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Methods, systems and apparatus for approximation of peak summed fundamental and third harmonic voltages in a multi-phase machine

United States Patent

July 31, 2012
View the Complete Patent at the US Patent & Trademark Office
Methods, system and apparatus are provided for quickly approximating a peak summed magnitude (A) of a phase voltage (Vph) waveform in a multi-phase system that implements third harmonic injection.
Ransom; Ray M. (Big Bear City, CA), Gallegos-Lopez; Gabriel (Torrance, CA), Kinoshita; Michael H. (Redondo Beach, CA)
GM Global Technology Operations LLC (Detroit, MI)
12/ 720,393
March 9, 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.