Re: run capacitors for tc use

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

Original poster: "Nick Andrews by way of Terry Fritz <twftesla-at-qwest-dot-net>" <nicothefabulous-at-hotmail-dot-com>

Was that this one:  Model: N50H2210G12R for $1.00 each?

Nick A






>From: "Tesla list" <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: run capacitors for tc use
>Date: Sun, 10 Nov 2002 21:33:38 -0700
>
>Original poster: "Bert Hickman by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
><bert.hickman-at-aquila-dot-net>
>
>Hi Jimmy,
>
>Connecting a bunch of these caps in series should work as a TC tank cap. 
>The voltage rating for MO caps is VAC RMS, but at 60 Hz. It would be 
>prudent to derate the voltage rating to 33-50% of this for RF use, since 
>internal stresses (in particular the risk of partial discharge damage on 
>the polypropylene (PP) dielectric) increase substantially with increasing 
>frequency. You'll need to connect quite a few in series anyway to get the 
>capacitance down to a usable range. Connecting 20 or more of these caps in 
>series should do the trick for a 15 kV system.
>
>Since MO caps are oil impregnated and metal cased, you may also want to 
>put the capacitor bank inside a housing to protect you from a catastrophic 
>failure (hot oil and flying capacitor innards). Good luck!
>
>Best regards,
>
>-- Bert --
>--
>Bert Hickman
>Stoneridge Engineering
>"Electromagically" (TM) Shrunken Coins!
>http://www.teslamania-dot-com
>
>Tesla list wrote:
>>Original poster: "jimmy hynes by way of Terry Fritz <twftesla-at-qwest-dot-net>" 
>><chunkyboy86-at-yahoo-dot-com>
>>
>>usamfg-dot-net were selling 2200v 1.02uf capacitors made by aerovox. on the 
>>aerovox website it said that the n-series are extended foil construction 
>>with plain or rough polypropylene and kraft; liquid impregnation. isn't 
>>that what you want for a tc capacitor? and is it 2200v rms or peak?
>>
>>JImmy