Search for high leg (27 hits) or 4-wire delta (4 hits) at this site.
Note that “Bø” {or sometimes Cø} can also be called Stinger / Red / Orange / Purple / Power / Wild / Bastard / High Leg
Read through Scott35’s 3 Phase Delta Transformer Schematics in Technical Reference Area of this board.
Also see: home.att.net/~benmiller/elecsys.htm
Utility availability of this service type is usually limited to small, remote overhead systems.
Other non-symmetrical 3ø configurations are the corner-grounded variety.
[This message has been edited by Bjarney (edited 07-27-2002).]