You will probably end up with around 2400 volts DC loaded. I always use 1.25
times RMS to find loaded DC voltage. Comes out pretty darn close in most
supplies.
73
Gary K4FMX
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On Behalf Of Jeff Blaine AC0C
> Sent: Thursday, April 22, 2010 3:18 PM
> To: Dick Hanson; amps@contesting.com
> Subject: Re: [Amps] HV toroid, ebay item # 370270095930
>
> Dick,
>
> The text mentions 950V @ 0.750 per secondary (uses the word each). So
> it
> seems to me that the guy is saying that means, series connected
> secondaries
> should yield 1980V RMS @ 0.75A based on the 240V feed - about same as
> you
> are seeing.
>
> A friend and I were discussing this for use as a possible supply and I
> thought it would run about 2600-2700V DC loaded with a FWBR. Just about
> perfect also for a set of GI7b. :)
>
> Wonder what the temp rise would be with that TX at the 750 ma draw
> sustained???
>
> Not sure if it's the same company or not - but Antek is a huge supplier
> of
> computer power supplies in the aftermarket. Generally speaking a good
> reliable name from the PC side of the business.
>
> 73/jeff/ac0c
>
>
> --------------------------------------------------
> From: "Dick Hanson" <dick@dkhanson.com>
> Sent: Thursday, April 22, 2010 1:23 PM
> To: <amps@contesting.com>
> Subject: [Amps] HV toroid, ebay item # 370270095930
>
> > Howdy....
> > A week or so ago, someone posted that the above units were being sold
> on
> > eBay.
> > So, liking HV goodies, I checked it out.
> > Looked good, so ordered one.
> > It arrived today and pleased to say, seems a very good value.
> > With 240VAC on the primary, its putting out just a tad over 2KV.
> > I'm thinking it will produce a shade over 2800VDC, with just capacitor
> > equalizing resistor load after the bridge.
> > Should be about perfect for single 3 or 4 CX800 with full load of 5-
> 600ma.
> >
> > Anyhow, just a FWIW for anyone contemplating a power supply of this
> ilk.
> > 73
> > Dick, K5AND
> >
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
> >
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|