CAD CAM EDM DRO - Yahoo Group Archive

Re: New power supply question

Posted by afogassa
on 2002-06-15 17:10:46 UTC
--- In CAD_CAM_EDM_DRO@y..., JanRwl@A... wrote:
> In a message dated 15-Jun-02 17:30:07 Central Daylight Time,
> afogassa@y... writes:
>
>
> > do I really need a 12 amps. PS or it should be half of
> > that? (BIPOLAR camtronics drive)
>
>
> I am unfamiliar with the Camtronics drive. Is that a "chopper
drive"?
> Bipolar, so probably. Therefore, you have a DC supply voltage much
higher
> than the motor-rating; like 24 VDC or more? Think, then, about the
POWER
> involved, not the "phase current ratings". If a motor uses, say, 3
VDC/4
> amp, that is 12 VA per phase. So, if you have a 24 VDC supply,
that would be
> only 0.5 V per phase from the DC supply. Confusing, yes. Had ME
going until
> Mariss held my hand and explained. Duh...
>
>
>
>
> [Non-text portions of this message have been removed]

Yes,it's a chopper, and yes it's confusing, yes it's a 24v.PS 36V
unloaded.
Let's see: 24/72= .33333Va, still confising!

Fogassa.

Discussion Thread

afogassa 2002-06-15 15:29:36 UTC New power supply question JanRwl@A... 2002-06-15 16:58:43 UTC Re: [CAD_CAM_EDM_DRO] New power supply question afogassa 2002-06-15 17:10:46 UTC Re: New power supply question