Three-Phase Transformer Tutorial

Thread Starter

Skinny141

Joined Dec 3, 2003
1
I'm working my way through the allaboutcircuits.com tutorial (nice job, by the way), and I've come across a little snag. In the 3-phase transformer section:
Three-phase transformer circuits
for the Y-Y configuration, why is A connected to C and vice versa while B is connected to B? Wouldn't this wiring configuration reverse the phase rotation of the secondary circuit? Shouldn't A be connected to A and C be connected to C or at least keep the cross connections in the same order to keep the same phase rotation? Perhaps I have a basic misunderstanding of the underlying concepts. All I know about electrical circuits comes from this tutorial and one college circuits class (15+ years ago).

Thanks in advance,
Jeff
 

t_n_k

Joined Mar 6, 2009
5,448
I can't see the connection issue for Y-Y you refer to in the link you provided.....
 
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