[Amps] FW: Power factor correction on tube amps
KA4INM
ka4inm at gmail.com
Thu Mar 7 18:49:27 EST 2013
On 03/07/13 18:07, Matt KM5VI wrote:
> Help me out here guys...
> I thought that conventional power supplies (transformer-bridge-filter) were
> relatively clean on reflected harmonics?
No, the transformer is all inductive and the diodes conduct for most
of the sine wave, but not all, at that transition the current changes
abruptly causing distortion.
(The capacitors are polar and not able to compensate for the
inductance in the transformer.)
--
Ron KA4INM - Youvan's corollary:
Every action results in unwanted side effects.
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