[Amps] PS Theory ?

[wb8jkr at juno.com]

 Oops, I meant to say the transformer secondary current is
three times (2.828) the DC output of the supply in doubler service.

73,  Mark  WB8JKR


On Wed, 27 Aug 2003 18:27:43 -0400 wb8jkr at juno.com writes:

> Actually in doubler service I think the transformer peak current
> is about four times the DC output current in a capacitor input 
> filter.
>  A transformer should be designed for doubler service.
> 
> 73,  Mark  WB8JKR
> 
> 
> On Tue, 26 Aug 2003 11:38:31 -0400 Ron <w8ron at stratos.net> writes:
> > When you feed it to a doubler , the current is not .5 A but .25A.
> > 
> > THe remainder may be due to CCS and ICAS duty.
> > ---
> > Ron
> > 
> > 
> > Mike, K8LH wrote:
> > 
> > >Please excuse the dumb question...  I'm trying to figure out how 
> to
> > >determine the power handling capability of transformers (I did 
> take 
> > a
> > >quick look through the ARRL Handbook last night)...
> > >
> > >Questions: 
> > >
> > >How can you determine the power handling capability of a 
> > transformer???
> > >
> > >For example, the secondary on the transformer in my Heath SB-201 
> is
> > >rated at 800 VAC at 0.5 amps...  I would think this transformer 
> > would
> > >only be good for about 400 watts of power (800 x 0.5) but it 
> seems 
> > that
> > >if you feed this secondary into a full-wave bridge rectifier and
> > >capacitors you would get about 1,000 volts and 0.5 amps under 
> load 
> > (500
> > >watts), or feed it into a voltage doubler circuit, like that in 
> the
> > >SB-201, and you get about 2,000 vdc at 0.5 amps under load (1,000
> > >watts)...
> > >
> > >I'm confused...  What am I missing???  Thanks...
> > >_______________________________________________
> > >Amps mailing list
> > >Amps at contesting.com
> > >http://lists.contesting.com/mailman/listinfo/amps
> > >
> > >
> > >  
> > >
> > 
> > 
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> > http://lists.contesting.com/mailman/listinfo/amps
> > 


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