Any inductor at any instant of time maintains constant current.
73
Bill wa4lav
At 07:23 AM 3/28/00 -0700, you wrote:
> >
> > A swinging choke is a cheap form of open loop voltage regulation.
>
>Swinging chokes maintain constant-current, Not constant-volts.
>Resonant-chokes maintain constant DC voltage.
>
> >As the current increases the inductance decreases this increases
> >the voltage on the following filter capacitor. In essence the filter
> >configuration
> >swings from inductive input when the current demand is low (large
> >inductance) to
> >nearly a capacitive input filter when the current demand is high (small
> >inductance).
> >
>cheers, Bill
> >
> >
> >At 04:21 AM 3/28/00 -0700, you wrote:
> >
> >> > As to whether the best use of your swinging choke is for a book end, I
> >> >cannot say. However, it is better than leaving it on the floor where you
> >> >walk into it from time to time and regret it, but postpone moving it
> until
> >> >the next time you walk into it.
> >> >There is another useful side effect on using a choke input PSU. This
> in in
> >> >the smootinh og the input current to the supply. When operating from the
> >> >mains, this is of little consequence to the user. When operating from a
> >> >generator on filed day, it does help quite a bit with the regulation.
> >> >
> >>Swinging chokes seek to maintain constant current come hell or high
> >>water. . Is this what you want for SSB?
> >>
> >>
> >>- Rich..., .
>
>- Rich..., 805.386.3734, www.vcnet.com/measures.
>end
>
>
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