CAD CAM EDM DRO - Yahoo Group Archive

Re: P.S question

Posted by mariss92705
on 2002-06-17 18:44:31 UTC
Hi,

No problem; you probably have plenty of the natural, 4-legged kind
there anyway. The output voltage tracks the input by the same
percentage. If your input were to go to 115% of nominal, then your
34VDC would turn into 39VDC. You may want to consider a regulator if
that is a problem.

Mariss

--- In CAD_CAM_EDM_DRO@y..., "afogassa" <afogassa@y...> wrote:
> --- In CAD_CAM_EDM_DRO@y..., "mariss92705" <mariss92705@y...> wrote:
> > Hi,
> >
> > That's kind of a tricky question. Your transformer is rated at
> 24VAC
> > and 10A. That is 240VA (volt-amps). Your DC voltage is 1.41 times
> 24
> > or about 34VDC. That would be 340 watts at 10A. There is usually
> > enough reserve in the transformer to come near the 10A rating.
What
> > matters is how warm the xformer gets. If it gets hot, you are
> asking
> > too much of it. The voltage will stay near 34VDC though.
> >
> > Mariss
> >
>
> Thank's Marris,
> Not that I don't like the geckos, but I have to use the a3977 chip
> from allegro to build a controller for our machine, spending almost
> $1000 for a set of geckos (that's what is going to cost here in
> Brasil) is out of the question.
> So, I need to keep the PS at 30 to 34V. no more no less, that's
why
> I asked about the trans.
> I'm trying to get it at that voltage range with a unregulated PS.
>
> Thank's.
>
> > --- In CAD_CAM_EDM_DRO@y..., "afogassa" <afogassa@y...> wrote:
> > > Hi, All
> > >
> > > If I have a 24v trans. and a bridge ret. and a 10000uf elet.
> > > it gives me about 36v.
> > > now if the transformer is rated at 10amps. should I get 36v.
up
> to
> > > 6amps. or only 24v no matter how much courrent is being pulled
> out
> > of
> > > it?
> > > In other words, will the Voltage be steady at 36v. till I get
> to
> > > the maximum courrent of 6 amps? then it starts to go down to
24V?
> > >
> > > Thank's
> > > Fogassa.

Discussion Thread

afogassa 2002-06-17 17:36:43 UTC P.S question mariss92705 2002-06-17 17:54:59 UTC Re: P.S question dakota8833 2002-06-17 18:06:18 UTC Re: P.S question afogassa 2002-06-17 18:07:19 UTC Re: P.S question mariss92705 2002-06-17 18:44:31 UTC Re: P.S question afogassa 2002-06-17 19:13:31 UTC Re: P.S question mariss92705 2002-06-17 20:04:40 UTC Re: P.S question afogassa 2002-06-17 20:40:38 UTC Re: P.S question curious925072002 2002-06-19 00:04:20 UTC Re: P.S question John H. Berg 2002-06-19 07:35:27 UTC Re: [CAD_CAM_EDM_DRO] Re: P.S question JanRwl@A... 2002-06-19 21:09:12 UTC Re: [CAD_CAM_EDM_DRO] P.S question