3 phase power supply

Thanks Jon -

A couple more questions:

The PS and the brushless motor amplifier that attaches to it are rated at
160VDC max. Could the 10V difference to 170VDC make much difference? And,
with 170V peaks, what will the filtered output voltage really be? There are
16 820uF caps (180V) after the rectifier. The amplifier is rated at 5A
cont/ 10A MAX.

Thanks in advance,

Carlos Guillermo
VERVE Engineering & Design

> Carlos Guillermo wrote:
>
> > List -
> >
> > I have an unregulated power supply rated for 3-phase 113V
> (max.) input and
> > 160VDC, 60A output. I can't find the exact datasheet, but similar PS's
> > datasheets give instructions for hooking it up to 1-phase inputs. Would
> > this be safe to try, and if so, what voltage output would I
> get? If this
> > helps, it has a large brick-type rectifier with 5 terminals.
>
> If you derate the current capability, it should work OK. It will
> have more
> voltage ripple, and the current drawn on the two AC input wires
> will be higher
> that for the same load on 3 Phase power, but it should work. With 120 V
> AC (RMS) input, you would get about 170 V peak. If you connect the
> AC line to two of the rectifier input terminals, the output is
> not isolated from
> the line.
>
> Jon