Re: [CAD_CAM_EDM_DRO] gecko 320 filter capacitor values

On Wednesday 04 March 2009 09:51:52 Andy Wander wrote:
> IIRC, there is info on this on the Gecko web site. It is either in the
> White Paper or another document.
>
> ______________________________________
> Andy Wander
>
> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of dcassyc1 Sent:
> Thursday, February 26, 2009 12:05 AM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] gecko 320 filter capacitor values
>
> 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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