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RE: DC vs AC TC (was Re: NST->DC Re: CGA Monitor Flyback)



Greets,

I just wanted to point out another one of my typos,
The Rectron HVM16 diodes are actually 16KV-at-350ma.  They are
just under $6.00 at www.mouser-dot-com.

Cheers,
Bill

> -----Original Message-----
> From: Tesla List [mailto:tesla-at-pupman-dot-com]
> Sent: Saturday, February 26, 2000 8:47 PM
> To: tesla-at-pupman-dot-com
> Subject: Re: DC vs AC TC (was Re: NST->DC Re: CGA Monitor Flyback)
>
>
> Original Poster: "Megavolt Nick" <tesla-at-fieldfamily.prontoserve.co.uk>
>
> H Bill,
>          my comments:
> > Original Poster: "William Parn" <parn-at-fgm-dot-com>
> > > Original Poster: "Megavolt Nick" <tesla-at-fieldfamily.prontoserve.co.uk>
> > > > Original Poster: "Marco Denicolai" <Marco.Denicolai-at-tellabs.fi>
> > >
> > > > >To make a DC Tesla coil using a NST, can I use HV rectifiers on the
> NST
> > > > >secondary side? Or is this a bad idea with NSTs?
> > > Nope - It'll work fine, just make sure you over rate the rectifier to
> cope
> > > with the transients, an LCR filter wouldn't be a bad idea either.
> > >
> >
> > On the LCR protection circuit is it better to put that on the
> > NST side of the bridge rectifier or on the TC side of it?
> The TC side - it needs to be a properly deisgned lowpass filter
> rather than
> one of the standard neon protection circuits.
> If you like you could use a few hundred pF of suppression caps across the
> xfmr as well, but you shouldn't really need them.
>
> >
> > I have been a little worried about my .35 ma diodes when
> > used with the 9kv-at-30ma.  How far should I over rate the
> > rectifier?
> A lot - I'd use at least 100ma diodes.
>
> Good Luck
> Nick Field
>
> >
> > Many Thanks,
> > Bill Parn
> >
> >
> >
>
>