[Prev][Next][Index][Thread]
cap explosion & rf-interference
----------
From: Barton B. Anderson [SMTP:mopar-at-mn.uswest-dot-net]
Sent: Monday, March 09, 1998 10:03 PM
To: Tesla List
Subject: Re: cap explosion & rf-interference
Arwin, why not throw together a 50 cent safety gap across your cap?
Considering cap costs and explosion frustrations, it seems worth while 5
minutes of your time.
Bart
Tesla List wrote:
> ----------
> From: Zuma /or CJ [SMTP:mwise-at-ns.sosis-dot-com]
> Sent: Sunday, March 08, 1998 4:35 PM
> To: Tesla List
> Subject: Re: cap explosion & rf-interference
>
> Tesla List wrote:
> >
> > ----------
> > From: solva-wijnschenk [SMTP:solva-at-xs4all.nl]
> > Sent: Sunday, March 08, 1998 4:57 AM
> > To: tesla-at-pupman-dot-com
> > Subject: cap explosion & rf-interference
> >
> > hello all,
> >
> > I've had exploding caps thrice already and I don't understand why
> > .
> > I am using a ~10 KV 5 KVA transformer and a variac as powersource. RQ
> > gap of 4 tubings with total opening of about 1", 8 turns copper tubing
> > (outer diam=34 cm, inner diam = 21 cm, 7 turns), sec=2290 turns, 33,66"
> > windingheight, 790 m longer, 4,33"diam form), diff. toroids
> >
> > No safetygaps, no RF-chokes. Caps were saltwatercaps, and last cap was a
> > 25 kvDC 0.05 uF one. I am planning to build my own pe-caps with two
> > sheets of 2mm each and kitchenfoil. But will they hold???? and how come
> > the earlier ones failed???
> >
> > Thanks Arwin
>
> Your gap setting sounds way to wide for 10kv. Your secondary has way to
> many turns in my opinion, but this would not cause your caps to explode.
> So my advice would be to lower your gap setting to around a total of
> about .25". You could maybe go up to about .5" but I doubt it.
>
> Chris