Basic Transformers

Introduction The Reason and Use of Transformers A transformer is a device that raises or lowers voltage and is used mostly with alternating current, or ac. A transformer has no moving parts, is simple, rugged, durable, and can be up to ninety-nine percent efficient. Cities use a large amount of power, and power is based on the amount of current in electricity. A transformer works by changing the amount of voltage and current of electricity. …

…large that the average person would never be able to afford it. (Nadon 1999) Types of Iron/Steel and Air Coreand Their Efficiancy Iron/Steel Core Type Average Efficiancy AirCore type Average Efficiancy Shell-type 80-90% Air core 0-50% H-type 99-100% Wound core-type 90-100% (Schuler 1999) Works Cited Schuler, Charles A., et al. Electronics Principles and Applications. New York: Glencoe/McGraw-Hill., 1999 Nadon, John M. Industrial Electricity. Albany: Delmar Publishers., 1999 “Transformers.” Electrical Shack. January 1999 http://www.geocities.com/siliconvalley/3424/