Re: [CAD_CAM_EDM_DRO] Electrical Wizards ?

Thanks guys ! It was pretty much as I thought then, a really BAD idea. I know
the difference between a ground and a neutral though, one is green the other is
white, they both go to the same place in the main panel :-)

Still curious as to what the voltage change does while under way....

Did anyone see that 30lb Torroid on E-Bay ?? Yikes !!!

Chris L

Hugh Prescott wrote:

> Electrocution and serious damage to the right rear pocket (wallet)
>
> "Old electrictians are cremated equal"
>
> Use a isolation transformer before or after the autotransformer or Variac.
>
> fuse the input and output to the ratings of the Variac, fuses cost less.
>
> Ground the case etc.
>
> If you are not sure of the difference between the ground wire and the
> neutral wire or the concept of a grounded neutral you probably need help.
>
> Hugh
>
> ----- Original Message -----
> From: "Chris L" <datac@...>
> To: "CCED" <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Friday, January 04, 2002 6:45 PM
> Subject: [CAD_CAM_EDM_DRO] Electrical Wizards ?
>
> > I have a really, really dumb question. A friend of mine asked why he
> > could not "Dial down" a variac and use it to supply power for a stepper
> > driver system. I could only conclude that there is the chance it could
> > not maintain the voltage accurately, in fact even fail miserably,
> > because it is nothing like having Primarys and Secondarys of a
> > transformer. true ??
> >
> > Then I was wondering what actually happens if Variacs are used to supply
> > a transformers primary winding. If it was all setup, and running some
> > stepper drivers and you dialed down the voltage, What do the Stepper
> > motors do ?
> >
> > Slow Down ? get weak ? What ?
> >
> > I slept thru most of electronics class.... now I pay for it.
> >
> > thanks,
> >
> > Chris L
> >
> >
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> >
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>
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