Table of Contents

Terminology. Nomenclature. Basic Alternating Current Concepts. Why Three-Phase? Useful Instruments to Have. Identifying What Equipment You Have. Steinmatz Connection. Phase Converters. Use of a Motor-Generator Supply. Electronic Variable Speed Drives. Wiring Motor Starters and Overloads. Winding Autotransformers. Heaters. The Mathematics of Three-Phase. Notes for Non-European Supplies. Copper Wire Tables. Answers to your Questions.

Graham Astbury is a Chartered Engineer, who has recently retired after a career providing expert advice on process safety in the chemical industry. With a lifelong interest in both electrical engineering and model engineering, he started re-winding motors and transformers whilst still at school, and has spent the last few years researching into phase conversion methods for his own workshop.

About the Author

Graham Astbury graduated from the University of Birmingham and is a Chartered Engineer, who has recently retired after a career in the chemical industry providing expertise on the prevention of fires and explosions. With a lifelong interest in both model and electrical engineering, he started re-winding motors and transformers whilst still at school, and has spent the last few years researching into phase conversion methods for his own workshop.