When alternating current (AC) prevailed over direct current (DC) in the late 1800s, one of the deciding factors was the need for voltage levels to be raised and lowered throughout the power system to ...

Transformers are a vital link in the power transmission and distribution chain Around 130 years ago a technical revolution took place that was to be a vital step in the development of modern society.

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.

Editor’s note: I am pleased to bring you this excellent tutorial by Steve Subiry, Global Products Manager for Magnetics at Eaton. Enjoy. Magnetics are essential components in power topologies but they ...

IN a work coming to us from one of the principal technical colleges in the United States, and on a subject which has been occupying the attention of electrical engineers for at least fourteen years, ...