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Rectify ac input?
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To: "'Tesla List'" <tesla@pupman.com>
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Subject: Rectify ac input?
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From: Tesla List <tesla@stic.net>
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Date: Thu, 5 Mar 1998 19:20:14 -0600
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Approved: tesla@stic.net
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From: Jim Lux [SMTP:jimlux@earthlink.net]
Sent: Thursday, March 05, 1998 10:24 AM
To: Tesla List
Subject: Re: Rectify ac input?
> From: Matthew Mills [SMTP:mattmills@mindless.com]
> Sent: Wednesday, March 04, 1998 2:13 PM
> To: Tesla List
> Subject: Re: Rectify ac input?
>
> Correct me If I'm wrong but I would expect the best way to make a High
Voltager
> Rectifier would be to use Microwave Diodes (approx. $3) as these are
rated between
> 6 and 12kV and @450mA each and so 12 of them set into a bridge
arrangement (3 in
> series on each leg) and set in potting tar would make a rather dandy HV
rectifier.
>
> Matt
> (Just fiddling with sparks and arcs in Hamilton New Zealand)
>
> Tesla List wrote:
>
> > ----------
> > From: Edward V. Phillips [SMTP:ed@alumni.caltech.edu]
> > Sent: Tuesday, March 03, 1998 1:05 PM
> > To: tesla@pupman.com
> > Subject: Re: Rectify ac input?
> >
> > "I have LOTS of HV rectifiers from monitors but don't know how much
current
> > they are good for. Jim Lux has hopes of finding the specs for me so
maybe they
> > will be good for coil work."
> >
> > Probably not good for more than a couple of milliamps at most.
> >
> > Ed
>
>
>
>
Sure, a bridge like that would work. I "pot" mine in oil, though, to make
fixing the inevitable failure easier to fix. Watch out if charging a cap
with the bridge and then discharging it. The voltage reversal on the cap
goes right through the bridge in reverse and destroys the diodes.