CAD CAM EDM DRO - Yahoo Group Archive

RE: [CAD_CAM_EDM_DRO] Variable Transformer

Posted by Dave Fisher
on 2005-06-28 14:34:13 UTC
Most important - NOT just any old transformer - but an ISOLATION type

Rgds

Dave


-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Alan Marconett
Sent: 28 June 2005 22:23
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: RE: [CAD_CAM_EDM_DRO] Variable Transformer

Hi Dave,

NO! A VARIAC has no isolation from the mains! Use a transformer.

This question comes up over and over.

Alan KM6VV

> -----Original Message-----
> From: CAD_CAM_EDM_DRO@yahoogroups.com
> [mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of v_bps
> Sent: Monday, June 27, 2005 8:11 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: [CAD_CAM_EDM_DRO] Variable Transformer
>
> I posted this question in the Gecko group as well.
>
> I was wondering if a variable transformer would work in building a
> power supply for the Gecko drives.
>
> The one I would like to use is 110 VAC input 0-115 VAC output and 10
> Amps. I know the Gecko is rated at 80 VDC so you would not want to set
> the AC output above say 53 Volts. I can set a lock pin on the dial to
> stop it from an accidental position change.
>
> Would this work?
>
> -D
>




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Discussion Thread

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