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Methods, systems and apparatus for overmodulation of a five-phase machine

United States Patent

December 25, 2012
View the Complete Patent at the US Patent & Trademark Office
Methods, system and apparatus are provided for overmodulation of a five-phase machine in a vector controlled motor drive system that includes a five-phase PWM controlled inverter module that drives the five-phase machine. Techniques for overmodulating a reference voltage vector are provided to optimize voltage command signals that control a five-phase inverter module to increase output voltages generated by the five-phase inverter module.
Perisic; Milun (Torrance, CA), Hiti; Silva (Redondo Beach, CA), Gallegos-Lopez; Gabriel (Torrance, CA)
GM Global Technology Operations LLC (Detroit, MI)
12/ 722,166
March 11, 2010
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under DE-FC26-07NT43123, awarded by the US-Department of Energy. The Government has certain rights in this invention.