Most of the crowbar problems I've sourced once
past the Astron regulator board were traced to
weak filter caps of aged units.
The crowbar circuit works well.
skipp
> "Daron J. Wilson" <[EMAIL PROTECTED]> wrote:
> > Let's not lose sight of the fact that the motor circuits that are
> > generating the spikes should be examined for ways to reduce or
> eliminate
> > same. Moreover, tinkering with the power supply crowbar circuits
is
> > really treating the symptom rather than the problem.
>
> I have to disagree. Both of my rack mount 50 amp supplies have done
> this, on remote sites or in the garage with NO problem on the input
> side. If you try to draw more than 10-12 amps when you turn them
on, it
> immediately crowbars. The only way to get it to run is to turn it
off,
> drain the caps, remove the load and turn it back on. Then you can
> attach the load *spark* and it works fine. That is the design flaw
that
> I feel needs to be corrected.
>
> 73 N7HQR
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
