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SYSTEMS AND METHODS FOR INITIALIZING A CHARGING SYSTEM

United States Patent Application

*** PATENT GRANTED ***
20140354241
9,770,991
A1
View the Complete Application at the US Patent & Trademark Office
Systems and methods are provided for charging a battery. The system, for example, includes, but is not limited to a first interface configured to receive a voltage from an AC voltage source, a matrix conversion module comprising a plurality of switches electrically connected to the first interface and configured to provide a charging voltage to the battery, and a controller communicatively connected to the matrix conversion module, wherein the controller is configured to: determine a voltage of the battery, determine an angle of the AC voltage source to initiate charging of the battery based upon the voltage of the battery, and control the plurality of switches to provide the charging voltage to the battery between the determined angle of the AC voltage source and a subsequent zero-crossing of the AC voltage source.
PERISIC, MILUN (CYPRESS, CA), RANSONM, RAY M. (BIG BEAR CITY, CA), KOJOUKE, LATEEF A. (SAN PEDRO, CA)
13/ 907,703
May 31, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] 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.