Re: [CAD_CAM_EDM_DRO] twin transformer ?

> The smaller coil has 5 leads, 2 are connected to input power and the
> large coil had 4 leads. 2 go to a set of diodes, I am sure to
> rectify the AC to DC. the other 2 leads on the large coil go to a
> small cap, 20uF 440 VAC. There is no connection between the two
> coils so one must feed the other thru the frame.

This sounds like it might be a ferroresonant transformer. They used
to be pretty common way of more or less maintaining a constant output
voltage. Or, it could be a power factor correction dohicky; I have
one of those on my Tig welder. Seems like it might be kind of small
for that, though.

Paul
--
Paul Amaranth, GCIH | Rochester MI, USA
Aurora Group, Inc. | Security, Systems & Software
paul@... | Unix / Windows / NT