux <jimlux at earthlink.net>
To: Tesla Coil Mailing List <tesla at pupman.com>; tesla at pupman.com
Sent: Tue, 21 Oct 2008 6:32 pm
Subject: Re: [TCML] Odd VTTC Streamer Behavior




-----Original Message-----
>From: futuret at aol.com
>Sent: Oct 21, 2008 2:06 PM
>To: tesla at pupman.com
>Subject: Re: [TCML] Odd VTTC Streamer Behavior
>
>When I tried using a an 8kV rated mica transmitting cap
>with a 6kVAC power supply, the transmitting cap failed.
>So that may give some idea of what voltage ratios can
>be withstood in a VTTC.  Of course each VTTC maybe
>slightly different, etc.


6kV * 1.414 pk/rms = 8.5kV > 8kV..

It's overvoltaged by a bit, but there's probably some margin in the 
rating on
the mica cap, at least voltage wise. OTOH, if you're looking at some 
kVAC RMS
riding on top of a DC or line frequency offset, you could have twice 
that much.
How much current were you passing through it?


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