Re: [CAD_CAM_EDM_DRO] variable transformer for dc power supply

Troy,

It is not safe to use the variac as the sole transformer in the power supply
as it does not provide isolation.

Tim
[Denver, CO]
Sherline Products at Deep Discount
and Mach1 CNC control
www.KTMarketing.com/Sherline

----- Original Message -----
> I am building an unregulated power supply to power my api stepper motor
drives.
>
> Does anyone know if it is ok to use a variable ac transformer as the
transformer for an unregulated dc power supply? I already own the variac
and it would save me some money and it would allow me to play around with
different voltages.
>
>
>
> Thanks in advance
>
> Troy