Quote Originally Posted by Justloadit View Post
Just to add into the mix here, what if the winding A-B was inverted, in other words when the transformer was wound, they used 2 secondaries, and then made a connection for the centre?

Would you measure 5V between A-B and B-C?

Now what would the voltage be between A-C - 10V or 0V?
Then you would have a V-O-V transformer and it would apply the same as the generators.

110V - 0V - 110V (A - B - C)

A-C would be 220V