Re: cap specifications

In a message dated 96-06-19 00:44:58 EDT, you write:

>I am curious about the capacitor specifications that people are using 
>for resonating Tesla coil primaries.  I have seen several posts where 
>it appears that a cap working voltage equal to the transformer 
>secondary voltage is used.  Normally, caps (except those to be used 
>across the AC mains, i.e. UL and VDE listed) are rated for max DC 
>voltage. Thus if you had a 15kvac transformer- the equivalent DC rated 
>cap would be 14kvac x 2 x 1.414 volts peak-to-peak. 


The commercial Condenser Products capacitors that we have been discussing are
rated by the manufacturer for pulse duty application in a Tesla coil tank
circuit.  They understand the operation and rate them for the transformer
working voltage.

Ed Sonderman