CAD CAM EDM DRO - Yahoo Group Archive

Re: [CAD_CAM_EDM_DRO] 3 phase power supply

Posted by Jon Elson
on 2001-01-29 22:53:48 UTC
Carlos Guillermo wrote:

> Thanks Jon -
>
> A couple more questions:
>
> The PS and the brushless motor amplifier that attaches to it are rated at
> 160VDC max. Could the 10V difference to 170VDC make much difference?

I don't know. And, when loads are turned off, etc. the output voltage could
jump up. Also, when motors are slowing, energy is sent back to the power
supply, so the voltage rises.

> And,
> with 170V peaks, what will the filtered output voltage really be? There are
> 16 820uF caps (180V) after the rectifier.

The capacitors are probably going to be OK. But, I have no way to predict
what the real limits in the amplifiers are.

Jon

Discussion Thread

Carlos Guillermo 2001-01-29 13:16:04 UTC 3 phase power supply Jon Elson 2001-01-29 16:25:29 UTC Re: [CAD_CAM_EDM_DRO] 3 phase power supply Carlos Guillermo 2001-01-29 17:22:03 UTC 3 phase power supply Jon Elson 2001-01-29 22:53:48 UTC Re: [CAD_CAM_EDM_DRO] 3 phase power supply Sven Peter, TAD S.A. 2001-01-30 04:51:35 UTC Re: [CAD_CAM_EDM_DRO] 3 phase power supply