Chipmunk,

As you'll know, in the U.K. we don't distribute a neutral on HV lines at all, so transformer primaries are always connected phase-to-phase.

I don't know how long you've been out of Britain, but the circular types have started to make an appearance over here now:

[Linked Image]

Link: Unusual transformer



[This message has been edited by pauluk (edited 07-21-2004).]