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Ev Archive for May 2001
1845 messages, last added Wed Aug 08 18:52:09 2001

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Re: ? improve K&W charger power factor ?



Remember the DC side is not really DC, but rectified and _unfiltered_ AC
(hence the need for an inductor).

----- Original Message -----
From: VanDerWal, Peter <vanderwp@fhu.disa.mil>
To: <ev@listproc.sjsu.edu>
Sent: Thursday, May 31, 2001 3:48 PM
Subject: Re: ? improve K&W charger power factor ?


> >> An inductor with no gap will saturate at low currents.
> >
> >Low *DC* currents. In the context we are discussing here (inductors in
> >AC circuits), there is no need for a gap in the core.
>
> Actually we started off talking about using this inductor on the DC side
of
> the charger.  It might not be as efficient/effective as the AC side, but
it
> seems to me that it would be easier since the current level is lower.
>