The Rotary Converter is designed to supply full running current to a three-phase motor normally providing it with full running torque.
http://www.phase-a-matic.com/RotaryApplicationNotes.htm
one way to generate 3 phase power from single phase supply to run three phase electrical motor
http://www.team.net/www/shop-talk/hm3phase.html
use one phase power to run three phase motor
http://home.att.net/~waterfront-woods/Articles/phaseconverter.htm