[Amps] capacitor across mains input to transformer
Steve Wright
stevewrightnz at gmail.com
Tue Oct 10 20:58:28 EDT 2017
On 11/10/17 13:12, Manfred Mornhinweg wrote:
>
> > and draws about 1A @230V input with no load.
>
> That doesn't sound bad at all. That current is strongly phase-shifted
> relative to the voltage. So the actual power consumed while idling
> (core loss) is likely to be far lower than 230W. If it's a transformer
> for a legal-limit amp, then this amount of idling current looks plenty
> low enough.
Hi Manfred,
That's good enough answer for me. I do have a small mains-rated cap,
and just try it for fun.
Yes, it's a big transformer ;)
Steve
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