Winnie
"The whole point of saying "2x1560VA being supplied by the transformer, yet only 2704W being delivered to the load" is an explicit example that phase angle differences are present in this system and must be accounted for using vector math."
This is absoultly not true. The reason the is 2704 watts deleiverd is because of the vector addition at the transformer terminals. The transformer only delivers 2704 watts.
"Clearly, 13A is flowing through leg A transformer coil, and 13A is flowing through the leg B transformer coil. Thus the heating experienced by the _transformer_ is what one would expect from having 1560VA per phase supplied by that transformer. But the power being delivered to the load is only 2704W, and the _difference_ between 3120VA and 2704W is explicitly caused by phase angle differences."
Absoultly not true. There is no 3120 watts.
The transformer delivers 2704 watts.
This is my last post on this subject.
Winnie you have just enough information to get it all wrong. Except the fact that you "MIGHT" be wrong and get with an engineer in your area. He has the math backgroung to explain how this works. Just check. No need to continue the rest of your life being wrong.
[This message has been edited by Bob (edited 03-12-2006).]
