Re: PFC = power factor capacitor?
it took me months to learn
> > that ESR meant equivalent series resistance in a capacitor. Does this mean
> > the ohmic resistance eqivalent to its capacitive reactance? Or does it
> > represent the resistance encountered as leakage current?
> > Sure wish the posters could at least say what the letters mean once in a
> > while. HDN
> It is actually an "old" abbreviation well known to those in the
> switchmode power supply (SMPS) community. It is an *equivalent*
> resistance wired in series with a "perfect" capacitor that describes
> all resistive losses (dielectric hysteresis, leakage etc.). It is really an
> engineering modelling tool similar to modelling a real transformer as
> a perfect one with a single resistance in series with its windings.
ESR is a term used in my "Radio" handbooks of the '30's.