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Systems and methods for commutating inductor current using a matrix converter

United States Patent

October 16, 2012
View the Complete Patent at the US Patent & Trademark Office
Systems and methods are provided for delivering current using a matrix converter in a vehicle. An electrical system comprises an AC interface, a first conversion module coupled to the AC interface, an inductive element coupled between the AC interface and the first conversion module, and a control module coupled to the first conversion module. The control module is configured to operate the first conversion module in a bidirectional operating mode to commutate current bidirectionally. When a magnitude of the current through the inductive element is greater than a first threshold value, the control module operates the conversion module in a unidirectional operating mode, wherein current is commutated unidirectionally.
Ransom; Ray M. (Big Bear City, CA), Kajouke; Lateef A. (San Pedro, CA), Perisic; Milun (Torrance, CA)
GM Global Technology Operations LLC (Detroit, MI)
12/ 622,088
November 19, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Agreement No. DE-FC26-07NT43123, awarded by the United States Department of Energy. The Government has certain rights in this invention.