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Using Transformers in Electrical Engineering

written by: Mike Aguilar • edited by: Lamar Stonecypher • updated: 10/5/2011

Transformers are among the most common of electrical devices found in power plants, substations, electrical, and electronic equipment. Just about every electrical device makes use of transformers in one way or another. This guide will help you understand how they work and are used.


  • Utility substation transformer image courtesy wikimedia commons

  • Printed circuit and 3-phase auto-transformer images provided by author. All rights reserved.
  • Power pole transformer image courtesy wikimedia commons.