The Valley's power worries finally cooled off Monday. A 400,000-pound replacement transformer that took a rough-and-tumble trip to its new home was put into service, ending the threat of rolling ...

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 ...

Follow these basic steps to select the best transformer for each phase of your next project. Suppose you've got the job of designing the power distribution for an entire building. At some point, ...

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 ...

A transformer malfunction at Los Angeles International Airport interrupted some electrical service on the remote west end of the airfield today and delayed one departing flight, authorities said.