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Re: Overstessing Maxwell caps



Original poster: "S & J Young by way of Terry Fritz <twftesla-at-qwest-dot-net>" <youngs-at-konnections-dot-net>

Steve,

Actually your peak voltage will be 14,440 x sqrt of 2 (about 1.414) = 20421
volts.  So you don't have a 2x safety factor, and the 35 KV rating is a bit
marginal (read could eventually result in an expensive boat anchor).

Go for a 50-60KV MMC.
--Another Steve
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, July 21, 2001 8:25 PM
Subject: Overstessing Maxwell caps


> Original poster: "Steve White by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<slwhite-at-zeus.ia-dot-net>
>
> I have two 0.03 uF Maxwell caps rated at 35 KV each. I was planning to
connect
> them in parallel to obtain 0.06 uF for my pig coil which I am currently
> building. The pig puts out 14,400 volts RMS. I am now beginning to wonder
if
> the 35 KV voltage rating for the 2 parallel caps is enough. I
theoretically
> have about a 2x safety factor. I have been reading that 3x is preferable.
My
> design requires about 0.06 uF of capacitance. Should I go ahead and use
these
> caps (I paid quite a bit for them) or should I sell them and build a MMC
array
> instead? Alternatively, I could turn my variac some to a voltage
sufficient to
> obtain a 3x safety factor.
>
>
>