CAD CAM EDM DRO - Yahoo Group Archive

Re: Les Newell servo current and voltage

on 2005-02-11 11:07:31 UTC
--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:
> cnc_4_me wrote:
>
> >By any chance do you have a clamp on ampmeter...Would be
interesting
> >to find out how much current is being used with your 3 axis test
you
> >did the other day...
> >
> >
> Very few clamp-on ammeters will measure DC. They are calibrated for
> 50-60 Hz sine waves, only. There are some current probes with hall-
effect
> devices in them, but they are very expensive.
>
> Jon

Measure the AC input, not the DC.

I'm not sure how the ripple from the drivers would effect the AC, but
I would tend to think you can get a pretty good idea of the current
by measuring before the transformer.

Dave

Discussion Thread

cnc_4_me 2005-02-10 22:17:01 UTC Les Newell servo current and voltage Les Newell 2005-02-11 00:58:22 UTC Re: [CAD_CAM_EDM_DRO] Les Newell servo current and voltage cnc_4_me 2005-02-11 09:40:52 UTC Re: Les Newell servo current and voltage Jon Elson 2005-02-11 10:36:49 UTC Re: [CAD_CAM_EDM_DRO] Re: Les Newell servo current and voltage Les Newell 2005-02-11 10:46:47 UTC Re: [CAD_CAM_EDM_DRO] Re: Les Newell servo current and voltage turbulatordude 2005-02-11 11:07:31 UTC Re: Les Newell servo current and voltage cnc_4_me 2005-02-11 18:03:08 UTC Re: Les Newell servo current and voltage Carl Mikkelsen 2005-02-11 20:00:46 UTC Re: [CAD_CAM_EDM_DRO] Re: Les Newell servo current and voltage Jon Elson 2005-02-11 21:17:00 UTC Re: [CAD_CAM_EDM_DRO] Re: Les Newell servo current and voltage