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Method and apparatus for controlling LCL converters using asymmetric voltage cancellation techniques

United States Patent

January 26, 2016
View the Complete Patent at the US Patent & Trademark Office
A method and apparatus for LCL resonant converter control utilizing Asymmetric Voltage Cancellation is described. The methods to determine the optimal trajectory of the control variables are discussed. Practical implementations of sensing load parameters are included. Simple PI, PID and fuzzy logic controllers are included with AVC for achieving good transient response characteristics with output current regulation.
Wu; Hunter (Logan, UT), Sealy; Kylee Devro (River Heights, UT), Sharp; Bryan Thomas (Cottonwood Heights, UT), Gilchrist; Aaron (Logan, UT)
13/ 642,925
March 12, 2012
GOVERNMENT SPONSORED RESEARCH This invention was made with government support under contract DE-EE0003114 awarded by the Department of Energy. The government has certain rights in the invention.