RE: resonant cap

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Lau, Gary by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Gary.Lau-at-compaq-dot-com>

Yes indeed, although a safety gap in parallel with the main gap is
equally effective at limiting ring up voltage, and it won't risk
overcurrenting your cap, should it fire.

Gary Lau
MA, USA

>Hi All, 
>Shouldn't  a safety gap across the cap itself eliminate the overvoltage
problem
>of the main gap misfiring? 
>Matt D.



>> Hi, 
>>  You can certainly use a resonant, or impedance matched cap.  The
energy 
>> transfer is supposedly maxed when doing so, but there are dangers.
If your 
>> spark gap misfires for any reason, a very high voltage can develop
across the
>>
>> cap due to the resonant rise.  This can kill your cap or your
transformer. 
>> According to studies conducted by Terry (and others?),  the voltage
from a
>> 15kV 
>> NST can skyrocket as high as 50 - 80 kV.     
>> Mike 
>>