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Table of Contents


Knowledge and Choices.

Electricity as Fuel, Why 3-phase is Better Power

Getting over culture shock and up the learning curve.

Electrical Slight-of-Hand?

Producing the "Third Leg;" Prying 3-phase out of your utility company.

Producing the "Third Leg:" Static, or Capacitor Method

Static Converters and their limited applicability; Some means to enhanced performance; Concluding summary on the device.

Dynamic or Rotary/Capacitor Phase Converters

Recommended construction; How they work.

Balanced Voltages

Ways this is achieved, and some mistakes to avoid.

Converter Voltages and Small-Motor Operation

"Minimum loads" on rotary converters; How to shift power to the biggest load.

Automatic Voltage Regulation

Needed, but how broad is the applicability? Some major pitfalls.

Re-Defining Converter Design: The High-Resistance Rotor

Re-thinking a dinosaur deign: What do a race car and a rotor have in common; Litmus tests; dishonest latecomers to the industry; Newer technology

Summary and Concluding Advice

Application of Phase Converters

Overview & help in selection: Motor loads; CNC and voltage-sensitive equipment.

Specialized Machines

Making sure Computerized Machine Tools (CNC) have the right kind of power.

Supply Voltage

Getting precise voltage to your machine; Buck/boost transformers


1. How Wild is the "Wild Leg?"

2. Perfect 3-phase From a Single-Phase Line.

Notes about the Phase Conversion Method:

A focus on performance.

A Note from the Writer

Meet the guy who wrote the book.