In my July 2014 column, I demonstrated that three-phase voltage variation can significantly affect several alternating current (AC) motor characteristics. If that variation is large, it can also...
Why Wye? Why Delta?
Last of Three Parts
Why Wye? Why Delta?
First of Three PartsOne of the more confusing elements of three-phase power is the winding connection schemes for inductive devices such as transformers and motors. Although most of us with a basic...