Re: [CAD_CAM_EDM_DRO] Re: Motor calculations? Help!

On Saturday 19 March 2005 08:39 am, Lance Hopper wrote:

> Hello,
> I've been talking to the guy myself trying to help him out. He's
> already bought 200V 40A Rutex drives as I understand. Now he's
> trying to figure out the PS.
>
> The original drives were fed 120 3ph from the secondaries of a
> 2.5kva 3ph transformer as he describes via his electrical schematics.
> He was trying to see if the stock 3ph transformer (has delta and Y
> wiring configurations, he has the schematics, maybe he should post)
> could take ~220 1ph (all he has available) and output ~120 1ph that
> could be rectified and used for the Rutex drives. I doubted that it
> would work and be dangerous/stupid to try, but what do I know.

If you wire up a 3ph transformer and each secondary is rectified and all
rectifier outputs are fed to a common filter I don't see where the problem
is. Not that I'm saying there isn't one, just that I don't see it. If
there is can you point it out for me?