32A single phase output from 3 x 16A three phase supply. Is there a way?

[Mike Johnson]

When I bought from Invertek the site was much easier to navigate they seem to have retro graded the site somewhat, used to have a list down the left side of all the drives they had available, I can't find a link to even the one I have let alone a 3P->1P conversion.

 

[Mark42]

Hi, OP here - sorry for the disappearing act, I've been on 16 Hr days building even more sheds for an upcoming job. All great ideas, will digest and respond over the weekend. Thanks all.

 

[Mark42]

Thanks again for all the advice.

The machine is some kind of funky super-powerful x-ray machine for scanning vehicles. I don't have the full specs but I have to assume it does need constant current, not just inrush. However, I doubt it would be energised and generating radiation for very long periods.

The rental is only for a couple of weeks for a research project (that’s what I offer here), so there’s no question of digging trenches or otherwise messing with the direct-buried underground infrastructure.

The solution is so obvious I missed it! As several on here said, just temporarily swap a few cables and breakers at each end to single-phase the DB on 2 x 16mm paralleled conductors.

Physically lock off any three-phase breakers in the building’s DB (supplying only a few 5P sockets, and two small roller shutters which can be opened manually.)

Sorted in an hour at zero expense and at least another hundred quid a day on the rental for bespoke 'supply upgrade' ?

 

[Lucien Nunes]

Completely OT but curiously relevant. After WW2 there was an upsurge in cases of TB and the (then new) NHS launched a 'mass radiography' programme, sending dozens of mobile chest X-Ray screening vans out to hotspots (e.g. industrial towns) to locate cases before people developed symptoms. The X-Ray machines needed a 30A single-phase supply for which they re-purposed diesel generators from redundant Type 14 radar sets. These were actually 3-phase generators but rated to deliver full load on any one phase. They decommissioned the 3-phase outlets and partially rewired the control panels, and off they went around Britain.