Re: Smallish CNC Miller

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Blue" <jo001k1132@b...> wrote:

> Hi,
>
> I'm not sure yet if it is possible to combine both sides of the

centre tap

> or should I use it as two supplies or 55 volts?
>
> Regards,
>
> Terry
>
> > > No I'm not mistaken. These transformers are centre-tapped 55-0-55.
> >
> > You're right, I'd forgotten they were centre tapped.

If it is a true 55 0 55 transformer with 3 wires only. Then you can
not run the windings in parallel for 55volt double current operation.

In its current configuration each end of a coil is connected to the
other in a series additive configuration.


Wally