RE: [CAD_CAM_EDM_DRO] Re: 28v power transformer

Hook up the cap and them measure it.

Andy Wander
Verrex Corporation


-----Original Message-----
From: stcnc2000 [mailto:thinkcnc@...]
Sent: Wednesday, April 21, 2004 5:46 PM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: 28v power transformer

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Andy Wander <awander@v...>
wrote:

> and only get about 17vdc at
> > > rectifer. The transformer i'm using is (MPJA) LP-437 18vct(9-0-

9)

> > > 2amps.
> > > > >
> > > I'm using a full-wave bridge.
> > > It is 4 diodes and 4 terminals.
> No load, 20 vac into the bridge, No Filter Cap connected yet have a

15,000 uf 50v, Yes the bridge is hook up correct AC to Ac and then i
measure across + and - terminals.

> Is this measurement with any kind of a load on the supply?
> Have you measured the AC voltage going into the rectifier?
> What kind of filter capacitor are you using?
> And are you sure the rectifier is hooked up correctly?

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