Running 3 phase 780s on single phase power

[Sridhar Ayengar]

Paul Koning wrote:
> And finally, if you have a system that actually has a 3-phase input to
> the DC supply (for example, 6 diodes from 3 center-tapped windings
> feeding the ripple filter), then rewiring that input as 3 separate
> single phase circuits is not going to work quite right, because you
> will then have inadequate filtering (having replaced 360 Hz ripple by
> 120 Hz ripple).  It doesn't sound like this shows up in VAXen; I don't
> know if it does in the KL-10; but I do know it is a consideration if
> you're working on a CDC 6000 series machine because it has such supplies.

Isn't that how the VAX 6000 is set up?

I run a VAX 6000 on split-phase and it works just fine.

Peace...  Sridhar