Re: gecko 320 filter capacitor values

Hi Denis,
In the Geckodrive group
http://finance.groups.yahoo.com/group/geckodrive/files/
<http://finance.groups.yahoo.com/group/geckodrive/files/> There is a
formula for this in the Files section - Gecko FAQ.doc. It's on the
second last page.
Regards,
Glen.

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "dcassyc1" <denisc1@...> wrote:
>
> Hi all,
> I'm looking for advice on sizing power supply filter capacitors for
Gecko 320
> servo drives, used to power 2 separate servo applications.
> First application is for 1 servo motor rated with these specs:
> terminal voltage: 72 VDC continuous current: 8.5A peak current: 38A.
How
> large should the filter capacitor be? Would a 100VDC rating be
sufficient for
> this 72 volt supply? How many MFD?
> Second application is for 2 motors with these ratings:
> terminal voltage 60 VDC continuous current 3.5A peak current 20A.
Would a
> 75 VDC capacitor be sufficient for this 60 VDC supply? How many MFD?
> Is there a formula that is available to calculate the mfd value?
> Is there a recommended maximum ripple voltage?
> cheers,
> Denis
>



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