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Re: [Amps] Henry 3K-A choke failure...workaround?

To: jeff millar <wa1hco@gmail.com>
Subject: Re: [Amps] Henry 3K-A choke failure...workaround?
From: David Gow <6146guy@gmail.com>
Date: Fri, 27 Sep 2019 12:51:04 -0700
List-post: <mailto:amps@contesting.com>
Will placing choke in the ground return work with a swing choke input
resonant choke supply like this? don't know the answer, just asking and may
be remembering wrong about the supply configuration. I vaguely remember
considering moving it but wondered also about the metering.
Dave W7VM

On Fri, Sep 27, 2019 at 10:44 AM jeff millar <wa1hco@gmail.com> wrote:

> Hi Ron,
>
> I like the idea of putting the choke in the return lead.  But the way the
> return floats a bit above ground for metering makes me uncertain exactly
> where to wire in choke.
>
>    - between bridge and resistors to ground, or...
>    - between resistors to ground and filter capacitor returns
>
> thanks,
>
> jeff, wa1hco
>
> On Thu, Sep 26, 2019 at 10:59 PM Ron <ka4inm@gmail.com> wrote:
>
> >    Jeff wa1hco millar wrote:
> >
> > > Hello wise ones...
> >
> > > Bought a nice 3K-A at a flea market and made one SSB contact.  On the
> > > second contact it tripped off on HV overcurrent.  After some debugging,
> > the
> > > Plate choke is leaky to ground at HV but open with an Ohm meter.
> > > Can I just put the choke up on insulated standoffs?
> >
> > > Any other suggestions?
> >
> >    It is a pleasure to be helpful.
> >
> >    The CURE is to put it in the ground side of the circuit, typically
> > where the rectifier or the grounded side of the transformer goes to
> > ground.
> >
> > --
> >    Ron  KA4INM - Understanding is much better than
> >                                        knowing how.
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