RE: [CAD_CAM_EDM_DRO] electrical advice needed

192 watts /110 volts is 1.75 amps

> -----Original Message-----
> From: Rick Miller [mailto:apollo@...]
> Sent: Friday, January 04, 2002 2:54 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] electrical advice needed
>
>
> Hi,
> I'm building a power supply and have some questions... the
> transformer I'm using has dual secondary coils and can be
> configured for 48V @ 4A or 24V @ 8A. I was planning on using the
> 48V configuration to use with a 3.3A stepper motor, but I've seen
> on the Gecko site that this will actaully translate into 67VDC
> after connecting a bridge rectifier & capacitor. My question is,
> will that be 67VDC @ 4A? Or would that turn into 67VDC @ 2.8A, so
> as to conserve the 192 Watt rating?
> Secondly, I'm trying to determine what the actual current
> draw will be from the 110VAC side... if the transformer can
> supply 192 Watts, then how much current would it be safe to
> assume it will draw from the AC? I'm planning on using four of
> these (one for each axis), so I'm concerned about having a cord &
> switch rated high enough. I'm assuming the transformers aren't
> 100% efficient, so how much higher than the rated power should I
> go to be safe?
>
> Thanks in advance for any advice,
> Rick
>
>
>
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