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@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...
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> >
> >
> >
> >
>
>
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