RE: [CAD_CAM_EDM_DRO] electrical help wanted

For a 20ish KHz PWM drive a little 100Hz ripple is of no consequence. My
three machines have PSU's with 1000uF/amp.
PK

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of JanRwl@...
Sent: Saturday, 27 December 2008 2:47 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: Re: [CAD_CAM_EDM_DRO] electrical help wanted


In a message dated 12/26/2008 7:30:29 P.M. Central Standard Time,
hugh@... writes:

Old rule of thumb was / is 8,000 uF per amp of current.


Surely 2000 µF is more than enough!
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