The article in the March 3 issue of The News dealt with the secondary windings of a Delta service transformer with one winding center-tapped to the ground. The article stated that the power-leg or ...

In power distribution systems, three-phase transformer configuration directly impacts system reliability and load management. Understanding the trade-offs between Delta and Wye connections enables ...

Wye or “star” service transformers are one and the same. The names come from the secondary winding configuration, which looks like a “Y” or three-sided star (Figure 1). For the remainder of this ...

Distribution transformers are pole-type transformers that supply relatively small amounts of power to residences. They are used at the end of an electrical utility’s delivery system. Both single-phase ...

It seems that no matter how many times our experts address the topic of triplen, there's always another facet of this disruptive harmonic current to be discussed. This month, Editorial Director John ...