In alt.engineering.electrical Don Murray wrote:

| What you have is an open delta. You can have a look at a wiring diagram
| of the bank of transformers at
|
| http://murrayranch.com/Electricity.htm
|
| Take a look at the diagram that is open wye-open delta. Don't concern
| yourself with the primary or open wye. But the secondary open delta is
| just what you have.

Not necessarily. He could have the Scott 4 wire.

--
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| Phil Howard KA9WGN | http://linuxhomepage.com/ http://ham.org/ |
| (first name) at ipal.net | http://phil.ipal.org/ http://ka9wgn.ham.org/ |
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