If it's a true three phase system, it should have a third rail that will zap if you if you touch it and and ground. It's 3x zap and a ground, where two of the electrified lines are overhead and one ...

One of the hidden complications of upgrading grain drying and handling systems is providing enough electricity to power the new larger electric motors. Electric motors that are larger than 15 hp ...

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 ...

Elsco Transformers reports that choosing the right transformer size involves calculating kVA based on voltage and current for efficient operations.

In the original version of this article, the second figure contained an error. The image has been updated. It’s important for engineers to have a good, working ...

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 ...