One of the more popular electrical services that is supplied to medium-size commercial buildings is the Wye or Star configuration. The name comes from the transformer’s secondary winding configuration ...

One of the more popular three-phase electrical services supplied to medium-size commercial buildings is the Wye or Star configuration transformer. The name comes from the transformer’s secondary ...

Wye/delta grounding transformers can be connected directly to the bus/line or may be protected by fuses (Figure 1). When protected with fuses, it is important to coordinate the fuse minimum melt-time ...

Many older industrial facilities use single-phase, oil-filled transformers made for pole-mounting but installed at ground level to create 3-phase power distribution systems. Usually, primary and ...

The inaugural Data Center POWER eXchange brought the data center power ecosystem together in Denver for a focused, one-day summit on the infrastructure shaping the future of digital growth. From site ...

We have a number of recognized transmission and distribution experts serving on our board of "Grid Masters." Several times each month we’ll post what we judge to be the toughest questions that also ...