Thank you for visiting one of our most popular classic articles. If you’d like to see updated information on this topic, please check out this recently published article, Transformer Calculations.

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

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 ...

Last month's Code Calculations article covered transformer calculation definitions and some specifics of delta transformer calculations. This month we turn our attention to the differences between ...

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 ...

A typical Hydro-Québec substation showing only one of the installed grid transformers. Hydro-Québec has more than 2,000 grid and GSU transformers with an average age of more than 30 years in operation ...