CAD CAM EDM DRO - Yahoo Group Archive

Re: MPJA 24v 10amp Transformers - Anyone actually using it?

on 2003-05-16 09:14:46 UTC
Hi Roger,

I hope you mean drive your transformers WITH a VARIAC, not just REPLACE
them with one. The VARIAC has no isolation from the AC mains. Not
safe!

HTH

Alan KM6VV

vrsculptor wrote:
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, "shawnusa2002"
> <shawnusa@e...> wrote:
> > I was wanting to know if anyone has built and using the
> Trnasformers
> > sold by MPJA ((2) 24v 10amp #7846)in the series configuration like
> > shown in Jerries schematic in the files section. I have read
> > numorous postings on here from past and got lost in finding out if
> > anyone actually built one and is using it with the Geckos. Did the
> > final product actually exceed the voltage limits of the Gecko's?
> >
> Shawn,
> Yes. 2 in series running gecko 320's, I think 64 volts. No problems.
> My servos are 90 volt and I'm going to replace xformers with a
> variac and see if I can get closer to 80. I've got a need for
> speed...
>
> I have an interesting relay that has setable dropout on over/under
> voltage to protect the gecko's with variac in case of line
> fluctuations. Looks like big 8 pin octal relay. Magnacraft 236ACPX-5.
>
> Roger S

Discussion Thread

shawnusa2002 2003-05-15 15:19:47 UTC MPJA 24v 10amp Transformers - Anyone actually using it? colin_jet 2003-05-15 16:20:57 UTC Re: MPJA 24v 10amp Transformers - Anyone actually using it? John Guenther 2003-05-15 16:41:33 UTC RE: [CAD_CAM_EDM_DRO] MPJA 24v 10amp Transformers - Anyone actually using it? vrsculptor 2003-05-15 19:25:46 UTC Re: MPJA 24v 10amp Transformers - Anyone actually using it? Alan Marconett KM6VV 2003-05-16 09:14:46 UTC Re: MPJA 24v 10amp Transformers - Anyone actually using it? paul.beckingham@j... 2003-05-17 06:43:50 UTC Re: [CAD_CAM_EDM_DRO] MPJA 24v 10amp Transformers - Anyone actually using it? turbulatordude 2003-05-17 06:59:42 UTC Re: MPJA 24v 10amp Transformers - Anyone actually using it?